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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 $224 NZD
As of November 6, 2026
Save $2,090 NZD (90%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,314 NZD 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 $224 to $2,314, a $2,090 spread on the same certified stone. MOH London lists it at $2,314. 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: $2,314 NZD|Low: $215 NZD|High: $2,348 NZD|Avg: $830 NZD|-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 18$224 NZD
Retailer 8$251 NZD
Retailer 3$260 NZD
Retailer 2$296 NZD
Retailer 4$296 NZD
Retailer 19$379 NZD
Retailer 17$391 NZD
Retailer 5$505 NZD
Retailer 15$536 NZD
Retailer 11$548 NZD
Retailer 14$572 NZD
Retailer 9$833 NZD
Retailer 13$866 NZD
Retailer 20$893 NZD
Retailer 16$943 NZD
Retailer 7$994 NZD
Retailer 10$1,609 NZD
Retailer 12$1,627 NZD
Retailer 6$1,716 NZD
MOH London$2,314 NZD

26 data points across 20 retailers

17 retailers$224 NZD to $2,314 NZD

A
Cheapest Retailer
-
$224 NZD
A
Retailer 2
-
$251 NZD
View
Final sale: no returns
A
Retailer 3
-
$260 NZD
View
A
Retailer 4
-
$296 NZD
View
Retailer 5
-
$296 NZD
View
Price last confirmed 13 days ago
B+
Retailer 6
-
$379 NZD
View
A
Retailer 7
-
$391 NZD
View
A
Retailer 8
-
$536 NZD
View
A
Retailer 9
-
$572 NZD
View
A
Retailer 10
-
$639 NZD
View
B+
Retailer 11
-
$866 NZD
View
B+
Retailer 12
-
$893 NZD
View
B+
Retailer 13
-
$943 NZD
View
B+
Retailer 14
-
$994 NZD
View
B
Retailer 15
-
$1,609 NZD
View
B
Retailer 16
-
$1,716 NZD
View
Most Expensive
B
MOH London
LG522225554 · Nov 5
$2,314 NZD
£1,010 GBP
View
16 more retailers have this diamond
Prices start from $224 NZDSave up to $2,090 NZD

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
$224 NZD