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Oval|Lab Grown|IGI

6.40ct D FL Oval Lab Grown Diamond

ID • D/FL • IGI LG768629380

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG768629380

Diamond specifications and retailer prices

From $22,196 USD
As of October 31, 2026
Save $34,323 USD (61%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $56,519 USD at Yorxs · As of October 31, 2026
View at Yorxs

About this 6.4ct lab-grown oval diamond

This 6.4ct 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 LG768629380 or 768629380. Listed at 11 retailers as of October 31, 2026, with prices from $22,196 to $56,519, a $34,323 spread on the same certified stone. Yorxs lists it at $56,519. 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

6.40
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768629380
Dimensions15.11 × 10.48 × 6.45 mm
L/W Ratio1.44
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
15.11 mm10.48 mm6.40 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768629380
Side View
Table 59.0%Crown 34.2°Girdle: STK-THKPavilion 39.9°Culet: NoneDepth 61.5%

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: $46,341 USD|Low: $20,338 USD|High: $92,928 USD|Avg: $40,954 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 12$22,196 USD
Retailer 6$22,420 USD
Retailer 2$23,016 USD
Retailer 10$24,478 USD
Retailer 8$28,804 USD
Retailer 4$31,053 USD
Retailer 5$36,001 USD
Retailer 7$37,220 USD
Retailer 9$37,739 USD
Retailer 1$46,341 USD
Yorxs$56,519 USD
Retailer 3$72,342 USD
Retailer 11$92,928 USD

29 data points across 13 retailers

11 retailers$22,196 USD to $56,519 USD

B+
Cheapest Retailer
-
$22,196 USD
B+
Retailer 2
-
$22,420 USD
View
B+
Retailer 3
-
$24,478 USD
View
B+
Retailer 4
-
$28,804 USD
View
B+
Retailer 5
-
$36,001 USD
£28,347 GBP
View
B+
Retailer 6
-
$37,220 USD
View
B
Retailer 7
-
$37,739 USD
View
B
Retailer 8
-
$46,341 USD
£36,489 GBP
View
Most Expensive
B
Yorxs
527156209 · Oct 31
$56,519 USD
€53,828 EUR
View
8 more retailers have this diamond
Prices start from $22,196 USDSave up to $34,323 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+
6.40ct Oval
$22,196 USD