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Round|Lab Grown|IGI

6.64ct G VS1 Round Lab Grown Diamond

EX • G/VS1 • IGI LG629436970

Shape and cutting style on the report: Round brilliant

Certificate IGI LG629436970

Diamond specifications and retailer prices

From $1,042 USD
As of October 29, 2026
Save $2,710 USD (72%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $3,752 USD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 6.64ct lab-grown round diamond

This 6.64ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG629436970 or 629436970. Listed at 20 retailers as of October 29, 2026, with prices from $1,042 to $3,752, a $2,710 spread on the same certified stone. Taylor and Hart lists it at $3,752. 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

6.64
Carat
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.8°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG629436970
Dimensions12.27 × 12.21 × 7.26 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
12.27 mm12.21 mm6.64 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG629436970
Side View
Table 61.0%Crown 31.8°Girdle: MediumPavilion 41.2°Culet: NoneDepth 59.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,642 USD|Low: $1,042 USD|High: $3,702 USD|Avg: $2,100 USD|+2.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 2$1,042 USD
Retailer 13$1,079 USD
Retailer 7$1,255 USD
Retailer 3$1,568 USD
Retailer 1$1,642 USD
Retailer 12$1,728 USD
Retailer 6$1,999 USD
Retailer 8$2,087 USD
Retailer 10$2,400 USD
Retailer 5$2,856 USD
Retailer 4$2,972 USD
Retailer 11$3,374 USD
Retailer 9$3,664 USD

39 data points across 13 retailers

20 retailers$1,042 USD to $3,752 USD

Retailer 1
-
$893 USD
Price last confirmed 29 days ago
Retailer 2
-
$930 USD
View
Price last confirmed 32 days ago
Retailer 3
-
$1,012 USD
View
Price last confirmed 37 days ago
A
Retailer 4
-
$1,042 USD
View
Final sale: no returns
Retailer 5
-
$1,064 USD
View
Price last confirmed 33 days ago
Retailer 6
-
$1,079 USD
View
Price last confirmed 28 days ago
A
Retailer 7
-
$1,255 USD
View
A
Retailer 8
-
$1,568 USD
View
A
Retailer 9
-
$1,642 USD
£1,293 GBP
View
B+
Retailer 10
-
$1,728 USD
View
B+
Retailer 11
-
$1,999 USD
A$3,075 AUD
View
B+
Retailer 12
-
$2,087 USD
ZAR 33,722 ZAR
View
B+
Retailer 13
-
$2,400 USD
View
B+
Retailer 14
-
$2,856 USD
View
B+
Retailer 15
-
$2,972 USD
£2,340 GBP
View
Retailer 16
-
$3,033 USD
View
Price last confirmed 31 days ago
Retailer 17
-
$3,033 USD
View
Price last confirmed 34 days ago
B
Retailer 18
-
$3,374 USD
View
B
Retailer 19
-
$3,664 USD
£2,885 GBP
View
Most Expensive
B
Taylor and Hart
YMSQ2YM · Oct 30
$3,752 USD
View
19 more retailers have this diamond
Prices start from $1,042 USDSave up to $2,710 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.

A
6.64ct Round
$1,042 USD