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Heart|Lab Grown|IGI

1.27ct E SI1 Heart Lab Grown Diamond

ID • E/SI1 • IGI LG659468456

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG659468456

Diamond specifications and retailer prices

From $192 SGD
As of November 6, 2026
Save $924 SGD (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,117 SGD at MOH London · As of November 2, 2026
View at MOH London

About this 1.27ct lab-grown heart diamond

This 1.27ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG659468456 or 659468456. Listed at 13 retailers as of November 2, 2026, with prices from $192 to $1,117, a $924 spread on the same certified stone. MOH London lists it at $1,117. 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
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG659468456
Dimensions7.53 × 6.62 × 4.48 mm
L/W Ratio1.14
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.53 mm6.62 mm1.27 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG659468456
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 59.5%

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: $1,117 SGD|Low: $185 SGD|High: $1,130 SGD|Avg: $497 SGD|-0.1%
MOH London
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
November 6, 2026
Retailer 11$192 SGD
Retailer 3$223 SGD
Retailer 5$238 SGD
Retailer 12$238 SGD
Retailer 9$310 SGD
Retailer 2$409 SGD
Retailer 14$438 SGD
Retailer 8$464 SGD
Retailer 4$542 SGD
Retailer 6$564 SGD
Retailer 7$590 SGD
Retailer 13$768 SGD
Retailer 10$810 SGD
MOH London$1,117 SGD

45 data points across 14 retailers

13 retailers$192 SGD to $1,117 SGD

A
Cheapest Retailer
-
$192 SGD
A
Retailer 2
-
$223 SGD
View
A
Retailer 3
-
$238 SGD
View
Retailer 4
-
$238 SGD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$409 SGD
View
B+
Retailer 6
-
$438 SGD
View
A
Retailer 7
-
$464 SGD
View
B+
Retailer 8
-
$542 SGD
View
B+
Retailer 9
-
$564 SGD
View
B+
Retailer 10
-
$590 SGD
View
B+
Retailer 11
-
$768 SGD
View
B+
Retailer 12
-
$810 SGD
View
Most Expensive
B
MOH London
LG659468456 · Nov 2
$1,117 SGD
£686 GBP
View
12 more retailers have this diamond
Prices start from $192 SGDSave up to $924 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 Heart
$192 SGD