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Radiant|Lab Grown|IGI

1.80ct H SI1 Radiant Lab Grown Diamond

ID • H/SI1 • IGI LG523265480

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

Certificate IGI LG523265480

Diamond specifications and retailer prices

From $1,534 SGD
$1,200 USD
As of October 31, 2026
Save $5,757 SGD (79%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $7,291 SGD at MOH London · As of October 29, 2026
View at MOH London

About this 1.8ct lab-grown radiant diamond

This 1.8ct 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 LG523265480 or 523265480. Listed at 11 retailers as of October 29, 2026, with prices from $1,534 to $7,291, a $5,757 spread on the same certified stone. MOH London lists it at $7,291. 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

1.80
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG523265480
Dimensions7.88 × 5.98 × 4.10 mm
L/W Ratio1.32
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
7.88 mm5.98 mm1.80 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG523265480
Side View
Table 66.5%Crown 45.5°Girdle: STK-THKPavilionCulet: NoneDepth 68.6%

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: $7,291 SGD|Low: $1,534 SGD|High: $7,350 SGD|Avg: $3,683 SGD|+0.5%
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
October 29, 2026
Retailer 7$1,534 SGD
Retailer 6$2,189 SGD
Retailer 11$2,382 SGD
Retailer 12$2,451 SGD
Retailer 8$2,539 SGD
Retailer 5$2,593 SGD
Retailer 13$2,755 SGD
Retailer 3$3,399 SGD
Retailer 9$3,987 SGD
Retailer 2$4,379 SGD
Retailer 10$4,759 SGD
Retailer 4$7,270 SGD
MOH London$7,291 SGD

18 data points across 13 retailers

11 retailers$1,534 SGD to $7,291 SGD

A
Cheapest Retailer
-
$1,534 SGD
$1,200 USD
A
Retailer 2
-
$2,189 SGD
$1,712 USD
View
B+
Retailer 3
-
$2,382 SGD
$1,863 USD
View
B+
Retailer 4
-
$2,451 SGD
$1,917 USD
View
Final sale: no returns
Retailer 5
-
$2,539 SGD
$1,986 USD
View
Price last confirmed 19 days ago
B+
Retailer 6
-
$2,539 SGD
$1,986 USD
View
B+
Retailer 7
-
$2,755 SGD
$2,155 USD
View
B
Retailer 8
-
$3,987 SGD
$3,119 USD
View
B
Retailer 9
-
$4,379 SGD
$3,425 USD
View
B
Retailer 10
-
$4,759 SGD
$3,723 USD
View
Most Expensive
B
MOH London
LG523265480 · Oct 29
$7,291 SGD
£4,491 GBP
View
10 more retailers have this diamond
Prices start from $1,534 SGDSave up to $5,757 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
1.80ct Radiant
$1,534 SGD