Radiant|Lab Grown|IGI

1.51ct G VVS2 Radiant Lab Grown Diamond

ID • G/VVS2 • IGI LG638430101

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG638430101

Diamond specifications and retailer prices

From HK$1,648 HKD
$210 USD
As of October 27, 2026
Save HK$7,767 HKD (83%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: HK$10,749 HKD at Brilliant Earth · As of October 16, 2026
View at Brilliant Earth

About this 1.51ct lab-grown radiant diamond

This 1.51ct lab-grown radiant sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG638430101 or 638430101. Listed at 23 retailers as of October 27, 2026, with a 471% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
G
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.6°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG638430101
Dimensions8.22 × 5.68 × 3.79 mm
L/W Ratio1.45
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.22 mm5.68 mm1.51 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG638430101
Side View
Table 65.0%Crown 41.6°Girdle: MediumPavilion 34.7°Culet: NoneDepth 66.7%

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: Oct 27
Current: HK$9,415 HKD|Low: HK$1,648 HKD|High: HK$10,749 HKD|Avg: HK$5,030 HKD|-12.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 1, 2026
Retailer 3HK$1,648 HKD
Retailer 5HK$1,852 HKD
Retailer 14HK$1,914 HKD
Retailer 13HK$2,762 HKD
Retailer 15HK$3,516 HKD
Retailer 2HK$3,781 HKD
Retailer 10HK$3,839 HKD
Retailer 17HK$3,939 HKD
Retailer 12HK$4,048 HKD
Retailer 7HK$4,778 HKD
Retailer 11HK$5,304 HKD
Retailer 6HK$6,997 HKD
Retailer 9HK$7,493 HKD
Retailer 16HK$8,011 HKD
Retailer 4HK$8,340 HKD
Retailer 8HK$8,479 HKD
Brilliant EarthHK$9,415 HKD

41 data points across 17 retailers

23 retailersHK$1,648 HKD to HK$9,415 HKD

A
Cheapest Retailer
-
HK$1,648 HKD
$210 USD
A
Retailer 2
-
HK$1,852 HKD
$236 USD
View
Final sale: no returns
A
Retailer 3
-
HK$1,914 HKD
$244 USD
View
Retailer 4
-
HK$2,110 HKD
$269 USD
View
Price last confirmed 8 days ago
Retailer 5
-
HK$2,110 HKD
$269 USD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
HK$2,762 HKD
$352 USD
View
A
Retailer 7
-
HK$3,516 HKD
ZAR 7,240 ZAR
View
A
Retailer 8
-
HK$3,781 HKD
£379 GBP
View
A
Retailer 9
-
HK$3,839 HKD
€466 EUR
View
A
Retailer 10
-
HK$3,939 HKD
$502 USD
View
A
Retailer 11
-
HK$4,048 HKD
$516 USD
View
A
Retailer 12
-
HK$4,778 HKD
A$937 AUD
View
B+
Retailer 13
-
HK$5,304 HKD
$676 USD
View
Retailer 14
-
HK$6,198 HKD
$790 USD
View
Price last confirmed 27 days ago
Retailer 15
-
HK$6,794 HKD
$866 USD
View
Price last confirmed 7 days ago
B+
Retailer 16
-
HK$6,997 HKD
$892 USD
View
B+
Retailer 17
-
HK$7,422 HKD
$946 USD
View
Retailer 18
-
HK$7,493 HKD
$955 USD
View
Price last confirmed 14 days ago
B
Retailer 19
-
HK$8,011 HKD
£804 GBP
View
B
Retailer 20
-
HK$8,340 HKD
$1,063 USD
View
Retailer 21
-
HK$8,479 HKD
£851 GBP
View
Price last confirmed 8 days ago
B
Retailer 22
-
HK$9,415 HKD
$1,200 USD
View
Most Expensive
Brilliant Earth
14449008A · Oct 16
HK$10,749 HKD
$1,370 USD
View
Price last confirmed 16 days ago
22 more retailers have this diamond
Prices start from HK$1,648 HKDSave up to HK$7,767 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
1.51ct Radiant
HK$1,648 HKD