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Heart|Lab Grown|IGI

1.00ct E SI2 Heart Lab Grown Diamond

ID • E/SI2 • IGI LG831648756

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG831648756

Diamond specifications and retailer prices

From $199 SGD
As of November 6, 2026
Save $837 SGD (81%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,035 SGD at MOH London · As of November 4, 2026
View at MOH London

About this 1ct lab-grown heart diamond

This 1ct lab-grown heart sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG831648756 or 831648756. Listed at 16 retailers as of November 4, 2026, with prices from $199 to $1,035, a $837 spread on the same certified stone. MOH London lists it at $1,035. 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

1.00
Carat
E
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831648756
Dimensions6.84 × 6.22 × 4.06 mm
L/W Ratio1.10
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.84 mm6.22 mm1.00 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831648756
Side View
Table 66.0%Crown 34.1°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 59.4%

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: $1,035 SGD|Low: $197 SGD|High: $1,061 SGD|Avg: $511 SGD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 6$199 SGD
Retailer 3$261 SGD
Retailer 2$295 SGD
Retailer 4$340 SGD
Retailer 5$376 SGD
Retailer 10$382 SGD
Retailer 8$415 SGD
Retailer 7$422 SGD
Retailer 9$569 SGD
Retailer 11$614 SGD
Retailer 12$718 SGD
MOH London$1,035 SGD

42 data points across 12 retailers

16 retailers$199 SGD to $1,035 SGD

Retailer 1
-
$181 SGD
Price last confirmed 20 days ago
A
Retailer 2
-
$199 SGD
View
Final sale: no returns
Retailer 3
-
$210 SGD
View
Price last confirmed 22 days ago
Retailer 4
-
$224 SGD
View
Price last confirmed 22 days ago
A
Retailer 5
-
$261 SGD
View
A
Retailer 6
-
$295 SGD
View
Retailer 7
-
$340 SGD
View
Price last confirmed 12 days ago
B+
Retailer 8
-
$376 SGD
View
B+
Retailer 9
-
$382 SGD
View
B+
Retailer 10
-
$415 SGD
View
B+
Retailer 11
-
$422 SGD
View
B
Retailer 12
-
$569 SGD
View
B
Retailer 13
-
$614 SGD
View
B
Retailer 14
-
$718 SGD
View
Retailer 15
-
$722 SGD
View
Price last confirmed 21 days ago
Most Expensive
B
MOH London
LG831648756 · Nov 4
$1,035 SGD
£636 GBP
View
15 more retailers have this diamond
Prices start from $199 SGDSave up to $837 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
1.00ct Heart
$199 SGD