Round|Lab Grown|GIA

5.51ct E IF Round Lab Grown Diamond

EX • E/IF • GIA 3515142642

Certificate GIA 3515142642

Diamond specifications and retailer prices

From €12,438 EUR

As of November 4, 2026

Save €32,965 EUR (73%) vs most expensive(unlock to see where)

16 retailers carry this diamond

Most expensive: €45,403 EUR at Taylor and Hart · As of October 31, 2026

View at Taylor and Hart

About this 5.51ct lab-grown round diamond

This 5.51ct lab-grown round sits in the over five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 3515142642. Listed at 16 retailers as of October 31, 2026, with prices from €12,438 to €45,403, a €32,965 spread on the same certified stone. Taylor and Hart lists it at €45,403. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

5.51

Carat

Colour

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35°

Pavilion angle40.8°

OriginLab Grown

Grading LabGIA

CertificateGIA 3515142642

Dimensions11.37 × 11.35 × 6.96 mm

L/W Ratio1.00

Star length50%

Lower girdle80%

View GIA Report →View Loupe360 Video →

Top View

OriginLab Grown

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateGIA 3515142642

Side View

Caratlytics Score

How it works →

Excellent

Excellent quality and great value

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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4

Current: €30,193 EUR|Low: €12,156 EUR|High: €118,486 EUR|Avg: €33,223 EUR|-5.6%

Retailer 1

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

Retailer 13

Taylor and Hart

November 6, 2026

Retailer 8€12,438 EUR

Retailer 10€14,703 EUR

Retailer 13€15,056 EUR

Retailer 2€15,208 EUR

Retailer 5€16,194 EUR

Retailer 3€17,055 EUR

Retailer 11€17,644 EUR

Retailer 9€25,446 EUR

Retailer 7€28,822 EUR

Retailer 1€30,193 EUR

Retailer 6€43,803 EUR

Taylor and Hart€45,403 EUR

Retailer 12€65,868 EUR

Retailer 4€118,486 EUR

31 data points across 14 retailers

16 retailers€12,438 EUR to €45,403 EUR

Cheapest Retailer

€12,438 EUR

Retailer 2

€14,703 EUR

View

B+

Retailer 3

€15,056 EUR

View

B+

Retailer 4

€15,208 EUR

View

B+

Retailer 5

€16,194 EUR

View

B+

Retailer 6

€17,055 EUR

View

Retailer 7

€17,055 EUR

View

Price last confirmed 21 days ago

B+

Retailer 8

€17,644 EUR

View

B+

Retailer 9

€20,976 EUR

View

B+

Retailer 10

€25,446 EUR

View

B+

Retailer 11

€28,822 EUR

View

B+

Retailer 12

€30,193 EUR

View

Retailer 13

€43,803 EUR

View

Most Expensive

Taylor and Hart

2OHVJ2C · Oct 31

€45,403 EUR

$50,960 USD

View

13 more retailers have this diamond

Prices start from €12,438 EURSave up to €32,965 EUR

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

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5.51ct Round

€12,438 EUR