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Radiant|Lab Grown|IGI

1.31ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG804649668

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

Certificate IGI LG804649668

Diamond specifications and retailer prices

From $380 SGD
$297 USD
As of November 3, 2026
Save $2,792 SGD (88%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $3,766 SGD at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 1.31ct lab-grown radiant diamond

This 1.31ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG804649668 or 804649668. Listed at 21 retailers as of November 2, 2026, with a 735% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.31
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804649668
Dimensions7.73 × 5.35 × 3.67 mm
L/W Ratio1.44
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
7.73 mm5.35 mm1.31 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804649668
Side View
Table 65.0%Crown 37.6°Girdle: MED-STKPavilion 39.2°Culet: NoneDepth 68.6%

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 3
Current: $3,766 SGD|Low: $380 SGD|High: $5,141 SGD|Avg: $1,461 SGD|-1.5%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 3, 2026
Retailer 10$380 SGD
Retailer 15$433 SGD
Retailer 9$616 SGD
Retailer 3$684 SGD
Retailer 7$721 SGD
Retailer 16$753 SGD
Retailer 5$761 SGD
Retailer 12$806 SGD
Retailer 17$834 SGD
Retailer 8$1,141 SGD
Retailer 13$1,270 SGD
Retailer 6$1,340 SGD
Retailer 2$1,418 SGD
Retailer 11$1,517 SGD
Retailer 14$1,686 SGD
Retailer 4$3,172 SGD
Rare Carat$3,766 SGD

33 data points across 17 retailers

21 retailers$380 SGD to $3,172 SGD

A
Cheapest Retailer
-
$380 SGD
$297 USD
Final sale: no returns
A
Retailer 2
-
$433 SGD
£267 GBP
View
Retailer 3
-
$477 SGD
$373 USD
View
Price last confirmed 32 days ago
Retailer 4
-
$556 SGD
$435 USD
View
Price last confirmed 36 days ago
Retailer 5
-
$616 SGD
$482 USD
View
Price last confirmed 31 days ago
A
Retailer 6
-
$684 SGD
$535 USD
View
A
Retailer 7
-
$721 SGD
$564 USD
View
A
Retailer 8
-
$753 SGD
ZAR 9,507 ZAR
View
A
Retailer 9
-
$761 SGD
$595 USD
View
A
Retailer 10
-
$806 SGD
£496 GBP
View
A
Retailer 11
-
$834 SGD
€621 EUR
View
B+
Retailer 12
-
$1,141 SGD
$892 USD
View
B+
Retailer 13
-
$1,270 SGD
$993 USD
View
B+
Retailer 14
-
$1,340 SGD
$1,048 USD
View
Retailer 15
-
$1,354 SGD
$1,059 USD
View
Price last confirmed 28 days ago
B+
Retailer 16
-
$1,418 SGD
$1,109 USD
View
B+
Retailer 17
-
$1,517 SGD
View
B+
Retailer 18
-
$1,686 SGD
£1,038 GBP
View
Retailer 19
-
$1,980 SGD
$1,548 USD
View
Price last confirmed 33 days ago
B
Retailer 20
-
$3,172 SGD
$2,480 USD
View
Most Expensive
Rare Carat
ACP-208191 · Oct 21
$3,766 SGD
$2,945 USD
View
Price last confirmed 12 days ago
20 more retailers have this diamond
Prices start from $380 SGDSave up to $2,792 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
1.31ct Radiant
$380 SGD