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Radiant|Lab Grown|IGI

0.91ct H SI1 Radiant Lab Grown Diamond

ID • H/SI1 • IGI LG522225554

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

Certificate IGI LG522225554

Diamond specifications and retailer prices

From HK$972 HKD
As of November 6, 2026
Save HK$9,081 HKD (90%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$10,053 HKD at MOH London · As of November 5, 2026
View at MOH London

About this 0.91ct lab-grown radiant diamond

This 0.91ct lab-grown radiant sits in the just-under-one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG522225554 or 522225554. Listed at 17 retailers as of November 5, 2026, with prices from HK$972 to HK$10,053, a HK$9,081 spread on the same certified stone. MOH London lists it at HK$10,053. 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

0.91
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.4°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG522225554
Dimensions7.01 × 4.82 × 3.22 mm
L/W Ratio1.45
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
7.01 mm4.82 mm0.91 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG522225554
Side View
Table 67.0%Crown 40.4°Girdle: STK-THKPavilion 36.1°Culet: NoneDepth 66.8%

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 6
Current: HK$10,053 HKD|Low: HK$933 HKD|High: HK$10,202 HKD|Avg: HK$3,605 HKD|-1.3%
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
Retailer 18
Retailer 19
Retailer 20
November 5, 2026
Retailer 18HK$972 HKD
Retailer 8HK$1,089 HKD
Retailer 3HK$1,129 HKD
Retailer 2HK$1,285 HKD
Retailer 4HK$1,285 HKD
Retailer 19HK$1,646 HKD
Retailer 17HK$1,701 HKD
Retailer 5HK$2,194 HKD
Retailer 15HK$2,328 HKD
Retailer 11HK$2,383 HKD
Retailer 14HK$2,484 HKD
Retailer 9HK$3,621 HKD
Retailer 13HK$3,762 HKD
Retailer 20HK$3,880 HKD
Retailer 16HK$4,099 HKD
Retailer 7HK$4,318 HKD
Retailer 10HK$6,991 HKD
Retailer 12HK$7,069 HKD
Retailer 6HK$7,453 HKD
MOH LondonHK$10,053 HKD

26 data points across 20 retailers

17 retailersHK$972 HKD to HK$10,053 HKD

A
Cheapest Retailer
-
HK$972 HKD
A
Retailer 2
-
HK$1,089 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$1,129 HKD
View
A
Retailer 4
-
HK$1,285 HKD
View
Retailer 5
-
HK$1,285 HKD
View
Price last confirmed 13 days ago
B+
Retailer 6
-
HK$1,646 HKD
View
A
Retailer 7
-
HK$1,701 HKD
View
A
Retailer 8
-
HK$2,328 HKD
View
A
Retailer 9
-
HK$2,484 HKD
View
A
Retailer 10
-
HK$2,774 HKD
View
B+
Retailer 11
-
HK$3,762 HKD
View
B+
Retailer 12
-
HK$3,880 HKD
View
B+
Retailer 13
-
HK$4,099 HKD
View
B+
Retailer 14
-
HK$4,318 HKD
View
B
Retailer 15
-
HK$6,991 HKD
View
B
Retailer 16
-
HK$7,453 HKD
View
Most Expensive
B
MOH London
LG522225554 · Nov 5
HK$10,053 HKD
£1,010 GBP
View
16 more retailers have this diamond
Prices start from HK$972 HKDSave up to HK$9,081 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
0.91ct Radiant
HK$972 HKD