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Radiant|Lab Grown|IGI

1.82ct G SI1 Radiant Lab Grown Diamond

ID • G/SI1 • IGI LG537225687

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

Certificate IGI LG537225687

Diamond specifications and retailer prices

From $1,483 SGD
$1,160 USD
As of October 31, 2026
Save $3,178 SGD (68%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $5,193 SGD at NZ Jewellers · As of November 1, 2026
View at NZ Jewellers

About this 1.82ct lab-grown radiant diamond

This 1.82ct lab-grown radiant sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG537225687 or 537225687. Listed at 11 retailers as of October 31, 2026, with a 214% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.82
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG537225687
Dimensions8.75 × 6.20 × 4.03 mm
L/W Ratio1.41
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
8.75 mm6.20 mm1.82 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG537225687
Side View
Table 61.5%Crown 40°Girdle: MED-STKPavilion 35°Culet: NoneDepth 65.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $5,193 SGD|Low: $1,483 SGD|High: $8,009 SGD|Avg: $3,905 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 4$1,483 SGD
Retailer 6$2,388 SGD
Retailer 9$2,599 SGD
Retailer 7$2,770 SGD
Retailer 10$2,985 SGD
Retailer 3$3,810 SGD
Retailer 8$4,343 SGD
Retailer 5$4,661 SGD
NZ Jewellers$5,193 SGD
Retailer 2$7,913 SGD

44 data points across 10 retailers

11 retailers$1,483 SGD to $4,661 SGD

B+
Cheapest Retailer
-
$1,483 SGD
$1,160 USD
B
Retailer 2
-
$2,388 SGD
$1,868 USD
View
B
Retailer 3
-
$2,599 SGD
$2,033 USD
View
B
Retailer 4
-
$2,770 SGD
$2,167 USD
View
Retailer 5
-
$2,770 SGD
$2,167 USD
View
Price last confirmed 20 days ago
B
Retailer 6
-
$2,985 SGD
$2,335 USD
View
B
Retailer 7
-
$3,810 SGD
£2,347 GBP
View
B
Retailer 8
-
$4,343 SGD
$3,397 USD
View
B
Retailer 9
-
$4,661 SGD
$3,646 USD
View
Most Expensive
NZ Jewellers
fbc6f472-5549-4eda-8b45-6524e34ae689 · Nov 1
$5,193 SGD
$4,062 USD
View
Price under review
9 more retailers have this diamond
Prices start from $1,483 SGDSave up to $3,178 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.

B+
1.82ct Radiant
$1,483 SGD