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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 $347 SGD
£214 GBP
As of October 30, 2026
Save $885 SGD (72%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,232 SGD at MOH London · As of October 29, 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 October 29, 2026, with prices from $347 to $1,232, a $885 spread on the same certified stone. MOH London lists it at $1,232. 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

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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: $1,232 SGD|Low: $262 SGD|High: $1,240 SGD|Avg: $581 SGD|-0.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 5$262 SGD
Retailer 3$347 SGD
Retailer 6$350 SGD
Retailer 2$465 SGD
Retailer 8$470 SGD
Retailer 9$559 SGD
Retailer 7$662 SGD
Retailer 4$891 SGD
MOH London$1,232 SGD

27 data points across 9 retailers

11 retailers$347 SGD to $1,232 SGD

Retailer 1
-
$203 SGD
$159 USD
Price last confirmed 26 days ago
Retailer 2
-
$245 SGD
$192 USD
View
Price last confirmed 32 days ago
Retailer 3
-
$262 SGD
$205 USD
View
Price last confirmed 26 days ago
A
Retailer 4
-
$347 SGD
£214 GBP
View
B+
Retailer 5
-
$350 SGD
$274 USD
View
B+
Retailer 6
-
$465 SGD
£286 GBP
View
B+
Retailer 7
-
$470 SGD
$368 USD
View
B
Retailer 8
-
$662 SGD
$518 USD
View
Retailer 9
-
$842 SGD
$659 USD
View
Price last confirmed 27 days ago
B
Retailer 10
-
$891 SGD
$697 USD
View
Most Expensive
B
MOH London
LG547249509 · Oct 29
$1,232 SGD
£759 GBP
View
10 more retailers have this diamond
Prices start from $347 SGDSave up to $885 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
0.91ct Heart
$347 SGD