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Radiant|Lab Grown|IGI

1.18ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG811638307

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

Certificate IGI LG811638307

Diamond specifications and retailer prices

From $401 SGD
£247 GBP
As of November 2, 2026
Save $2,797 SGD (87%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $3,197 SGD at Rare Carat · As of November 1, 2026
View at Rare Carat

About this 1.18ct lab-grown radiant diamond

This 1.18ct 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 LG811638307 or 811638307. Listed at 8 retailers as of November 1, 2026, with prices from $401 to $3,197, a $2,797 spread on the same certified stone. Rare Carat lists it at $3,197. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.18
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811638307
Dimensions7.39 × 5.20 × 3.60 mm
L/W Ratio1.42
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
7.39 mm5.20 mm1.18 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811638307
Side View
Table 63.0%Crown 44°Girdle: MediumPavilion 35.4°Culet: NoneDepth 69.2%

Caratlytics Score

How it works →
A+
Exceptional
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $3,197 SGD|Low: $320 SGD|High: $3,888 SGD|Avg: $1,355 SGD|+9.9%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 16
November 2, 2026
Retailer 4$320 SGD
Retailer 7$362 SGD
Retailer 2$401 SGD
Retailer 16$563 SGD
Retailer 13$602 SGD
Retailer 5$916 SGD
Retailer 3$934 SGD
Retailer 15$985 SGD
Retailer 6$989 SGD
Retailer 12$1,137 SGD
Retailer 14$1,328 SGD
Retailer 9$1,559 SGD
Retailer 8$1,867 SGD
Retailer 10$2,366 SGD
Retailer 11$2,724 SGD
Rare Carat$3,197 SGD

21 data points across 16 retailers

8 retailers$401 SGD to $3,197 SGD

A+
Cheapest Retailer
-
$401 SGD
£247 GBP
A
Retailer 2
-
$602 SGD
$471 USD
View
B+
Retailer 3
-
$1,137 SGD
$889 USD
View
B+
Retailer 4
-
$1,328 SGD
$1,039 USD
View
B+
Retailer 5
-
$1,559 SGD
£960 GBP
View
B
Retailer 6
-
$2,366 SGD
$1,850 USD
View
B
Retailer 7
-
$2,724 SGD
$2,130 USD
View
Most Expensive
B
Rare Carat
PD-223068 · Nov 1
$3,197 SGD
$2,500 USD
View
7 more retailers have this diamond
Prices start from $401 SGDSave up to $2,797 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+
1.18ct Radiant
$401 SGD