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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 $180 AUD
As of November 6, 2026
Save $1,686 AUD (90%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,867 AUD 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 $180 to $1,867, a $1,686 spread on the same certified stone. MOH London lists it at $1,867. 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: $1,867 AUD|Low: $173 AUD|High: $1,895 AUD|Avg: $669 AUD|-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$180 AUD
Retailer 8$202 AUD
Retailer 3$210 AUD
Retailer 2$239 AUD
Retailer 4$239 AUD
Retailer 19$306 AUD
Retailer 17$316 AUD
Retailer 5$408 AUD
Retailer 15$432 AUD
Retailer 11$442 AUD
Retailer 14$461 AUD
Retailer 9$672 AUD
Retailer 13$699 AUD
Retailer 20$720 AUD
Retailer 16$761 AUD
Retailer 7$802 AUD
Retailer 10$1,298 AUD
Retailer 12$1,313 AUD
Retailer 6$1,384 AUD
MOH London$1,867 AUD

26 data points across 20 retailers

17 retailers$180 AUD to $1,867 AUD

A
Cheapest Retailer
-
$180 AUD
A
Retailer 2
-
$202 AUD
View
Final sale: no returns
A
Retailer 3
-
$210 AUD
View
A
Retailer 4
-
$239 AUD
View
Retailer 5
-
$239 AUD
View
Price last confirmed 13 days ago
B+
Retailer 6
-
$306 AUD
View
A
Retailer 7
-
$316 AUD
View
A
Retailer 8
-
$432 AUD
View
A
Retailer 9
-
$461 AUD
View
A
Retailer 10
-
$515 AUD
View
B+
Retailer 11
-
$699 AUD
View
B+
Retailer 12
-
$720 AUD
View
B+
Retailer 13
-
$761 AUD
View
B+
Retailer 14
-
$802 AUD
View
B
Retailer 15
-
$1,298 AUD
View
B
Retailer 16
-
$1,384 AUD
View
Most Expensive
B
MOH London
LG522225554 · Nov 5
$1,867 AUD
£1,010 GBP
View
16 more retailers have this diamond
Prices start from $180 AUDSave up to $1,686 AUD

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
$180 AUD