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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 €19,799 EUR
$22,120 USD
As of October 31, 2026
Save €31,660 EUR (62%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €51,459 EUR 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 €19,799 to €51,459, a €31,660 spread on the same certified stone. Yorxs lists it at €51,459. 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: €42,186 EUR|Low: €19,799 EUR|High: €84,609 EUR|Avg: €37,199 EUR|-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€19,799 EUR
Retailer 6€19,987 EUR
Retailer 12€20,956 EUR
Retailer 9€22,280 EUR
Retailer 8€26,221 EUR
Retailer 4€28,311 EUR
Retailer 5€32,777 EUR
Retailer 7€33,888 EUR
Retailer 10€34,355 EUR
Retailer 1€42,186 EUR
Yorxs€51,459 EUR
Retailer 3€65,647 EUR
Retailer 11€84,609 EUR

22 data points across 13 retailers

12 retailers€19,799 EUR to €51,459 EUR

B+
Cheapest Retailer
-
€19,799 EUR
$22,120 USD
B+
Retailer 2
-
€19,987 EUR
$22,330 USD
View
B+
Retailer 3
-
€22,280 EUR
$24,891 USD
View
B+
Retailer 4
-
€26,221 EUR
$29,294 USD
View
B+
Retailer 5
-
€32,777 EUR
£28,833 GBP
View
B+
Retailer 6
-
€33,888 EUR
$37,860 USD
View
B
Retailer 7
-
€34,355 EUR
$38,382 USD
View
Retailer 8
-
€36,654 EUR
$40,950 USD
View
Price last confirmed 32 days ago
B
Retailer 9
-
€42,186 EUR
£37,111 GBP
View
Most Expensive
B
Yorxs
528330983 · Oct 31
€51,459 EUR
View
9 more retailers have this diamond
Prices start from €19,799 EURSave up to €31,660 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+
6.51ct Oval
€19,799 EUR