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 $37,691 USD
As of October 31, 2026
Save $2,953 USD (7%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $40,644 USD at William & Sons Jewelers · As of October 29, 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 29, 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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Price History

Last verified: Oct 31
Current: $53,732 USD|Low: $20,687 USD|High: $265,300 USD|Avg: $70,969 USD|-4.7%
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
William & Sons Jewelers
October 29, 2026
Retailer 6$20,687 USD
Retailer 7$24,432 USD
Retailer 5$33,143 USD
Retailer 13$35,029 USD
Retailer 4$37,691 USD
Retailer 9$38,285 USD
Retailer 11$39,302 USD
Retailer 12$40,310 USD
William & Sons Jewelers$40,644 USD
Retailer 1$53,732 USD
Retailer 3$78,963 USD
Retailer 8$79,190 USD
Retailer 14$94,037 USD
Retailer 15$148,316 USD
Retailer 10$154,060 USD
Retailer 2$175,184 USD

27 data points across 16 retailers

15 retailers$37,691 USD to $40,644 USD

Retailer 1
-
$20,687 USD
Price last confirmed 110 days ago
Retailer 2
-
$35,029 USD
£27,582 GBP
View
Price last confirmed 29 days ago
Retailer 3
-
$36,289 USD
View
Price last confirmed 39 days ago
Retailer 4
-
$36,289 USD
View
Price last confirmed 39 days ago
B
Retailer 5
-
$37,691 USD
View
B
Retailer 6
-
$38,285 USD
View
B
Retailer 7
-
$39,302 USD
View
B+
Retailer 8
-
$40,310 USD
View
Most Expensive
B
William & Sons Jewelers
cert_2526568503 · Oct 29
$40,644 USD
View
Final sale: no returns
8 more retailers have this diamond
Prices start from $37,691 USDSave up to $2,953 USD

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
$37,691 USD