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Radiant|Lab Grown|IGI

1.02ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG474116511

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

Certificate IGI LG474116511

Diamond specifications and retailer prices

From $884 SGD
As of November 6, 2026
Save $784 SGD (47%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,884 SGD at NZ Jewellers · As of November 6, 2026
View at NZ Jewellers

About this 1.02ct lab-grown radiant diamond

This 1.02ct lab-grown radiant sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG474116511 or 474116511. Listed at 12 retailers as of November 6, 2026, with a 89% 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

1.02
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47°
Pavilion angle29°
OriginLab Grown
Grading LabIGI
CertificateIGI LG474116511
Dimensions6.45 × 4.93 × 3.29 mm
L/W Ratio1.31
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.45 mm4.93 mm1.02 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG474116511
Side View
Table 62.5%Crown 47°Girdle: Slightly ThickPavilion 29°Culet: NoneDepth 66.7%

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 6
Current: $2,884 SGD|Low: $647 SGD|High: $4,077 SGD|Avg: $1,599 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 5, 2026
Retailer 4$647 SGD
Retailer 8$884 SGD
Retailer 12$962 SGD
Retailer 3$991 SGD
Retailer 10$1,025 SGD
Retailer 9$1,166 SGD
Retailer 6$1,250 SGD
Retailer 5$1,628 SGD
Retailer 11$1,669 SGD
Retailer 7$2,526 SGD
NZ Jewellers$2,884 SGD
Retailer 2$4,017 SGD

43 data points across 12 retailers

12 retailers$884 SGD to $1,669 SGD

B+
Cheapest Retailer
-
$884 SGD
B
Retailer 2
-
$962 SGD
View
B
Retailer 3
-
$991 SGD
View
Final sale: no returns
Retailer 4
-
$1,025 SGD
View
Price last confirmed 22 days ago
B
Retailer 5
-
$1,025 SGD
View
B
Retailer 6
-
$1,166 SGD
View
B
Retailer 7
-
$1,250 SGD
View
B
Retailer 8
-
$1,628 SGD
View
B
Retailer 9
-
$1,669 SGD
View
Retailer 10
-
$2,526 SGD
View
Price under review
Most Expensive
NZ Jewellers
477c9b58-a490-4a7b-851d-ec5ef021df07 · Nov 6
$2,884 SGD
$2,250 USD
View
Price under review
10 more retailers have this diamond
Prices start from $884 SGDSave up to $784 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+
1.02ct Radiant
$884 SGD