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Radiant|Lab Grown|IGI

1.27ct F IF Radiant Lab Grown Diamond

ID • F/IF • IGI LG745508235

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

Certificate IGI LG745508235

Diamond specifications and retailer prices

From $555 SGD
$433 USD
As of October 28, 2026
Save $2,214 SGD (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,769 SGD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

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 F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG745508235 or 745508235. Listed at 13 retailers as of October 28, 2026, with prices from $555 to $2,769, a $2,214 spread on the same certified stone. Brilliant Earth lists it at $2,769. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.27
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.2°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG745508235
Dimensions7.41 × 5.34 × 3.79 mm
L/W Ratio1.39
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
7.41 mm5.34 mm1.27 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG745508235
Side View
Table 65.0%Crown 46.2°Girdle: MediumPavilion 37.3°Culet: NoneDepth 71.0%

Caratlytics Score

How it works →
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: Oct 28
Current: $2,769 SGD|Low: $203 SGD|High: $2,859 SGD|Avg: $1,285 SGD|-3.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 27, 2026
Retailer 10$285 SGD
Retailer 7$555 SGD
Retailer 4$636 SGD
Retailer 2$862 SGD
Retailer 6$917 SGD
Retailer 8$1,108 SGD
Retailer 3$1,413 SGD
Retailer 9$1,571 SGD
Retailer 5$2,474 SGD
Brilliant Earth$2,769 SGD

23 data points across 10 retailers

13 retailers$555 SGD to $2,769 SGD

A
Retailer 1
-
$273 SGD
$213 USD
Price last confirmed 21 days ago
A
Retailer 2
-
$327 SGD
$255 USD
View
Price last confirmed 31 days ago
A
Retailer 3
-
$555 SGD
$433 USD
View
A
Retailer 4
-
$636 SGD
$496 USD
View
A
Retailer 5
-
$862 SGD
A$1,034 AUD
View
A
Retailer 6
-
$917 SGD
$715 USD
View
A
Retailer 7
-
$977 SGD
$762 USD
View
B+
Retailer 8
-
$1,108 SGD
$864 USD
View
B+
Retailer 9
-
$1,201 SGD
$937 USD
View
Price last confirmed 21 days ago
B+
Retailer 10
-
$1,413 SGD
£868 GBP
View
B+
Retailer 11
-
$1,571 SGD
$1,225 USD
View
Price last confirmed 24 days ago
B
Retailer 12
-
$2,474 SGD
$1,930 USD
View
Most Expensive
B
Brilliant Earth
21415425Y · Oct 28
$2,769 SGD
$2,160 USD
View
12 more retailers have this diamond
Prices start from $555 SGDSave up to $2,214 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
$555 SGD