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Radiant|Lab Grown|IGI

1.09ct F SI1 Radiant Lab Grown Diamond

EX • F/SI1 • IGI LG593372655

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

Certificate IGI LG593372655

Diamond specifications and retailer prices

From $341 SGD
$267 USD
As of November 1, 2026
Save $964 SGD (74%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,306 SGD at MOH London · As of November 1, 2026
View at MOH London

About this 1.09ct lab-grown radiant diamond

This 1.09ct 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 LG593372655 or 593372655. Listed at 6 retailers as of November 1, 2026, with prices from $341 to $1,306, a $964 spread on the same certified stone. MOH London lists it at $1,306. 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

1.09
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle48°
Pavilion angle36.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG593372655
Dimensions7.20 × 5.07 × 3.43 mm
L/W Ratio1.42
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment.
Top View
7.20 mm5.07 mm1.09 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG593372655
Side View
Table 65.0%Crown 48°Girdle: Slightly ThickPavilion 36.3°Culet: NoneDepth 67.7%

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 1
Current: $1,306 SGD|Low: $341 SGD|High: $1,322 SGD|Avg: $607 SGD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 6$341 SGD
Retailer 3$459 SGD
Retailer 2$501 SGD
Retailer 5$517 SGD
Retailer 4$567 SGD
MOH London$1,306 SGD

41 data points across 6 retailers

6 retailers$341 SGD to $1,306 SGD

A
Cheapest Retailer
-
$341 SGD
$267 USD
A
Retailer 2
-
$459 SGD
$359 USD
View
A
Retailer 3
-
$501 SGD
£309 GBP
View
Retailer 4
-
$517 SGD
$404 USD
View
Price last confirmed 74 days ago
B+
Retailer 5
-
$567 SGD
$443 USD
View
Most Expensive
B
MOH London
LG593372655 · Nov 1
$1,306 SGD
£804 GBP
View
5 more retailers have this diamond
Prices start from $341 SGDSave up to $964 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
1.09ct Radiant
$341 SGD