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Radiant|Lab Grown|IGI

1.35ct I VS1 Radiant Lab Grown Diamond

ID • I/VS1 • IGI LG512227952

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

Certificate IGI LG512227952

Diamond specifications and retailer prices

From $946 SGD
$740 USD
As of November 2, 2026
Save $1,860 SGD (66%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,431 SGD at NZ Jewellers · As of November 1, 2026
View at NZ Jewellers

About this 1.35ct lab-grown radiant diamond

This 1.35ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG512227952 or 512227952. Listed at 12 retailers as of November 2, 2026, with a 196% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.35
Carat
I
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.9°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG512227952
Dimensions7.85 × 5.60 × 3.73 mm
L/W Ratio1.40
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
7.85 mm5.60 mm1.35 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG512227952
Side View
Table 67.0%Crown 38.9°Girdle: STK-THKPavilion 35.4°Culet: NoneDepth 66.6%

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: Nov 2
Current: $3,431 SGD|Low: $946 SGD|High: $4,635 SGD|Avg: $2,173 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 6$946 SGD
Retailer 8$1,053 SGD
Retailer 11$1,145 SGD
Retailer 9$1,220 SGD
Retailer 3$1,445 SGD
Retailer 4$1,888 SGD
Retailer 10$1,966 SGD
Retailer 5$2,243 SGD
Retailer 7$2,806 SGD
Retailer 12$3,372 SGD
NZ Jewellers$3,431 SGD
Retailer 2$4,575 SGD

21 data points across 12 retailers

12 retailers$946 SGD to $2,806 SGD

B+
Cheapest Retailer
-
$946 SGD
$740 USD
B+
Retailer 2
-
$1,053 SGD
$823 USD
View
B+
Retailer 3
-
$1,145 SGD
$895 USD
View
B
Retailer 4
-
$1,220 SGD
$954 USD
View
Retailer 5
-
$1,220 SGD
$954 USD
View
Price last confirmed 16 days ago
B
Retailer 6
-
$1,445 SGD
$1,130 USD
View
B
Retailer 7
-
$1,966 SGD
$1,537 USD
View
B
Retailer 8
-
$2,243 SGD
ZAR 28,339 ZAR
View
B
Retailer 9
-
$2,806 SGD
$2,194 USD
View
Retailer 10
-
$3,372 SGD
£2,076 GBP
View
Price under review
Most Expensive
NZ Jewellers
ce9dd9ed-d43a-4a9b-912a-746081bcdc76 · Nov 1
$3,431 SGD
$2,683 USD
View
Price under review
10 more retailers have this diamond
Prices start from $946 SGDSave up to $1,860 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+
1.35ct Radiant
$946 SGD