CaratHunter
Plans
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 $2,200 NZD
$1,240 USD
As of October 31, 2026
Save $8,251 NZD (79%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $10,451 NZD 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 $2,200 to $10,451, a $8,251 spread on the same certified stone. MOH London lists it at $10,451. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $10,451 NZD|Low: $2,200 NZD|High: $10,591 NZD|Avg: $5,269 NZD|-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$2,200 NZD
Retailer 6$3,155 NZD
Retailer 11$3,431 NZD
Retailer 12$3,533 NZD
Retailer 8$3,659 NZD
Retailer 5$3,711 NZD
Retailer 13$3,957 NZD
Retailer 3$4,883 NZD
Retailer 9$5,740 NZD
Retailer 2$6,155 NZD
Retailer 10$6,859 NZD
MOH London$10,451 NZD
Retailer 4$10,476 NZD

17 data points across 13 retailers

11 retailers$2,200 NZD to $10,451 NZD

A
Cheapest Retailer
-
$2,200 NZD
$1,240 USD
B+
Retailer 2
-
$3,155 NZD
$1,778 USD
View
B+
Retailer 3
-
$3,431 NZD
$1,934 USD
View
B+
Retailer 4
-
$3,533 NZD
$1,991 USD
View
Final sale: no returns
Retailer 5
-
$3,659 NZD
$2,062 USD
View
Price last confirmed 20 days ago
B+
Retailer 6
-
$3,659 NZD
$2,062 USD
View
B+
Retailer 7
-
$3,957 NZD
$2,230 USD
View
B
Retailer 8
-
$5,740 NZD
$3,235 USD
View
B
Retailer 9
-
$6,155 NZD
$3,469 USD
View
B
Retailer 10
-
$6,859 NZD
$3,866 USD
View
Most Expensive
B
MOH London
LG532236403 · Nov 1
$10,451 NZD
£4,638 GBP
View
10 more retailers have this diamond
Prices start from $2,200 NZDSave up to $8,251 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
1.87ct Radiant
$2,200 NZD