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Radiant|Lab Grown|IGI

1.00ct D SI1 Radiant Lab Grown Diamond

ID • D/SI1 • IGI LG842612921

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

Certificate IGI LG842612921

Diamond specifications and retailer prices

From $301 SGD
As of November 6, 2026
Save $734 SGD (71%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,035 SGD at MOH London · As of November 4, 2026
View at MOH London

About this 1ct lab-grown radiant diamond

This 1ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG842612921 or 842612921. Listed at 8 retailers as of November 4, 2026, with prices from $301 to $1,035, a $734 spread on the same certified stone. MOH London lists it at $1,035. 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

1.00
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.9°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842612921
Dimensions6.93 × 4.91 × 3.38 mm
L/W Ratio1.41
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.93 mm4.91 mm1.00 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842612921
Side View
Table 69.0%Crown 46.9°Girdle: MED-STKPavilion 36°Culet: NoneDepth 68.8%

Caratlytics Score

How it works →
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: $1,035 SGD|Low: $301 SGD|High: $1,043 SGD|Avg: $519 SGD|-0.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 7$301 SGD
Retailer 2$376 SGD
Retailer 3$388 SGD
Retailer 6$401 SGD
Retailer 4$422 SGD
Retailer 5$784 SGD
MOH London$1,035 SGD

24 data points across 7 retailers

8 retailers$301 SGD to $1,035 SGD

B+
Cheapest Retailer
-
$301 SGD
A
Retailer 2
-
$376 SGD
View
A
Retailer 3
-
$388 SGD
View
A
Retailer 4
-
$401 SGD
View
A
Retailer 5
-
$422 SGD
View
B
Retailer 6
-
$784 SGD
View
B
Retailer 7
-
$936 SGD
View
Most Expensive
B
MOH London
LG842612921 · Nov 4
$1,035 SGD
£636 GBP
View
7 more retailers have this diamond
Prices start from $301 SGDSave up to $734 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
1.00ct Radiant
$301 SGD