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Radiant|Lab Grown|IGI

1.51ct E SI1 Radiant Lab Grown Diamond

EX • E/SI1 • IGI LG833665579

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

Certificate IGI LG833665579

Diamond specifications and retailer prices

From HK$1,716 HKD
As of November 5, 2026
Save HK$6,426 HKD (79%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$8,142 HKD at MOH London · As of November 1, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG833665579 or 833665579. Listed at 9 retailers as of November 1, 2026, with prices from HK$1,716 to HK$8,142, a HK$6,426 spread on the same certified stone. MOH London lists it at HK$8,142. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.51
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.3°
Pavilion angle34.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833665579
Dimensions8.20 × 5.51 × 3.74 mm
L/W Ratio1.49
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.20 mm5.51 mm1.51 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833665579
Side View
Table 63.0%Crown 43.3°Girdle: Slightly ThickPavilion 34.5°Culet: NoneDepth 67.9%

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 5
Current: HK$8,142 HKD|Low: HK$1,560 HKD|High: HK$8,684 HKD|Avg: HK$4,007 HKD|+3.2%
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
November 6, 2026
Retailer 4HK$1,560 HKD
Retailer 6HK$1,646 HKD
Retailer 5HK$1,669 HKD
Retailer 3HK$1,716 HKD
Retailer 2HK$2,210 HKD
Retailer 9HK$2,900 HKD
Retailer 14HK$2,939 HKD
Retailer 10HK$3,080 HKD
Retailer 8HK$3,488 HKD
Retailer 7HK$4,303 HKD
Retailer 12HK$5,173 HKD
Retailer 15HK$5,416 HKD
Retailer 11HK$6,066 HKD
Retailer 16HK$6,897 HKD
MOH LondonHK$8,142 HKD
Retailer 13HK$8,684 HKD

18 data points across 16 retailers

9 retailersHK$1,716 HKD to HK$8,142 HKD

Retailer 1
-
HK$1,646 HKD
Price last confirmed 39 days ago
A
Retailer 2
-
HK$1,716 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$2,210 HKD
View
A
Retailer 4
-
HK$2,900 HKD
View
B+
Retailer 5
-
HK$3,080 HKD
View
Retailer 6
-
HK$5,416 HKD
View
Price last confirmed 38 days ago
B+
Retailer 7
-
HK$6,066 HKD
View
Retailer 8
-
HK$6,897 HKD
View
Price last confirmed 38 days ago
Most Expensive
B
MOH London
LG833665579 · Nov 1
HK$8,142 HKD
£818 GBP
View
8 more retailers have this diamond
Prices start from HK$1,716 HKDSave up to HK$6,426 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$1,716 HKD