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Radiant|Lab Grown|IGI

1.25ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG799644036

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

Certificate IGI LG799644036

Diamond specifications and retailer prices

From $422 SGD
£260 GBP
As of November 2, 2026
Save $2,456 SGD (85%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $3,089 SGD at Rare Carat · As of October 18, 2026
View at Rare Carat

About this 1.25ct lab-grown radiant diamond

This 1.25ct 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 LG799644036 or 799644036. Listed at 8 retailers as of November 1, 2026, with a 583% 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

1.25
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle28.7°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799644036
Dimensions7.48 × 5.12 × 3.74 mm
L/W Ratio1.46
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
7.48 mm5.12 mm1.25 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799644036
Side View
Table 67.0%Crown 28.7°Girdle: Slightly ThickPavilion 38.1°Culet: NoneDepth 73.0%

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: $3,089 SGD|Low: $339 SGD|High: $4,118 SGD|Avg: $1,412 SGD|+5.3%
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 17
November 2, 2026
Retailer 5$339 SGD
Retailer 9$382 SGD
Retailer 2$422 SGD
Retailer 13$628 SGD
Retailer 4$861 SGD
Retailer 7$961 SGD
Retailer 3$985 SGD
Retailer 17$1,043 SGD
Retailer 8$1,096 SGD
Retailer 16$1,157 SGD
Retailer 12$1,197 SGD
Retailer 15$1,383 SGD
Retailer 14$1,644 SGD
Retailer 6$1,964 SGD
Retailer 10$2,507 SGD
Retailer 11$2,878 SGD
Rare Carat$3,089 SGD

21 data points across 17 retailers

8 retailers$422 SGD to $2,878 SGD

A+
Cheapest Retailer
-
$422 SGD
£260 GBP
A
Retailer 2
-
$628 SGD
$491 USD
View
B+
Retailer 3
-
$1,197 SGD
$936 USD
View
B+
Retailer 4
-
$1,383 SGD
$1,082 USD
View
B+
Retailer 5
-
$1,644 SGD
£1,012 GBP
View
B
Retailer 6
-
$2,507 SGD
$1,960 USD
View
B
Retailer 7
-
$2,878 SGD
$2,250 USD
View
Most Expensive
Rare Carat
MR-205299 · Oct 18
$3,089 SGD
$2,415 USD
View
Price last confirmed 15 days ago
7 more retailers have this diamond
Prices start from $422 SGDSave up to $2,456 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+
1.25ct Radiant
$422 SGD