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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 $1,751 AUD
$1,230 USD
As of October 31, 2026
Save $6,546 AUD (79%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $8,297 AUD 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 $1,751 to $8,297, a $6,546 spread on the same certified stone. MOH London lists it at $8,297. 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: $8,297 AUD|Low: $1,751 AUD|High: $8,407 AUD|Avg: $4,198 AUD
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$1,751 AUD
Retailer 6$2,504 AUD
Retailer 11$2,725 AUD
Retailer 12$2,804 AUD
Retailer 8$2,906 AUD
Retailer 5$2,960 AUD
Retailer 13$3,146 AUD
Retailer 3$3,879 AUD
Retailer 9$4,558 AUD
Retailer 2$4,886 AUD
Retailer 10$5,445 AUD
MOH London$8,297 AUD
Retailer 4$8,317 AUD

19 data points across 13 retailers

11 retailers$1,751 AUD to $8,297 AUD

A
Cheapest Retailer
-
$1,751 AUD
$1,230 USD
B+
Retailer 2
-
$2,504 AUD
$1,759 USD
View
B+
Retailer 3
-
$2,725 AUD
$1,914 USD
View
B+
Retailer 4
-
$2,804 AUD
$1,970 USD
View
Final sale: no returns
Retailer 5
-
$2,906 AUD
$2,041 USD
View
Price last confirmed 20 days ago
B+
Retailer 6
-
$2,906 AUD
$2,041 USD
View
B+
Retailer 7
-
$3,146 AUD
$2,210 USD
View
B
Retailer 8
-
$4,558 AUD
$3,202 USD
View
B
Retailer 9
-
$4,886 AUD
$3,432 USD
View
B
Retailer 10
-
$5,445 AUD
$3,825 USD
View
Most Expensive
B
MOH London
LG528224211 · Nov 1
$8,297 AUD
£4,589 GBP
View
10 more retailers have this diamond
Prices start from $1,751 AUDSave up to $6,546 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
1.85ct Radiant
$1,751 AUD