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Heart|Lab Grown|IGI

1.10ct E SI1 Heart Lab Grown Diamond

ID • E/SI1 • IGI LG851621135

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG851621135

Diamond specifications and retailer prices

From $226 SGD
As of November 6, 2026
Save $941 SGD (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,167 SGD at MOH London · As of November 4, 2026
View at MOH London

About this 1.1ct lab-grown heart diamond

This 1.1ct lab-grown heart sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG851621135 or 851621135. Listed at 10 retailers as of November 4, 2026, with prices from $226 to $1,167, a $941 spread on the same certified stone. MOH London lists it at $1,167. 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

1.10
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29.9°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG851621135
Dimensions7.11 × 6.84 × 3.90 mm
L/W Ratio1.04
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.11 mm6.84 mm1.10 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG851621135
Side View
Table 65.0%Crown 29.9°Girdle: STK-THKPavilion 38.7°Culet: NoneDepth 54.9%

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: $1,167 SGD|Low: $226 SGD|High: $1,170 SGD|Avg: $531 SGD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 7$226 SGD
Retailer 2$323 SGD
Retailer 8$340 SGD
Retailer 5$431 SGD
Retailer 9$432 SGD
Retailer 3$434 SGD
Retailer 6$475 SGD
Retailer 4$657 SGD
Retailer 10$875 SGD
MOH London$1,167 SGD

7 data points across 10 retailers

10 retailers$226 SGD to $1,167 SGD

A
Cheapest Retailer
-
$226 SGD
Final sale: no returns
A
Retailer 2
-
$323 SGD
View
B+
Retailer 3
-
$340 SGD
View
B+
Retailer 4
-
$431 SGD
View
B+
Retailer 5
-
$432 SGD
View
B+
Retailer 6
-
$434 SGD
View
B+
Retailer 7
-
$475 SGD
View
B+
Retailer 8
-
$657 SGD
View
B
Retailer 9
-
$875 SGD
View
Most Expensive
B
MOH London
LG851621135 · Nov 4
$1,167 SGD
£717 GBP
View
9 more retailers have this diamond
Prices start from $226 SGDSave up to $941 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
1.10ct Heart
$226 SGD