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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 $124 USD
As of November 2, 2026
Save $1,163 USD (90%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,287 USD at MOH London · As of November 2, 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 2, 2026, with prices from $124 to $1,287, a $1,163 spread on the same certified stone. MOH London lists it at $1,287. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $1,287 USD|Low: $119 USD|High: $1,302 USD|Avg: $465 USD|-1.0%
MOH London
Retailer 2
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Retailer 20
November 1, 2026
Retailer 17$124 USD
Retailer 8$139 USD
Retailer 3$144 USD
Retailer 4$164 USD
Retailer 18$164 USD
Retailer 19$210 USD
Retailer 16$218 USD
Retailer 5$280 USD
Retailer 14$297 USD
Retailer 11$304 USD
Retailer 13$317 USD
Retailer 9$462 USD
Retailer 2$480 USD
Retailer 20$495 USD
Retailer 15$523 USD
Retailer 7$552 USD
Retailer 10$892 USD
Retailer 12$903 USD
Retailer 6$952 USD
MOH London$1,287 USD

27 data points across 20 retailers

17 retailers$124 USD to $1,287 USD

A
Cheapest Retailer
-
$124 USD
A
Retailer 2
-
$139 USD
View
Final sale: no returns
A
Retailer 3
-
$144 USD
View
A
Retailer 4
-
$164 USD
View
Retailer 5
-
$164 USD
View
Price last confirmed 9 days ago
B+
Retailer 6
-
$210 USD
View
A
Retailer 7
-
$218 USD
HK$1,700 HKD
View
A
Retailer 8
-
$297 USD
€283 EUR
View
A
Retailer 9
-
$317 USD
£250 GBP
View
A
Retailer 10
-
$354 USD
View
A
Retailer 11
-
$480 USD
View
B+
Retailer 12
-
$495 USD
View
B+
Retailer 13
-
$523 USD
View
B+
Retailer 14
-
$552 USD
View
B
Retailer 15
-
$892 USD
CA$1,239 CAD
View
B
Retailer 16
-
$952 USD
View
Most Expensive
B
MOH London
LG522225554 · Nov 2
$1,287 USD
£1,013 GBP
View
16 more retailers have this diamond
Prices start from $124 USDSave up to $1,163 USD

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
$124 USD