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Radiant|Lab Grown|IGI

1.85ct H SI1 Radiant Lab Grown Diamond

ID • H/SI1 • IGI LG528224211

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

Certificate IGI LG528224211

Diamond specifications and retailer prices

From $1,572 SGD
$1,230 USD
As of October 31, 2026
Save $5,878 SGD (79%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $7,451 SGD at MOH London · As of November 1, 2026
View at MOH London

About this 1.85ct lab-grown radiant diamond

This 1.85ct 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 LG528224211 or 528224211. Listed at 11 retailers as of October 31, 2026, with prices from $1,572 to $7,451, a $5,878 spread on the same certified stone. MOH London lists it at $7,451. 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

1.85
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.4°
Pavilion angle31.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG528224211
Dimensions8.30 × 6.06 × 4.20 mm
L/W Ratio1.37
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
8.30 mm6.06 mm1.85 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG528224211
Side View
Table 64.0%Crown 41.4°Girdle: Slightly ThickPavilion 31.2°Culet: NoneDepth 69.3%

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: $7,451 SGD|Low: $1,572 SGD|High: $7,550 SGD|Avg: $3,770 SGD
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$1,572 SGD
Retailer 6$2,249 SGD
Retailer 11$2,447 SGD
Retailer 12$2,518 SGD
Retailer 8$2,609 SGD
Retailer 5$2,658 SGD
Retailer 13$2,825 SGD
Retailer 3$3,484 SGD
Retailer 9$4,093 SGD
Retailer 2$4,387 SGD
Retailer 10$4,890 SGD
MOH London$7,451 SGD
Retailer 4$7,468 SGD

19 data points across 13 retailers

11 retailers$1,572 SGD to $7,451 SGD

A
Cheapest Retailer
-
$1,572 SGD
$1,230 USD
B+
Retailer 2
-
$2,249 SGD
$1,759 USD
View
B+
Retailer 3
-
$2,447 SGD
$1,914 USD
View
B+
Retailer 4
-
$2,518 SGD
$1,970 USD
View
Final sale: no returns
Retailer 5
-
$2,609 SGD
$2,041 USD
View
Price last confirmed 20 days ago
B+
Retailer 6
-
$2,609 SGD
$2,041 USD
View
B+
Retailer 7
-
$2,825 SGD
$2,210 USD
View
B
Retailer 8
-
$4,093 SGD
$3,202 USD
View
B
Retailer 9
-
$4,387 SGD
$3,432 USD
View
B
Retailer 10
-
$4,890 SGD
$3,825 USD
View
Most Expensive
B
MOH London
LG528224211 · Nov 1
$7,451 SGD
£4,589 GBP
View
10 more retailers have this diamond
Prices start from $1,572 SGDSave up to $5,878 SGD

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
1.85ct Radiant
$1,572 SGD