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Radiant|Lab Grown|IGI

1.18ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG800677718

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

Certificate IGI LG800677718

Diamond specifications and retailer prices

From $499 SGD
$390 USD
As of November 1, 2026
Save $2,698 SGD (84%) vs most expensive(unlock to see where)
14 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 LG800677718 or 800677718. Listed at 14 retailers as of November 1, 2026, with prices from $499 to $3,197, a $2,698 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.1°
Pavilion angle33.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800677718
Dimensions7.71 × 5.28 × 3.45 mm
L/W Ratio1.46
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
7.71 mm5.28 mm1.18 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800677718
Side View
Table 62.0%Crown 38.1°Girdle: Slightly ThickPavilion 33.4°Culet: NoneDepth 65.3%

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 1
Current: $3,197 SGD|Low: $499 SGD|High: $4,003 SGD|Avg: $1,604 SGD|+10.6%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 3$499 SGD
Retailer 7$645 SGD
Retailer 11$652 SGD
Retailer 10$733 SGD
Retailer 12$762 SGD
Retailer 2$835 SGD
Retailer 4$1,102 SGD
Retailer 9$1,362 SGD
Retailer 6$1,972 SGD
Retailer 5$2,826 SGD
Retailer 8$3,172 SGD
Rare Carat$3,197 SGD

24 data points across 12 retailers

14 retailers$499 SGD to $3,197 SGD

Retailer 1
-
$376 SGD
$294 USD
Price last confirmed 22 days ago
Retailer 2
-
$436 SGD
$341 USD
View
Price last confirmed 20 days ago
A
Retailer 3
-
$499 SGD
$390 USD
View
Final sale: no returns
A
Retailer 4
-
$645 SGD
$504 USD
View
A
Retailer 5
-
$652 SGD
$510 USD
View
A
Retailer 6
-
$733 SGD
$573 USD
View
A
Retailer 7
-
$762 SGD
$596 USD
View
A
Retailer 8
-
$835 SGD
€622 EUR
View
B+
Retailer 9
-
$1,362 SGD
$1,065 USD
View
Retailer 10
-
$1,655 SGD
$1,294 USD
View
Price last confirmed 23 days ago
B+
Retailer 11
-
$1,972 SGD
£1,214 GBP
View
B
Retailer 12
-
$2,826 SGD
$2,210 USD
View
B
Retailer 13
-
$3,172 SGD
$2,480 USD
View
Most Expensive
B
Rare Carat
B24-49 · Nov 1
$3,197 SGD
$2,500 USD
View
13 more retailers have this diamond
Prices start from $499 SGDSave up to $2,698 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
$499 SGD