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Round|Lab Grown|GIA

5.09ct D FL Round Lab Grown Diamond

EX • D/FL • GIA 2526568503

Certificate GIA 2526568503

Diamond specifications and retailer prices

From €33,737 EUR
$37,691 USD
As of October 31, 2026
Save €2,643 EUR (7%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €36,380 EUR at William & Sons Jewelers · As of October 31, 2026
View at William & Sons Jewelers

About this 5.09ct lab-grown round diamond

This 5.09ct lab-grown round sits in the over five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 2526568503. Listed at 15 retailers as of October 31, 2026, with a relatively tight 8% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

5.09
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabGIA
CertificateGIA 2526568503
Dimensions11.11 × 11.05 × 6.80 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
11.11 mm11.05 mm5.09 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2526568503
Side View
Table 57.0%Crown 34.5°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.3%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €70,679 EUR|Low: €18,517 EUR|High: €237,467 EUR|Avg: €63,337 EUR|+3.0%
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
Retailer 14
Retailer 15
Retailer 16
William & Sons Jewelers
October 31, 2026
Retailer 7€18,517 EUR
Retailer 8€21,869 EUR
Retailer 6€29,666 EUR
Retailer 14€31,354 EUR
Retailer 5€33,737 EUR
Retailer 10€34,269 EUR
Retailer 12€35,179 EUR
Retailer 13€36,081 EUR
William & Sons Jewelers€36,380 EUR
Retailer 9€48,095 EUR
Retailer 2€61,487 EUR
Retailer 1€70,679 EUR
Retailer 4€70,679 EUR
Retailer 15€84,172 EUR
Retailer 16€132,756 EUR
Retailer 11€137,898 EUR
Retailer 3€156,805 EUR

28 data points across 17 retailers

15 retailers€33,737 EUR to €36,380 EUR

Retailer 1
-
€18,517 EUR
$20,687 USD
Price last confirmed 111 days ago
Retailer 2
-
€31,354 EUR
£27,582 GBP
View
Price last confirmed 30 days ago
Retailer 3
-
€32,482 EUR
$36,289 USD
View
Price last confirmed 41 days ago
Retailer 4
-
€32,482 EUR
$36,289 USD
View
Price last confirmed 40 days ago
B
Retailer 5
-
€33,737 EUR
$37,691 USD
View
B
Retailer 6
-
€34,269 EUR
$38,285 USD
View
B
Retailer 7
-
€35,179 EUR
$39,302 USD
View
B+
Retailer 8
-
€36,081 EUR
$40,310 USD
View
Most Expensive
B
William & Sons Jewelers
cert_2526568503 · Oct 31
€36,380 EUR
$40,644 USD
View
Final sale: no returns
8 more retailers have this diamond
Prices start from €33,737 EURSave up to €2,643 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.

B+
5.09ct Round
€33,737 EUR