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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 HK$2,934 HKD
$374 USD
As of October 30, 2026
Save HK$11,374 HKD (79%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$14,308 HKD 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 HK$2,934 to HK$14,308, a HK$11,374 spread on the same certified stone. MOH London lists it at HK$14,308. 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: HK$14,308 HKD|Low: HK$2,934 HKD|High: HK$41,896 HKD|Avg: HK$9,873 HKD
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 5HK$2,934 HKD
Retailer 4HK$3,405 HKD
Retailer 10HK$3,640 HKD
Retailer 14HK$4,017 HKD
Retailer 11HK$4,825 HKD
Retailer 9HK$4,981 HKD
Retailer 3HK$5,798 HKD
Retailer 12HK$6,120 HKD
Retailer 2HK$6,527 HKD
Retailer 6HK$7,727 HKD
Retailer 8HK$10,215 HKD
Retailer 13HK$11,706 HKD
Retailer 15HK$12,255 HKD
MOH LondonHK$14,308 HKD
Retailer 7HK$41,896 HKD

5 data points across 15 retailers

13 retailersHK$2,934 HKD to HK$14,308 HKD

A
Cheapest Retailer
-
HK$2,934 HKD
$374 USD
A
Retailer 2
-
HK$3,405 HKD
$434 USD
View
A
Retailer 3
-
HK$3,640 HKD
$464 USD
View
A
Retailer 4
-
HK$4,017 HKD
View
A
Retailer 5
-
HK$4,825 HKD
$615 USD
View
A
Retailer 6
-
HK$4,981 HKD
£500 GBP
View
B+
Retailer 7
-
HK$5,798 HKD
$739 USD
View
A
Retailer 8
-
HK$6,120 HKD
$780 USD
View
A
Retailer 9
-
HK$6,527 HKD
£655 GBP
View
B
Retailer 10
-
HK$10,215 HKD
$1,302 USD
View
B+
Retailer 11
-
HK$11,706 HKD
$1,492 USD
View
B
Retailer 12
-
HK$12,255 HKD
$1,562 USD
View
Most Expensive
B
MOH London
LG743556975 · Oct 29
HK$14,308 HKD
£1,436 GBP
View
12 more retailers have this diamond
Prices start from HK$2,934 HKDSave up to HK$11,374 HKD

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
HK$2,934 HKD