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Radiant|Lab Grown|IGI

1.31ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG825661384

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

Certificate IGI LG825661384

Diamond specifications and retailer prices

From $427 SGD
$334 USD
As of November 1, 2026
Save $2,885 SGD (87%) vs most expensive(unlock to see where)
19 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 LG825661384 or 825661384. Listed at 19 retailers as of November 1, 2026, with a 675% 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 angle25.9°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825661384
Dimensions7.53 × 5.46 × 3.78 mm
L/W Ratio1.38
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
7.53 mm5.46 mm1.31 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825661384
Side View
Table 63.0%Crown 25.9°Girdle: MediumPavilion 38.2°Culet: NoneDepth 69.2%

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: $3,766 SGD|Low: $427 SGD|High: $5,141 SGD|Avg: $1,568 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
November 2, 2026
Retailer 15$427 SGD
Retailer 2$449 SGD
Retailer 8$616 SGD
Retailer 13$697 SGD
Retailer 3$735 SGD
Retailer 10$771 SGD
Retailer 9$788 SGD
Retailer 12$834 SGD
Retailer 5$1,145 SGD
Retailer 16$1,374 SGD
Retailer 6$1,391 SGD
Retailer 4$1,501 SGD
Retailer 7$1,650 SGD
Retailer 11$1,791 SGD
Retailer 14$3,312 SGD
Rare Carat$3,766 SGD

32 data points across 16 retailers

19 retailers$427 SGD to $3,312 SGD

A
Cheapest Retailer
-
$427 SGD
$334 USD
Final sale: no returns
A
Retailer 2
-
$449 SGD
£277 GBP
View
Retailer 3
-
$477 SGD
$373 USD
View
Price last confirmed 31 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 30 days ago
A
Retailer 6
-
$697 SGD
$545 USD
View
A
Retailer 7
-
$735 SGD
$575 USD
View
A
Retailer 8
-
$771 SGD
ZAR 9,734 ZAR
View
A
Retailer 9
-
$788 SGD
£485 GBP
View
A
Retailer 10
-
$834 SGD
€621 EUR
View
B+
Retailer 11
-
$1,145 SGD
$895 USD
View
B+
Retailer 12
-
$1,374 SGD
$1,074 USD
View
B+
Retailer 13
-
$1,391 SGD
$1,088 USD
View
B+
Retailer 14
-
$1,501 SGD
$1,174 USD
View
B+
Retailer 15
-
$1,650 SGD
View
B+
Retailer 16
-
$1,791 SGD
£1,103 GBP
View
Retailer 17
-
$1,980 SGD
$1,548 USD
View
Price last confirmed 33 days ago
B
Retailer 18
-
$3,312 SGD
$2,590 USD
View
Most Expensive
Rare Carat
PD-244044 · Oct 21
$3,766 SGD
$2,945 USD
View
Price last confirmed 12 days ago
18 more retailers have this diamond
Prices start from $427 SGDSave up to $2,885 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
$427 SGD