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 $1,230 USD
As of October 28, 2026
Save $4,629 USD (79%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $5,859 USD at MOH London · As of October 29, 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 28, 2026, with prices from $1,230 to $5,859, a $4,629 spread on the same certified stone. MOH London lists it at $5,859. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $5,859 USD|Low: $1,230 USD|High: $5,906 USD|Avg: $3,105 USD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 4$1,230 USD
Retailer 8$1,970 USD
Retailer 5$2,041 USD
Retailer 3$2,079 USD
Retailer 9$2,210 USD
Retailer 10$2,725 USD
Retailer 6$3,202 USD
Retailer 2$3,432 USD
Retailer 7$3,825 USD
Retailer 11$5,842 USD
MOH London$5,859 USD

16 data points across 11 retailers

11 retailers$1,230 USD to $5,859 USD

A
Cheapest Retailer
-
$1,230 USD
A
Retailer 2
-
$1,759 USD
View
B+
Retailer 3
-
$1,914 USD
View
B+
Retailer 4
-
$1,970 USD
View
Final sale: no returns
B+
Retailer 5
-
$2,041 USD
View
Price last confirmed 16 days ago
B+
Retailer 6
-
$2,041 USD
View
B+
Retailer 7
-
$2,210 USD
View
B
Retailer 8
-
$3,202 USD
View
B
Retailer 9
-
$3,432 USD
View
B
Retailer 10
-
$3,825 USD
View
Most Expensive
B
MOH London
LG528224211 · Oct 29
$5,859 USD
£4,613 GBP
View
10 more retailers have this diamond
Prices start from $1,230 USDSave up to $4,629 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
1.85ct Radiant
$1,230 USD