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Heart|Lab Grown|IGI

0.91ct D SI1 Heart Lab Grown Diamond

EX • D/SI1 • IGI LG547249509

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG547249509

Diamond specifications and retailer prices

From HK$2,123 HKD
£213 GBP
As of November 1, 2026
Save HK$5,400 HKD (72%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$7,523 HKD at MOH London · As of November 1, 2026
View at MOH London

About this 0.91ct lab-grown heart diamond

This 0.91ct lab-grown heart sits in the just-under-one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG547249509 or 547249509. Listed at 11 retailers as of November 1, 2026, with prices from HK$2,123 to HK$7,523, a HK$5,400 spread on the same certified stone. MOH London lists it at HK$7,523. 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

0.91
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG547249509
Dimensions6.16 × 6.94 × 3.71 mm
L/W Ratio1.13
Girdle conditionFaceted
Culet sizePointed
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
6.16 mm6.94 mm0.91 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG547249509
Side View
Table 59.0%Crown 37.3°Girdle: MED-STKPavilion 37.5°Culet: NoneDepth 53.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: HK$7,523 HKD|Low: HK$1,608 HKD|High: HK$7,613 HKD|Avg: HK$3,565 HKD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 5HK$1,608 HKD
Retailer 2HK$2,123 HKD
Retailer 6HK$2,150 HKD
Retailer 3HK$2,853 HKD
Retailer 8HK$2,887 HKD
Retailer 9HK$3,429 HKD
Retailer 7HK$4,064 HKD
Retailer 4HK$5,468 HKD
MOH LondonHK$7,523 HKD

28 data points across 9 retailers

11 retailersHK$2,123 HKD to HK$7,523 HKD

Retailer 1
-
HK$1,247 HKD
$159 USD
Price last confirmed 27 days ago
Retailer 2
-
HK$1,506 HKD
$192 USD
View
Price last confirmed 33 days ago
Retailer 3
-
HK$1,608 HKD
$205 USD
View
Price last confirmed 27 days ago
A
Retailer 4
-
HK$2,123 HKD
£213 GBP
View
A
Retailer 5
-
HK$2,150 HKD
$274 USD
View
B+
Retailer 6
-
HK$2,853 HKD
£286 GBP
View
B+
Retailer 7
-
HK$2,887 HKD
$368 USD
View
B
Retailer 8
-
HK$4,064 HKD
$518 USD
View
Retailer 9
-
HK$5,170 HKD
$659 USD
View
Price last confirmed 27 days ago
B
Retailer 10
-
HK$5,468 HKD
$697 USD
View
Most Expensive
B
MOH London
LG547249509 · Nov 1
HK$7,523 HKD
£755 GBP
View
10 more retailers have this diamond
Prices start from HK$2,123 HKDSave up to HK$5,400 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
0.91ct Heart
HK$2,123 HKD