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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 $1,852 NZD
$1,042 USD
As of November 1, 2026
Save $4,816 NZD (72%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $6,668 NZD at Taylor and Hart · As of October 31, 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 31, 2026, with prices from $1,852 to $6,668, a $4,816 spread on the same certified stone. Taylor and Hart lists it at $6,668. 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
Colour
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

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $6,503 NZD|Low: $1,852 NZD|High: $6,580 NZD|Avg: $3,745 NZD|-1.1%
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
November 1, 2026
Retailer 2$1,852 NZD
Retailer 13$1,918 NZD
Retailer 8$2,231 NZD
Retailer 3$2,787 NZD
Retailer 6$2,944 NZD
Retailer 12$3,071 NZD
Retailer 7$3,552 NZD
Retailer 9$3,710 NZD
Retailer 10$4,266 NZD
Retailer 5$5,076 NZD
Retailer 4$5,282 NZD
Retailer 11$5,997 NZD
Retailer 1$6,503 NZD

38 data points across 13 retailers

20 retailers$1,852 NZD to $6,668 NZD

Retailer 1
-
$1,587 NZD
$893 USD
Price last confirmed 31 days ago
Retailer 2
-
$1,653 NZD
$930 USD
View
Price last confirmed 34 days ago
Retailer 3
-
$1,799 NZD
$1,012 USD
View
Price last confirmed 40 days ago
A
Retailer 4
-
$1,852 NZD
$1,042 USD
View
Final sale: no returns
Retailer 5
-
$1,891 NZD
$1,064 USD
View
Price last confirmed 36 days ago
Retailer 6
-
$1,918 NZD
$1,079 USD
View
Price last confirmed 31 days ago
A
Retailer 7
-
$2,231 NZD
$1,255 USD
View
A
Retailer 8
-
$2,787 NZD
$1,568 USD
View
A
Retailer 9
-
$2,944 NZD
£1,304 GBP
View
B+
Retailer 10
-
$3,071 NZD
$1,728 USD
View
B+
Retailer 11
-
$3,552 NZD
A$3,075 AUD
View
B+
Retailer 12
-
$3,710 NZD
ZAR 33,722 ZAR
View
B+
Retailer 13
-
$4,266 NZD
$2,400 USD
View
B+
Retailer 14
-
$5,076 NZD
$2,856 USD
View
B+
Retailer 15
-
$5,282 NZD
£2,340 GBP
View
Retailer 16
-
$5,391 NZD
$3,033 USD
View
Price last confirmed 33 days ago
Retailer 17
-
$5,391 NZD
$3,033 USD
View
Price last confirmed 36 days ago
B
Retailer 18
-
$5,997 NZD
$3,374 USD
View
B
Retailer 19
-
$6,503 NZD
£2,881 GBP
View
Most Expensive
B
Taylor and Hart
YMSQ2YM · Oct 31
$6,668 NZD
$3,752 USD
View
19 more retailers have this diamond
Prices start from $1,852 NZDSave up to $4,816 NZD

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
$1,852 NZD