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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 €242 EUR
£213 GBP
As of November 1, 2026
Save €616 EUR (72%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €858 EUR 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 €242 to €858, a €616 spread on the same certified stone. MOH London lists it at €858. 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: Nov 1
Current: €858 EUR|Low: €183 EUR|High: €868 EUR|Avg: €407 EUR|-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€183 EUR
Retailer 2€242 EUR
Retailer 6€245 EUR
Retailer 3€325 EUR
Retailer 8€329 EUR
Retailer 9€391 EUR
Retailer 7€464 EUR
Retailer 4€624 EUR
MOH London€858 EUR

28 data points across 9 retailers

11 retailers€242 EUR to €858 EUR

Retailer 1
-
€142 EUR
$159 USD
Price last confirmed 27 days ago
Retailer 2
-
€172 EUR
$192 USD
View
Price last confirmed 34 days ago
Retailer 3
-
€183 EUR
$205 USD
View
Price last confirmed 27 days ago
A
Retailer 4
-
€242 EUR
£213 GBP
View
A
Retailer 5
-
€245 EUR
$274 USD
View
B+
Retailer 6
-
€325 EUR
£286 GBP
View
B+
Retailer 7
-
€329 EUR
$368 USD
View
B
Retailer 8
-
€464 EUR
$518 USD
View
Retailer 9
-
€590 EUR
$659 USD
View
Price last confirmed 28 days ago
B
Retailer 10
-
€624 EUR
$697 USD
View
Most Expensive
B
MOH London
LG547249509 · Nov 1
€858 EUR
£755 GBP
View
10 more retailers have this diamond
Prices start from €242 EURSave up to €616 EUR

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
€242 EUR