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Radiant|Lab Grown|IGI

1.00ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG649405924

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

Certificate IGI LG649405924

Diamond specifications and retailer prices

From $295 SGD
As of November 6, 2026
Save $919 SGD (76%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,214 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG649405924 or 649405924. Listed at 12 retailers as of November 4, 2026, with prices from $295 to $1,214, a $919 spread on the same certified stone. MOH London lists it at $1,214. 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
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.6°
Pavilion angle32.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG649405924
Dimensions7.18 × 4.93 × 3.23 mm
L/W Ratio1.46
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.18 mm4.93 mm1.00 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG649405924
Side View
Table 66.0%Crown 43.6°Girdle: MediumPavilion 32.7°Culet: NoneDepth 65.5%

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: $1,214 SGD|Low: $402 SGD|High: $1,232 SGD|Avg: $638 SGD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 4$434 SGD
Retailer 2$456 SGD
Retailer 3$493 SGD
Retailer 5$549 SGD
MOH London$1,214 SGD

42 data points across 5 retailers

12 retailers$295 SGD to $1,214 SGD

A
Cheapest Retailer
-
$295 SGD
A
Retailer 2
-
$434 SGD
View
A
Retailer 3
-
$456 SGD
View
A
Retailer 4
-
$487 SGD
View
B+
Retailer 5
-
$493 SGD
View
Retailer 6
-
$493 SGD
View
Price last confirmed 17 days ago
A
Retailer 7
-
$493 SGD
View
B+
Retailer 8
-
$500 SGD
View
Retailer 9
-
$506 SGD
View
Price last confirmed 17 days ago
B+
Retailer 10
-
$549 SGD
View
B
Retailer 11
-
$1,050 SGD
View
Most Expensive
B
MOH London
LG649405924 · Nov 4
$1,214 SGD
£746 GBP
View
11 more retailers have this diamond
Prices start from $295 SGDSave up to $919 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
$295 SGD