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Heart|Lab Grown|IGI

1.09ct D SI1 Heart Lab Grown Diamond

ID • D/SI1 • IGI LG694511505

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG694511505

Diamond specifications and retailer prices

From $182 SGD
As of November 6, 2026
Save $874 SGD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,056 SGD at MOH London · As of November 2, 2026
View at MOH London

About this 1.09ct lab-grown heart diamond

This 1.09ct lab-grown heart sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG694511505 or 694511505. Listed at 14 retailers as of November 2, 2026, with prices from $182 to $1,056, a $874 spread on the same certified stone. MOH London lists it at $1,056. 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

1.09
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG694511505
Dimensions6.68 × 7.25 × 3.95 mm
L/W Ratio1.09
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.68 mm7.25 mm1.09 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG694511505
Side View
Table 61.0%Crown 34.6°Girdle: THN-MEDPavilion 38.1°Culet: NoneDepth 54.5%

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: $1,056 SGD|Low: $182 SGD|High: $1,089 SGD|Avg: $530 SGD|-0.5%
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
Retailer 15
Retailer 16
November 6, 2026
Retailer 6$182 SGD
Retailer 4$211 SGD
Retailer 12$226 SGD
Retailer 5$261 SGD
Retailer 9$268 SGD
Retailer 10$383 SGD
Retailer 2$401 SGD
Retailer 16$420 SGD
Retailer 3$428 SGD
Retailer 15$461 SGD
Retailer 13$543 SGD
Retailer 14$725 SGD
Retailer 11$766 SGD
MOH London$1,056 SGD
Retailer 7$1,080 SGD
Retailer 8$1,089 SGD

11 data points across 16 retailers

14 retailers$182 SGD to $1,056 SGD

A
Cheapest Retailer
-
$182 SGD
A
Retailer 2
-
$211 SGD
View
A
Retailer 3
-
$226 SGD
View
A
Retailer 4
-
$261 SGD
View
A
Retailer 5
-
$268 SGD
View
A
Retailer 6
-
$383 SGD
View
B+
Retailer 7
-
$401 SGD
View
B+
Retailer 8
-
$420 SGD
View
B+
Retailer 9
-
$428 SGD
View
B+
Retailer 10
-
$461 SGD
View
B+
Retailer 11
-
$543 SGD
View
B
Retailer 12
-
$725 SGD
View
B
Retailer 13
-
$766 SGD
View
Most Expensive
B
MOH London
LG694511505 · Nov 2
$1,056 SGD
£649 GBP
View
13 more retailers have this diamond
Prices start from $182 SGDSave up to $874 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
1.09ct Heart
$182 SGD