Every guide below is built on the live Legacy catalogue: real price ranges, real pieces. Begin with the question you actually have.

The Carat Price Ladder

• How Much Does a 3 Carat Diamond Ring Cost? The 2026 Price Guide
  A 3 carat diamond ring ranges from $5,699 to $2,450,000, median $59,500, in Legacy's collection. Colour, clarity and cut set the price.
• 4 Carat Diamond Ring Prices: What Collectors Actually Pay
  A 4 carat diamond ring runs from $4,500 to $750,000, median $99,250, in Legacy's current collection. Colour and clarity set the price.
• The 5 Carat Diamond Ring: Price, Rarity and What to Look For
  A 5 carat diamond ring costs $3,499 to $3,500,000, with a median of $155,000, in Legacy's current collection. See what drives the price.
• 7 Carat Diamond Rings: A Price and Buying Guide for Serious Collectors
  A 7 carat diamond ring runs $13,500 to $5,500,000, median $295,000, in Legacy's collection. See why price per carat accelerates here.
• 9 Carat Diamond Ring Price: What They Cost in 2026
  A 9 carat diamond ring costs $150,000 to $1.1 million, median $435,000. The quiet buy one step below the ten carat mark.
• 10 Carat Diamond Ring Price: What They Cost in 2026
  A 10 carat diamond ring costs roughly $125,000 to $6.5 million, median $495,000. Cut, colour and clarity set the price, not weight alone.
• 15 Carat Diamond Ring Price: Cost, Provenance and Acquisition
  15-carat-plus diamonds range from about $4,500 to $4.65 million, median $995,000. At this size, acquisition is by private appointment, not add-to-cart.
• 20 Carat Diamond Ring Price: What They Cost in 2026
  A 20 carat diamond ring runs from roughly $311,200 to $2.5 million, median $1,950,000. At this weight the stone is the entire proposition.
• Diamond Necklace Prices at 50, 75 and 100 Carats
  High-carat diamond necklaces run from about $25,000 to $5.5 million, median $225,000. Matching, not total weight, sets the price.
• 1 to 2 Carat Diamond Rings: Where the Value Really Sits
  1 to 2 carat diamond rings run from $1,799 to $995,000, with a median of $14,500. At this size, cut and colour reward the eye more than clarity grade alone.

Diamond Shapes

• The Emerald Cut Diamond: A Collector's Buying Guide
  Emerald cut diamonds range from $11,999 to $2 million, median $175,000. The step cut shows inclusions openly, so clarity matters more than in any other shape.
• Oval Diamonds: The Complete Buying Guide
  Legacy's oval diamond rings run from $2,399 to $4.5 million; the median is $104,999. Here is what determines spread, bow-tie and price.
• Radiant Cut Diamonds: Brilliance in a Cornered Silhouette
  Legacy's radiant diamonds run $3,450 to $4.5 million, median $155,000. Why crushed-ice brilliance and cropped corners suit fancy yellow especially well.
• Cushion Cut Diamonds: The Buying Guide
  Legacy's cushion cut diamond rings run $5,950 to $4.65 million, median $99,500. Pillow softness, antique lineage, and chunky versus crushed-ice facets.
• Asscher Cut Diamonds: Prices, the Windmill Pattern and How to Buy
  Legacy's Asscher cut diamond rings run $1,999 to $4.5 million, median $165,000. Art Deco geometry, windmill facets, and how Asscher differs from emerald cut.
• Pear Diamonds: The Buying Guide
  Legacy's pear diamond rings span $2,000 to $6.5 million, median $245,000. Here is what governs a pear's price and how it wears on the hand.
• Which Diamond Shape Looks Biggest Per Carat?
  Elongated shapes like oval, pear and marquise show more face-up area per carat than round or cushion cuts. Here is the science, and Legacy's price data.

Colour & Gemstones

• Fancy Yellow Diamonds: The Buying Guide
  Legacy's fancy yellow diamonds run from $4,500 to $4.5 million, median $155,000. Here is how the hue, tone and saturation ladder actually sets the price.
• Fancy Pink Diamonds: Rarity, Price and How to Buy
  Legacy's fancy pink diamonds run from $6,500 to $6.5 million, median $450,000, nearly triple fancy yellow's median. Here is what drives that premium.
• Royal Blue Sapphires: The Collector's Buying Guide
  Legacy's sapphire collection runs from $2,000 to $1.85 million; the median is $79,000. What separates true royal blue from cornflower blue.
• Rubies: A Buying Guide for the Serious Collector
  Legacy's ruby collection runs $6,400 to $3.4 million, median $75,000. What pigeon-blood means, and why fine rubies now outprice diamonds.
• Emeralds: The Buying Guide
  Legacy's emerald collection runs from $1,999 to $3.85 million; the median is $95,000. What jardin means, and honest oil treatment explained.

Trust & Process

• Buying High-Value Diamonds Online: How Serious Buyers Do It Safely
  Legacy's 10-14.99 carat rings span $9,999 to $6.5 million. The certification, viewing and logistics checks serious buyers run first.
• Certification on Request: Why Serious Houses Let the Buyer Choose the Laboratory
  Legacy holds stones uncertified until purchase, so the client selects GIA, IGI or HRD directly. Here is how certification on request works and why it matters.
• How to Verify a Diamond Certificate (GIA, IGI, HRD)
  Verify a diamond certificate in three steps: match the report number on the lab's own database, check the laser inscription, and compare stated proportions.
• Why Two Diamonds of the Same Carat Can Differ Ten-Fold in Price
  Legacy's 5ct rings span $3,499 to $3.5 million at the same carat weight. Colour, clarity, cut and fluorescence explain the spread — here is how each counts.
• Suggesting a Price on Fine Jewellery: How Private Offers Work
  Legacy lists one real public price on every piece; clients may privately suggest a price through a consultation. Here is how that private offer process works.

Necklaces, Bracelets & Bands

• The Tennis Necklace: Total Carat Weight, Prices and Proportions
  Legacy's tennis necklace collection runs from $5,999 to $2,225,000, median $225,000. Here is how total carat weight sets the price.
• The Tennis Bracelet: A Buying Guide
  Legacy's tennis bracelets run $25,000 to $400,000, median $95,000. A guide to stone matching, prong versus bezel, and wrist proportions.
• Eternity Rings: Full, Half and How to Choose
  Legacy's eternity rings run $4,500 to $225,000, median $14,749. Here is the honest difference between full and half eternity, and sizing.
• The Rivière Necklace: Graduated Diamonds Explained
  Legacy's rivière necklaces run $15,000 to $1,300,000, median $75,000. Here is how graduated diamond sizing differs from a tennis necklace.
• Diamond Bracelets Beyond the Tennis Line: Formats, Prices, Fit
  Legacy's bracelets run $2,500 to $3.25 million, median $59,500. Line, architectural, rigid and convertible formats compared with real prices.

Earrings & Brooches

• Diamond Earrings: Studs, Drops and the Matched-Pair Premium
  Legacy's earrings run from under $25,000 to $9.99 million, median $68,500. Total weight per pair, matched-pair premiums and per-ear size explained.
• Collecting Diamond Brooches: The Most Undervalued Object in Fine Jewelry
  Legacy's brooches run $5,500 to $1.56 million, median $29,500. Double-clip mechanics, convertibles, pin work and why brooches reward collectors now.

Investment & Certification Deep Dives

• How to Invest in Diamonds: The Definitive Guide
  Which stones hold value, how pricing works, and how collectors structure acquisitions.
• Fancy Colour Diamonds: The Complete Investment Guide
  Rarity, auction track record, and what drives appreciation.
• GIA vs IGI vs HRD: The Diamond Certification Guide
  The three major laboratories compared for serious buyers.

Prefer to talk it through? Book a private consultation with a Legacy gemologist, in person or by live video.