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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 €19,867 EUR
$22,196 USD
As of October 31, 2026
Save €30,723 EUR (61%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €50,590 EUR 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 €19,867 to €50,590, a €30,723 spread on the same certified stone. Yorxs lists it at €50,590. 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: €41,479 EUR|Low: €18,205 EUR|High: €83,179 EUR|Avg: €36,657 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 12€19,867 EUR
Retailer 6€20,068 EUR
Retailer 2€20,602 EUR
Retailer 10€21,910 EUR
Retailer 8€25,782 EUR
Retailer 4€27,795 EUR
Retailer 5€32,224 EUR
Retailer 7€33,315 EUR
Retailer 9€33,780 EUR
Retailer 1€41,479 EUR
Yorxs€50,590 EUR
Retailer 3€64,753 EUR
Retailer 11€83,179 EUR

29 data points across 13 retailers

11 retailers€19,867 EUR to €50,590 EUR

B+
Cheapest Retailer
-
€19,867 EUR
$22,196 USD
B+
Retailer 2
-
€20,068 EUR
$22,420 USD
View
B+
Retailer 3
-
€21,910 EUR
$24,478 USD
View
B+
Retailer 4
-
€25,782 EUR
$28,804 USD
View
B+
Retailer 5
-
€32,224 EUR
£28,347 GBP
View
B+
Retailer 6
-
€33,315 EUR
$37,220 USD
View
B
Retailer 7
-
€33,780 EUR
$37,739 USD
View
B
Retailer 8
-
€41,479 EUR
£36,489 GBP
View
Most Expensive
B
Yorxs
527156209 · Oct 31
€50,590 EUR
View
8 more retailers have this diamond
Prices start from €19,867 EURSave up to €30,723 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+
6.40ct Oval
€19,867 EUR