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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 $28,278 SGD
$22,120 USD
As of October 31, 2026
Save $45,218 SGD (62%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $73,496 SGD 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 $28,278 to $73,496, a $45,218 spread on the same certified stone. Yorxs lists it at $73,496. 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
Colour
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: $59,932 SGD|Low: $28,278 SGD|High: $120,841 SGD|Avg: $53,123 SGD|-1.2%
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
November 1, 2026
Retailer 2$28,278 SGD
Retailer 6$28,547 SGD
Retailer 12$29,930 SGD
Retailer 9$31,821 SGD
Retailer 8$37,449 SGD
Retailer 4$40,434 SGD
Retailer 5$46,813 SGD
Retailer 7$48,400 SGD
Retailer 10$49,068 SGD
Retailer 1$59,932 SGD
Yorxs$73,496 SGD
Retailer 3$93,759 SGD
Retailer 11$120,841 SGD

23 data points across 13 retailers

12 retailers$28,278 SGD to $73,496 SGD

B+
Cheapest Retailer
-
$28,278 SGD
$22,120 USD
B+
Retailer 2
-
$28,547 SGD
$22,330 USD
View
B+
Retailer 3
-
$31,821 SGD
$24,891 USD
View
B+
Retailer 4
-
$37,449 SGD
$29,294 USD
View
Retailer 5
-
$46,813 SGD
£28,833 GBP
View
Price last confirmed 7 days ago
B+
Retailer 6
-
$48,400 SGD
$37,860 USD
View
B
Retailer 7
-
$49,068 SGD
$38,382 USD
View
Retailer 8
-
$52,350 SGD
$40,950 USD
View
Price last confirmed 33 days ago
B
Retailer 9
-
$59,932 SGD
£36,914 GBP
View
Most Expensive
B
Yorxs
528330983 · Oct 31
$73,496 SGD
€54,753 EUR
View
9 more retailers have this diamond
Prices start from $28,278 SGDSave up to $45,218 SGD

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
$28,278 SGD