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Radiant|Lab Grown|IGI

1.80ct G SI1 Radiant Lab Grown Diamond

ID • G/SI1 • IGI LG538275665

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

Certificate IGI LG538275665

Diamond specifications and retailer prices

From $2,067 CAD
$1,480 USD
As of October 30, 2026
Save $2,970 CAD (59%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $5,613 CAD at NZ Jewellers · As of October 28, 2026
View at NZ Jewellers

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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG538275665 or 538275665. Listed at 12 retailers as of October 30, 2026, with a 144% 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

1.80
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.2°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG538275665
Dimensions8.77 × 6.06 × 3.99 mm
L/W Ratio1.45
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
8.77 mm6.06 mm1.80 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG538275665
Side View
Table 68.5%Crown 38.2°Girdle: STK-THKPavilion 34.3°Culet: NoneDepth 65.8%

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 30
Current: $5,613 CAD|Low: $2,063 CAD|High: $8,656 CAD|Avg: $4,007 CAD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 4$2,067 CAD
Retailer 7$2,581 CAD
Retailer 10$2,809 CAD
Retailer 11$2,890 CAD
Retailer 8$2,995 CAD
Retailer 3$3,227 CAD
Retailer 2$4,118 CAD
Retailer 9$4,696 CAD
Retailer 6$5,037 CAD
NZ Jewellers$5,613 CAD
Retailer 5$8,599 CAD

44 data points across 11 retailers

12 retailers$2,067 CAD to $5,037 CAD

B+
Cheapest Retailer
-
$2,067 CAD
$1,480 USD
B
Retailer 2
-
$2,581 CAD
$1,848 USD
View
B
Retailer 3
-
$2,809 CAD
$2,011 USD
View
B
Retailer 4
-
$2,890 CAD
$2,069 USD
View
Final sale: no returns
B
Retailer 5
-
$2,995 CAD
$2,144 USD
View
Retailer 6
-
$2,995 CAD
$2,144 USD
View
Price last confirmed 18 days ago
B
Retailer 7
-
$3,227 CAD
$2,310 USD
View
B
Retailer 8
-
$4,118 CAD
£2,321 GBP
View
B
Retailer 9
-
$4,696 CAD
$3,362 USD
View
B
Retailer 10
-
$5,037 CAD
$3,606 USD
View
Most Expensive
NZ Jewellers
ab334890-b7dd-48d4-a95b-7a968d70133b · Oct 28
$5,613 CAD
$4,018 USD
View
Price under review
10 more retailers have this diamond
Prices start from $2,067 CADSave up to $2,970 CAD

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+
1.80ct Radiant
$2,067 CAD