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Oval|Lab Grown|IGI

6.51ct D FL Oval Lab Grown Diamond

ID • D/FL • IGI LG787620658

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG787620658

Diamond specifications and retailer prices

From $22,120 USD
As of October 31, 2026
Save $35,371 USD (62%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $57,491 USD at Yorxs · As of October 31, 2026
View at Yorxs

About this 6.51ct lab-grown oval diamond

This 6.51ct lab-grown oval 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 IGI LG787620658 or 787620658. Listed at 12 retailers as of October 31, 2026, with prices from $22,120 to $57,491, a $35,371 spread on the same certified stone. Yorxs lists it at $57,491. 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

6.51
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787620658
Dimensions15.17 × 10.46 × 6.53 mm
L/W Ratio1.45
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
15.17 mm10.46 mm6.51 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787620658
Side View
Table 57.0%Crown 37.1°Girdle: MED-STKPavilion 39.2°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $47,131 USD|Low: $22,120 USD|High: $94,525 USD|Avg: $41,559 USD|-0.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Yorxs
October 31, 2026
Retailer 2$22,120 USD
Retailer 6$22,330 USD
Retailer 12$23,412 USD
Retailer 9$24,891 USD
Retailer 8$29,294 USD
Retailer 4$31,629 USD
Retailer 5$36,618 USD
Retailer 7$37,860 USD
Retailer 10$38,382 USD
Retailer 1$47,131 USD
Yorxs$57,491 USD
Retailer 3$73,341 USD
Retailer 11$94,525 USD

22 data points across 13 retailers

12 retailers$22,120 USD to $57,491 USD

B+
Cheapest Retailer
-
$22,120 USD
B+
Retailer 2
-
$22,330 USD
View
B+
Retailer 3
-
$24,891 USD
View
B+
Retailer 4
-
$29,294 USD
View
B+
Retailer 5
-
$36,618 USD
£28,833 GBP
View
B+
Retailer 6
-
$37,860 USD
View
B
Retailer 7
-
$38,382 USD
View
Retailer 8
-
$40,950 USD
View
Price last confirmed 32 days ago
B
Retailer 9
-
$47,131 USD
£37,111 GBP
View
Most Expensive
B
Yorxs
528330983 · Oct 31
$57,491 USD
€54,753 EUR
View
9 more retailers have this diamond
Prices start from $22,120 USDSave up to $35,371 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+
6.51ct Oval
$22,120 USD