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Round|Lab Grown|IGI

6.68ct D IF Round Lab Grown Diamond

EX • D/IF • IGI LG6234095527

Certificate IGI LG6234095527

Diamond specifications and retailer prices

From €32,321 EUR
$36,109 USD
As of November 1, 2026
2 retailers carry this diamond
Most expensive: €38,665 EUR at Moon Ocean · As of October 17, 2026
View at Moon Ocean

About this 6.68ct lab-grown round diamond

This 6.68ct lab-grown round sits in the over five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG6234095527 or 6234095527. Listed at 2 retailers as of November 1, 2026. 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

6.68
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG6234095527
Dimensions12.03 × 12.08 × 7.48 mm
L/W Ratio1.00
Star length45%
Lower girdle75%
Culet sizeNone
Cert comments
Minor details of polish are not shown. This is a man-made diamond produced by HPHT (High Pressure High Temperature) growth process. No evidence of treatment was detected
Top View
12.03 mm12.08 mm6.68 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG6234095527
Side View
Table 56.0%Crown 35°Girdle: MED-MEDPavilion 40.8°Culet: NoneDepth 62.0%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 1
Current: €38,665 EUR|Low: €31,492 EUR|High: €38,970 EUR|Avg: €35,448 EUR|+0.8%
Moon Ocean
Retailer 2
October 17, 2026
Retailer 2€32,321 EUR
Moon Ocean€38,665 EUR

20 data points across 2 retailers

2 retailers

B+
Cheapest Retailer
-
€32,321 EUR
$36,109 USD
Most Expensive
Moon Ocean
NVL-A7F781CB3-527 · Oct 17
€38,665 EUR
£34,013 GBP
View
Price last confirmed 15 days ago
1 more retailer has this diamond
Prices start from €32,321 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+
6.68ct Round
€32,321 EUR