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Heart|Lab Grown|IGI

3.09ct D SI1 Heart Lab Grown Diamond

ID • D/SI1 • IGI LG743556975

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG743556975

Diamond specifications and retailer prices

From $478 SGD
$374 USD
As of October 30, 2026
Save $1,853 SGD (79%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,331 SGD at MOH London · As of October 29, 2026
View at MOH London

About this 3.09ct lab-grown heart diamond

This 3.09ct lab-grown heart sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG743556975 or 743556975. Listed at 13 retailers as of October 29, 2026, with prices from $478 to $2,331, a $1,853 spread on the same certified stone. MOH London lists it at $2,331. 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

3.09
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743556975
Dimensions9.15 × 10.39 × 5.66 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
9.15 mm10.39 mm3.09 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG743556975
Side View
Table 60.0%Crown 34.7°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 54.5%

Caratlytics Score

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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: Oct 30
Current: $2,331 SGD|Low: $478 SGD|High: $6,827 SGD|Avg: $1,609 SGD
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
October 31, 2026
Retailer 5$478 SGD
Retailer 4$555 SGD
Retailer 10$593 SGD
Retailer 14$655 SGD
Retailer 11$786 SGD
Retailer 9$812 SGD
Retailer 3$945 SGD
Retailer 12$997 SGD
Retailer 2$1,064 SGD
Retailer 6$1,259 SGD
Retailer 8$1,664 SGD
Retailer 13$1,907 SGD
Retailer 15$1,997 SGD
MOH London$2,331 SGD
Retailer 7$6,827 SGD

5 data points across 15 retailers

13 retailers$478 SGD to $2,331 SGD

A
Cheapest Retailer
-
$478 SGD
$374 USD
A
Retailer 2
-
$555 SGD
$434 USD
View
A
Retailer 3
-
$593 SGD
$464 USD
View
A
Retailer 4
-
$655 SGD
HK$4,000 HKD
View
A
Retailer 5
-
$786 SGD
$615 USD
View
A
Retailer 6
-
$812 SGD
£500 GBP
View
B+
Retailer 7
-
$945 SGD
$739 USD
View
A
Retailer 8
-
$997 SGD
$780 USD
View
A
Retailer 9
-
$1,064 SGD
£655 GBP
View
B
Retailer 10
-
$1,664 SGD
$1,302 USD
View
B+
Retailer 11
-
$1,907 SGD
$1,492 USD
View
B
Retailer 12
-
$1,997 SGD
$1,562 USD
View
Most Expensive
B
MOH London
LG743556975 · Oct 29
$2,331 SGD
£1,436 GBP
View
12 more retailers have this diamond
Prices start from $478 SGDSave up to $1,853 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
3.09ct Heart
$478 SGD