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Radiant|Lab Grown|IGI

1.27ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG799643654

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

Certificate IGI LG799643654

Diamond specifications and retailer prices

From $428 SGD
£263 GBP
As of November 2, 2026
Save $2,488 SGD (85%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $3,140 SGD at Rare Carat · As of October 18, 2026
View at Rare Carat

About this 1.27ct lab-grown radiant diamond

This 1.27ct 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 LG799643654 or 799643654. Listed at 8 retailers as of November 1, 2026, with a 582% 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

1.27
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799643654
Dimensions7.86 × 5.30 × 3.60 mm
L/W Ratio1.48
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
7.86 mm5.30 mm1.27 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799643654
Side View
Table 60.0%Crown 37.2°Girdle: STK-THKPavilion 36°Culet: NoneDepth 67.9%

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: $3,140 SGD|Low: $388 SGD|High: $4,182 SGD|Avg: $1,548 SGD|+5.4%
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 2, 2026
Retailer 3$388 SGD
Retailer 2$428 SGD
Retailer 14$636 SGD
Retailer 4$870 SGD
Retailer 6$976 SGD
Retailer 5$998 SGD
Retailer 17$1,060 SGD
Retailer 7$1,128 SGD
Retailer 16$1,177 SGD
Retailer 13$1,214 SGD
Retailer 15$1,399 SGD
Retailer 10$1,665 SGD
Retailer 8$1,991 SGD
Retailer 9$2,183 SGD
Retailer 11$2,558 SGD
Retailer 12$2,916 SGD
Rare Carat$3,140 SGD

23 data points across 17 retailers

8 retailers$428 SGD to $2,916 SGD

A+
Cheapest Retailer
-
$428 SGD
£263 GBP
A
Retailer 2
-
$636 SGD
$497 USD
View
B+
Retailer 3
-
$1,214 SGD
$949 USD
View
B+
Retailer 4
-
$1,399 SGD
$1,094 USD
View
B+
Retailer 5
-
$1,665 SGD
£1,025 GBP
View
B
Retailer 6
-
$2,558 SGD
$2,000 USD
View
B
Retailer 7
-
$2,916 SGD
$2,280 USD
View
Most Expensive
Rare Carat
PE-181677 · Oct 18
$3,140 SGD
$2,455 USD
View
Price last confirmed 14 days ago
7 more retailers have this diamond
Prices start from $428 SGDSave up to $2,488 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+
1.27ct Radiant
$428 SGD