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Radiant|Lab Grown|IGI

1.87ct H SI1 Radiant Lab Grown Diamond

ID • H/SI1 • IGI LG532236403

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

Certificate IGI LG532236403

Diamond specifications and retailer prices

From $1,765 AUD
$1,240 USD
As of October 31, 2026
Save $6,620 AUD (79%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $8,385 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 1.87ct lab-grown radiant diamond

This 1.87ct lab-grown radiant sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG532236403 or 532236403. Listed at 11 retailers as of October 31, 2026, with prices from $1,765 to $8,385, a $6,620 spread on the same certified stone. MOH London lists it at $8,385. 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

1.87
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.4°
Pavilion angle30.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG532236403
Dimensions8.51 × 5.94 × 4.06 mm
L/W Ratio1.43
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
8.51 mm5.94 mm1.87 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG532236403
Side View
Table 65.0%Crown 45.4°Girdle: MediumPavilion 30.2°Culet: NoneDepth 68.4%

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: Oct 31
Current: $8,385 AUD|Low: $1,765 AUD|High: $8,497 AUD|Avg: $4,228 AUD|-1.0%
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
November 1, 2026
Retailer 7$1,765 AUD
Retailer 6$2,531 AUD
Retailer 11$2,753 AUD
Retailer 12$2,834 AUD
Retailer 8$2,935 AUD
Retailer 5$2,977 AUD
Retailer 13$3,175 AUD
Retailer 3$3,918 AUD
Retailer 9$4,605 AUD
Retailer 2$4,938 AUD
Retailer 10$5,504 AUD
MOH London$8,385 AUD
Retailer 4$8,405 AUD

17 data points across 13 retailers

11 retailers$1,765 AUD to $8,385 AUD

A
Cheapest Retailer
-
$1,765 AUD
$1,240 USD
B+
Retailer 2
-
$2,531 AUD
$1,778 USD
View
B+
Retailer 3
-
$2,753 AUD
$1,934 USD
View
B+
Retailer 4
-
$2,834 AUD
$1,991 USD
View
Final sale: no returns
Retailer 5
-
$2,935 AUD
$2,062 USD
View
Price last confirmed 20 days ago
B+
Retailer 6
-
$2,935 AUD
$2,062 USD
View
B+
Retailer 7
-
$3,175 AUD
$2,230 USD
View
B
Retailer 8
-
$4,605 AUD
$3,235 USD
View
B
Retailer 9
-
$4,938 AUD
$3,469 USD
View
B
Retailer 10
-
$5,504 AUD
$3,866 USD
View
Most Expensive
B
MOH London
LG532236403 · Nov 1
$8,385 AUD
£4,638 GBP
View
10 more retailers have this diamond
Prices start from $1,765 AUDSave up to $6,620 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
1.87ct Radiant
$1,765 AUD