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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 $385 AUD
£213 GBP
As of November 1, 2026
Save $980 AUD (72%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,365 AUD 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 $385 to $1,365, a $980 spread on the same certified stone. MOH London lists it at $1,365. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $1,365 AUD|Low: $292 AUD|High: $1,381 AUD|Avg: $647 AUD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 5$292 AUD
Retailer 2$385 AUD
Retailer 6$390 AUD
Retailer 3$518 AUD
Retailer 8$524 AUD
Retailer 9$622 AUD
Retailer 7$737 AUD
Retailer 4$992 AUD
MOH London$1,365 AUD

28 data points across 9 retailers

11 retailers$385 AUD to $1,365 AUD

Retailer 1
-
$226 AUD
$159 USD
Price last confirmed 27 days ago
Retailer 2
-
$273 AUD
$192 USD
View
Price last confirmed 33 days ago
Retailer 3
-
$292 AUD
$205 USD
View
Price last confirmed 27 days ago
A
Retailer 4
-
$385 AUD
£213 GBP
View
A
Retailer 5
-
$390 AUD
$274 USD
View
B+
Retailer 6
-
$518 AUD
£286 GBP
View
B+
Retailer 7
-
$524 AUD
$368 USD
View
B
Retailer 8
-
$737 AUD
$518 USD
View
Retailer 9
-
$938 AUD
$659 USD
View
Price last confirmed 27 days ago
B
Retailer 10
-
$992 AUD
$697 USD
View
Most Expensive
B
MOH London
LG547249509 · Nov 1
$1,365 AUD
£755 GBP
View
10 more retailers have this diamond
Prices start from $385 AUDSave up to $980 AUD

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
$385 AUD