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Radiant|Lab Grown|IGI

1.09ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG799676981

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

Certificate IGI LG799676981

Diamond specifications and retailer prices

From $402 SGD
$314 USD
As of November 2, 2026
Save $3,236 SGD (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,639 SGD at Brilliant Earth · As of November 2, 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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG799676981 or 799676981. Listed at 22 retailers as of November 2, 2026, with prices from $402 to $3,639, a $3,236 spread on the same certified stone. Brilliant Earth lists it at $3,639. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.6°
Pavilion angle33.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799676981
Dimensions7.60 × 5.02 × 3.37 mm
L/W Ratio1.51
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
7.60 mm5.02 mm1.09 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799676981
Side View
Table 64.0%Crown 42.6°Girdle: MED-STKPavilion 33.8°Culet: NoneDepth 67.1%

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 2
Current: $3,639 SGD|Low: $396 SGD|High: $3,639 SGD|Avg: $1,145 SGD
Brilliant Earth
Retailer 2
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Retailer 21
November 3, 2026
Retailer 4$402 SGD
Retailer 8$450 SGD
Retailer 19$466 SGD
Retailer 3$500 SGD
Retailer 7$500 SGD
Retailer 18$558 SGD
Retailer 17$698 SGD
Retailer 6$808 SGD
Retailer 16$810 SGD
Retailer 9$811 SGD
Retailer 21$853 SGD
Retailer 15$861 SGD
Retailer 2$881 SGD
Retailer 12$1,335 SGD
Retailer 20$1,463 SGD
Retailer 5$1,604 SGD
Retailer 14$1,663 SGD
Retailer 10$1,933 SGD
Retailer 11$1,996 SGD
Retailer 13$2,000 SGD
Brilliant Earth$3,639 SGD

41 data points across 21 retailers

22 retailers$402 SGD to $3,639 SGD

A
Cheapest Retailer
-
$402 SGD
$314 USD
A
Retailer 2
-
$450 SGD
$351 USD
View
Final sale: no returns
A
Retailer 3
-
$466 SGD
$364 USD
View
Retailer 4
-
$500 SGD
$390 USD
View
Price last confirmed 9 days ago
A
Retailer 5
-
$500 SGD
$390 USD
View
A
Retailer 6
-
$558 SGD
HK$3,400 HKD
View
A
Retailer 7
-
$698 SGD
$545 USD
View
B+
Retailer 8
-
$808 SGD
$631 USD
View
A
Retailer 9
-
$810 SGD
€602 EUR
View
B+
Retailer 10
-
$811 SGD
$633 USD
View
B+
Retailer 11
-
$853 SGD
$666 USD
View
B+
Retailer 12
-
$861 SGD
ZAR 10,852 ZAR
View
B+
Retailer 13
-
$881 SGD
£541 GBP
View
B+
Retailer 14
-
$1,335 SGD
View
B+
Retailer 15
-
$1,463 SGD
$1,142 USD
View
B
Retailer 16
-
$1,604 SGD
$1,252 USD
View
B
Retailer 17
-
$1,663 SGD
$1,298 USD
View
B
Retailer 18
-
$1,933 SGD
£1,188 GBP
View
B
Retailer 19
-
$1,996 SGD
$1,558 USD
View
B+
Retailer 20
-
$2,000 SGD
£1,229 GBP
View
B
Retailer 21
-
$2,934 SGD
$2,290 USD
View
Most Expensive
B
Brilliant Earth
20584065A · Nov 2
$3,639 SGD
$2,840 USD
View
21 more retailers have this diamond
Prices start from $402 SGDSave up to $3,236 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
$402 SGD