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Heart|Lab Grown|IGI

1.00ct F SI1 Heart Lab Grown Diamond

ID • F/SI1 • IGI LG813619747

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG813619747

Diamond specifications and retailer prices

From $382 SGD
As of November 6, 2026
Save $761 SGD (67%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,143 SGD at MOH London · As of November 1, 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG813619747 or 813619747. Listed at 10 retailers as of November 1, 2026, with prices from $382 to $1,143, a $761 spread on the same certified stone. MOH London lists it at $1,143. 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
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG813619747
Dimensions6.97 × 6.12 × 4.08 mm
L/W Ratio1.14
Girdle conditionFaceted
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
6.97 mm6.12 mm1.00 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG813619747
Side View
Table 61.0%Crown 35.5°Girdle: STK-THKPavilion 41°Culet: NoneDepth 58.5%

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: $1,143 SGD|Low: $401 SGD|High: $1,143 SGD|Avg: $681 SGD|+1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 2$420 SGD
Retailer 7$446 SGD
Retailer 8$464 SGD
Retailer 4$590 SGD
Retailer 3$648 SGD
Retailer 5$651 SGD
Retailer 6$731 SGD
Retailer 9$855 SGD
MOH London$1,143 SGD

43 data points across 9 retailers

10 retailers$382 SGD to $1,143 SGD

A
Cheapest Retailer
-
$382 SGD
A
Retailer 2
-
$420 SGD
View
A
Retailer 3
-
$446 SGD
View
A
Retailer 4
-
$464 SGD
View
B+
Retailer 5
-
$590 SGD
View
B+
Retailer 6
-
$648 SGD
View
B+
Retailer 7
-
$651 SGD
View
B+
Retailer 8
-
$731 SGD
View
B+
Retailer 9
-
$855 SGD
View
Most Expensive
B
MOH London
LG813619747 · Nov 1
$1,143 SGD
£702 GBP
View
9 more retailers have this diamond
Prices start from $382 SGDSave up to $761 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
$382 SGD