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Radiant|Lab Grown|IGI

1.51ct H VS1 Radiant Lab Grown Diamond

ID • H/VS1 • IGI LG778659554

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

Certificate IGI LG778659554

Diamond specifications and retailer prices

From HK$1,608 HKD
As of November 4, 2026
Save HK$7,678 HKD (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$9,286 HKD at MOH London · As of November 5, 2026
View at MOH London

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 H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG778659554 or 778659554. Listed at 17 retailers as of November 4, 2026, with prices from HK$1,608 to HK$9,286, a HK$7,678 spread on the same certified stone. MOH London lists it at HK$9,286. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.4°
Pavilion angle36.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778659554
Dimensions8.20 × 5.60 × 3.83 mm
L/W Ratio1.46
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.20 mm5.60 mm1.51 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778659554
Side View
Table 65.0%Crown 42.4°Girdle: MED-STKPavilion 36.4°Culet: NoneDepth 68.4%

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 4
Current: HK$9,286 HKD|Low: HK$1,561 HKD|High: HK$9,376 HKD|Avg: HK$4,563 HKD|+13.8%
MOH London
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 5, 2026
Retailer 3HK$1,608 HKD
Retailer 17HK$1,789 HKD
Retailer 13HK$1,859 HKD
Retailer 7HK$1,993 HKD
Retailer 8HK$2,001 HKD
Retailer 12HK$3,436 HKD
Retailer 4HK$3,444 HKD
Retailer 15HK$3,852 HKD
Retailer 16HK$4,589 HKD
Retailer 11HK$4,637 HKD
Retailer 10HK$5,241 HKD
Retailer 2HK$6,158 HKD
Retailer 14HK$6,402 HKD
Retailer 5HK$6,472 HKD
Retailer 6HK$6,817 HKD
Retailer 9HK$7,767 HKD
MOH LondonHK$9,286 HKD

37 data points across 17 retailers

17 retailersHK$1,608 HKD to HK$9,286 HKD

A
Cheapest Retailer
-
HK$1,608 HKD
A
Retailer 2
-
HK$1,789 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$1,859 HKD
View
A
Retailer 4
-
HK$1,993 HKD
View
Retailer 5
-
HK$2,001 HKD
View
Price last confirmed 11 days ago
A
Retailer 6
-
HK$3,436 HKD
View
B+
Retailer 7
-
HK$3,444 HKD
View
A
Retailer 8
-
HK$3,852 HKD
View
A
Retailer 9
-
HK$4,589 HKD
View
A
Retailer 10
-
HK$4,637 HKD
View
A
Retailer 11
-
HK$5,241 HKD
View
B+
Retailer 12
-
HK$6,158 HKD
View
B+
Retailer 13
-
HK$6,402 HKD
View
B+
Retailer 14
-
HK$6,472 HKD
View
B+
Retailer 15
-
HK$6,817 HKD
View
B+
Retailer 16
-
HK$7,767 HKD
View
Most Expensive
B
MOH London
LG778659554 · Nov 5
HK$9,286 HKD
£932 GBP
View
16 more retailers have this diamond
Prices start from HK$1,608 HKDSave up to HK$7,678 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$1,608 HKD