Radiant|Lab Grown|IGI

1.51ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG604313122

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

Certificate IGI LG604313122

Diamond specifications and retailer prices

From HK$5,727 HKD
As of November 2, 2026
Save HK$2,095 HKD (27%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$9,096 HKD at Reve Diamonds · As of October 28, 2026
View at Reve Diamonds

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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG604313122 or 604313122. Listed at 20 retailers as of November 1, 2026, with a 37% 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.2°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG604313122
Dimensions5.51 × 8.35 × 3.84 mm
L/W Ratio1.52
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
5.51 mm8.35 mm1.51 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG604313122
Side View
Table 67.0%Crown 38.2°Girdle: Slightly ThickPavilion 36.8°Culet: NoneDepth 69.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: HK$3,319 HKD|Low: HK$1,624 HKD|High: HK$9,096 HKD|Avg: HK$4,676 HKD|+6.5%
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
Retailer 14
Retailer 15
Reve Diamonds
October 28, 2026
Retailer 2HK$1,655 HKD
Retailer 6HK$1,805 HKD
Retailer 8HK$2,158 HKD
Retailer 9HK$3,154 HKD
Retailer 3HK$3,225 HKD
Retailer 1HK$3,319 HKD
Retailer 7HK$3,593 HKD
Retailer 14HK$3,688 HKD
Retailer 10HK$4,292 HKD
Retailer 5HK$5,775 HKD
Retailer 13HK$5,939 HKD
Retailer 15HK$6,339 HKD
Retailer 12HK$6,787 HKD
Retailer 4HK$7,658 HKD
Retailer 11HK$8,615 HKD
Reve DiamondsHK$9,096 HKD

31 data points across 16 retailers

20 retailersHK$5,727 HKD to HK$7,822 HKD

Retailer 1
-
HK$1,451 HKD
Price last confirmed 36 days ago
Retailer 2
-
HK$1,687 HKD
View
Price last confirmed 39 days ago
Retailer 3
-
HK$1,781 HKD
View
Price last confirmed 37 days ago
Retailer 4
-
HK$2,158 HKD
View
Price last confirmed 8 days ago
Retailer 5
-
HK$3,154 HKD
View
Price last confirmed 9 days ago
Retailer 6
-
HK$3,225 HKD
View
Price last confirmed 8 days ago
Retailer 7
-
HK$3,319 HKD
View
Price last confirmed 8 days ago
Retailer 8
-
HK$3,688 HKD
View
Price last confirmed 9 days ago
Retailer 9
-
HK$3,711 HKD
View
Price last confirmed 36 days ago
Retailer 10
-
HK$4,292 HKD
View
Price last confirmed 10 days ago
B+
Retailer 11
-
HK$5,727 HKD
View
B+
Retailer 12
-
HK$5,775 HKD
View
Retailer 13
-
HK$5,798 HKD
View
Price last confirmed 36 days ago
Retailer 14
-
HK$5,939 HKD
View
Price last confirmed 10 days ago
Retailer 15
-
HK$6,339 HKD
View
Price last confirmed 8 days ago
Retailer 16
-
HK$6,787 HKD
View
Price last confirmed 18 days ago
Retailer 17
-
HK$7,658 HKD
View
Price last confirmed 8 days ago
B
Retailer 18
-
HK$7,822 HKD
View
Retailer 19
-
HK$8,615 HKD
View
Price last confirmed 11 days ago
Most Expensive
Reve Diamonds
81654C89B · Oct 28
HK$9,096 HKD
$1,159 USD
View
Price last confirmed 7 days ago
19 more retailers have this diamond
Prices start from HK$5,727 HKDSave up to HK$2,095 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.

B+
1.51ct Radiant
HK$5,727 HKD