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Radiant|Lab Grown|IGI

1.09ct D SI2 Radiant Lab Grown Diamond

ID • D/SI2 • IGI LG529266600

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

Certificate IGI LG529266600

Diamond specifications and retailer prices

From $199 SGD
$155 USD
As of October 27, 2026
Save $1,006 SGD (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,205 SGD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.09ct lab-grown radiant diamond

This 1.09ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG529266600 or 529266600. Listed at 17 retailers as of October 27, 2026, with prices from $199 to $1,205, a $1,006 spread on the same certified stone. Brilliant Earth lists it at $1,205. 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
D
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.6°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG529266600
Dimensions7.35 × 5.16 × 3.42 mm
L/W Ratio1.42
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.35 mm5.16 mm1.09 ctD / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG529266600
Side View
Table 64.0%Crown 40.6°Girdle: Slightly ThickPavilion 35.3°Culet: NoneDepth 66.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: $1,205 SGD|Low: $196 SGD|High: $1,205 SGD|Avg: $518 SGD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 29, 2026
Retailer 4$199 SGD
Retailer 5$222 SGD
Retailer 17$231 SGD
Retailer 2$246 SGD
Retailer 9$254 SGD
Retailer 10$331 SGD
Retailer 16$333 SGD
Retailer 3$413 SGD
Retailer 15$429 SGD
Retailer 14$467 SGD
Retailer 6$474 SGD
Retailer 12$562 SGD
Retailer 7$635 SGD
Retailer 8$660 SGD
Retailer 13$791 SGD
Retailer 11$1,156 SGD
Brilliant Earth$1,205 SGD

44 data points across 17 retailers

17 retailers$199 SGD to $1,205 SGD

A
Cheapest Retailer
-
$199 SGD
$155 USD
A
Retailer 2
-
$222 SGD
$173 USD
View
Final sale: no returns
A
Retailer 3
-
$231 SGD
$180 USD
View
A
Retailer 4
-
$246 SGD
$192 USD
View
A
Retailer 5
-
$254 SGD
$198 USD
View
A
Retailer 6
-
$331 SGD
£203 GBP
View
B+
Retailer 7
-
$333 SGD
$260 USD
View
A
Retailer 8
-
$413 SGD
$322 USD
View
A
Retailer 9
-
$429 SGD
£263 GBP
View
A
Retailer 10
-
$467 SGD
£287 GBP
View
A
Retailer 11
-
$474 SGD
€352 EUR
View
B+
Retailer 12
-
$562 SGD
$438 USD
View
B+
Retailer 13
-
$635 SGD
$495 USD
View
Price last confirmed 8 days ago
B+
Retailer 14
-
$660 SGD
$515 USD
View
B+
Retailer 15
-
$791 SGD
$617 USD
View
B
Retailer 16
-
$1,156 SGD
£710 GBP
View
Most Expensive
B
Brilliant Earth
11259460A · Oct 28
$1,205 SGD
$940 USD
View
16 more retailers have this diamond
Prices start from $199 SGDSave up to $1,006 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
$199 SGD