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Radiant|Lab Grown|IGI

1.09ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG566310953

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

Certificate IGI LG566310953

Diamond specifications and retailer prices

From $179 SGD
$140 USD
As of November 2, 2026
Save $1,547 SGD (90%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,727 SGD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

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 LG566310953 or 566310953. Listed at 15 retailers as of November 2, 2026, with prices from $179 to $1,727, a $1,547 spread on the same certified stone. Do Amore Diamonds lists it at $1,727. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.6°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG566310953
Dimensions7.48 × 4.99 × 3.41 mm
L/W Ratio1.50
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.48 mm4.99 mm1.09 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG566310953
Side View
Table 66.0%Crown 42.6°Girdle: MediumPavilion 35°Culet: NoneDepth 68.3%

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 2
Current: $319 SGD|Low: $173 SGD|High: $1,163 SGD|Avg: $457 SGD|-1.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 10$179 SGD
Retailer 4$201 SGD
Retailer 2$208 SGD
Retailer 3$223 SGD
Retailer 11$223 SGD
Retailer 1$319 SGD
Retailer 13$414 SGD
Retailer 6$430 SGD
Retailer 7$467 SGD
Retailer 5$637 SGD
Retailer 9$757 SGD
Retailer 12$790 SGD
Retailer 8$1,156 SGD

44 data points across 13 retailers

15 retailers$179 SGD to $1,727 SGD

A
Cheapest Retailer
-
$179 SGD
$140 USD
A
Retailer 2
-
$201 SGD
$157 USD
View
Final sale: no returns
A
Retailer 3
-
$208 SGD
$163 USD
View
Retailer 4
-
$223 SGD
$174 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$223 SGD
$174 USD
View
A
Retailer 6
-
$319 SGD
£196 GBP
View
A
Retailer 7
-
$336 SGD
$263 USD
View
B+
Retailer 8
-
$414 SGD
$324 USD
View
A
Retailer 9
-
$430 SGD
£265 GBP
View
A
Retailer 10
-
$467 SGD
£288 GBP
View
B+
Retailer 11
-
$637 SGD
$498 USD
View
B+
Retailer 12
-
$757 SGD
$592 USD
View
B
Retailer 13
-
$790 SGD
$618 USD
View
B
Retailer 14
-
$1,156 SGD
£712 GBP
View
Most Expensive
B
Do Amore Diamonds
27-965C3C97B · Nov 2
$1,727 SGD
$1,350 USD
View
14 more retailers have this diamond
Prices start from $179 SGDSave up to $1,547 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
$179 SGD