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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 HK$8,175 HKD
$1,042 USD
As of October 31, 2026
Save HK$21,260 HKD (72%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$29,435 HKD 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 HK$8,175 to HK$29,435, a HK$21,260 spread on the same certified stone. Taylor and Hart lists it at HK$29,435. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: HK$28,706 HKD|Low: HK$8,175 HKD|High: HK$29,045 HKD|Avg: HK$16,534 HKD|-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 2HK$8,175 HKD
Retailer 13HK$8,466 HKD
Retailer 8HK$9,846 HKD
Retailer 3HK$12,302 HKD
Retailer 6HK$12,994 HKD
Retailer 12HK$13,557 HKD
Retailer 7HK$15,682 HKD
Retailer 9HK$16,377 HKD
Retailer 10HK$18,830 HKD
Retailer 5HK$22,407 HKD
Retailer 4HK$23,316 HKD
Retailer 11HK$26,471 HKD
Retailer 1HK$28,706 HKD

38 data points across 13 retailers

20 retailersHK$8,175 HKD to HK$29,435 HKD

Retailer 1
-
HK$7,006 HKD
$893 USD
Price last confirmed 31 days ago
Retailer 2
-
HK$7,297 HKD
$930 USD
View
Price last confirmed 34 days ago
Retailer 3
-
HK$7,940 HKD
$1,012 USD
View
Price last confirmed 39 days ago
A
Retailer 4
-
HK$8,175 HKD
$1,042 USD
View
Final sale: no returns
Retailer 5
-
HK$8,348 HKD
$1,064 USD
View
Price last confirmed 35 days ago
Retailer 6
-
HK$8,466 HKD
$1,079 USD
View
Price last confirmed 30 days ago
A
Retailer 7
-
HK$9,846 HKD
$1,255 USD
View
A
Retailer 8
-
HK$12,302 HKD
$1,568 USD
View
A
Retailer 9
-
HK$12,994 HKD
£1,304 GBP
View
B+
Retailer 10
-
HK$13,557 HKD
$1,728 USD
View
B+
Retailer 11
-
HK$15,682 HKD
A$3,075 AUD
View
B+
Retailer 12
-
HK$16,377 HKD
ZAR 33,722 ZAR
View
B+
Retailer 13
-
HK$18,830 HKD
$2,400 USD
View
B+
Retailer 14
-
HK$22,407 HKD
$2,856 USD
View
B+
Retailer 15
-
HK$23,316 HKD
£2,340 GBP
View
Retailer 16
-
HK$23,796 HKD
$3,033 USD
View
Price last confirmed 32 days ago
Retailer 17
-
HK$23,796 HKD
$3,033 USD
View
Price last confirmed 36 days ago
B
Retailer 18
-
HK$26,471 HKD
$3,374 USD
View
B
Retailer 19
-
HK$28,706 HKD
£2,881 GBP
View
Most Expensive
B
Taylor and Hart
YMSQ2YM · Oct 31
HK$29,435 HKD
$3,752 USD
View
19 more retailers have this diamond
Prices start from HK$8,175 HKDSave up to HK$21,260 HKD

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
HK$8,175 HKD