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Round|Lab Grown|IGI

1.27ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • IGI LG615372660

Shape and cutting style on the report: Round brilliant

Certificate IGI LG615372660

Diamond specifications and retailer prices

From $304 SGD
As of November 6, 2026
Save $1,047 SGD (78%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,351 SGD at MOH London · As of November 1, 2026
View at MOH London

About this 1.27ct lab-grown round diamond

This 1.27ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG615372660 or 615372660. Listed at 17 retailers as of November 1, 2026, with prices from $304 to $1,351, a $1,047 spread on the same certified stone. MOH London lists it at $1,351. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.27
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG615372660
Dimensions6.90 × 6.87 × 4.31 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.90 mm6.87 mm1.27 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG615372660
Side View
Table 57.0%Crown 34.9°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.6%

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: Nov 6
Current: $1,351 SGD|Low: $304 SGD|High: $1,367 SGD|Avg: $697 SGD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 10$304 SGD
Retailer 8$337 SGD
Retailer 9$455 SGD
Retailer 7$536 SGD
Retailer 2$611 SGD
Retailer 3$615 SGD
Retailer 6$666 SGD
Retailer 5$1,087 SGD
Retailer 4$1,218 SGD
MOH London$1,351 SGD

42 data points across 10 retailers

17 retailers$304 SGD to $1,351 SGD

Retailer 1
-
$272 SGD
Price last confirmed 45 days ago
A
Retailer 2
-
$304 SGD
View
Final sale: no returns
Retailer 3
-
$315 SGD
View
Price last confirmed 45 days ago
Retailer 4
-
$333 SGD
View
Price last confirmed 42 days ago
B+
Retailer 5
-
$455 SGD
View
A
Retailer 6
-
$536 SGD
View
B+
Retailer 7
-
$611 SGD
View
B+
Retailer 8
-
$615 SGD
View
B+
Retailer 9
-
$666 SGD
View
B
Retailer 10
-
$882 SGD
View
Retailer 11
-
$1,083 SGD
View
Price last confirmed 46 days ago
B
Retailer 12
-
$1,087 SGD
View
B
Retailer 13
-
$1,094 SGD
View
B
Retailer 14
-
$1,151 SGD
View
B
Retailer 15
-
$1,192 SGD
View
B
Retailer 16
-
$1,218 SGD
View
Most Expensive
B
MOH London
LG615372660 · Nov 1
$1,351 SGD
£830 GBP
View
16 more retailers have this diamond
Prices start from $304 SGDSave up to $1,047 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 Round
$304 SGD