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Radiant|Lab Grown|IGI

1.01ct K SI1 Radiant Lab Grown Diamond

ID • K/SI1 • IGI LG380970591

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

Certificate IGI LG380970591

Diamond specifications and retailer prices

From $505 SGD
As of November 6, 2026
Save $1,507 SGD (75%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $2,012 SGD at NZ Jewellers · As of November 6, 2026
View at NZ Jewellers

About this 1.01ct lab-grown radiant diamond

This 1.01ct lab-grown radiant sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG380970591 or 380970591. Listed at 6 retailers as of November 6, 2026, with prices from $505 to $2,012, a $1,507 spread on the same certified stone. NZ Jewellers lists it at $2,012. 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

1.01
Carat
K
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG380970591
Dimensions6.69 × 4.94 × 3.35 mm
L/W Ratio1.35
Culet sizePointed
Cert comments
This Chemical Vapor Deposition (CVD) laboratory grown diamond is classified as Type IIa.
Top View
6.69 mm4.94 mm1.01 ctK / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG380970591
Side View
Table 66.5%CrownGirdlePavilionCulet: NoneDepth

Caratlytics Score

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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: Nov 6
Current: $2,012 SGD|Low: $484 SGD|High: $2,012 SGD|Avg: $989 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 8, 2026
Retailer 2$505 SGD
Retailer 5$565 SGD
Retailer 3$625 SGD
Retailer 6$625 SGD
Retailer 4$993 SGD
Retailer 7$1,678 SGD
NZ Jewellers$2,012 SGD

7 data points across 7 retailers

6 retailers$505 SGD to $2,012 SGD

A
Cheapest Retailer
-
$505 SGD
A
Retailer 2
-
$565 SGD
View
B+
Retailer 3
-
$625 SGD
View
Retailer 4
-
$625 SGD
View
Price last confirmed 13 days ago
B+
Retailer 5
-
$993 SGD
View
Most Expensive
B
NZ Jewellers
dd3885bc-5ce7-4690-9e9a-92e743a80347 · Nov 6
$2,012 SGD
$1,570 USD
View
5 more retailers have this diamond
Prices start from $505 SGDSave up to $1,507 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
1.01ct Radiant
$505 SGD