CaratHunter
Plans
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 €243 EUR
£214 GBP
As of October 30, 2026
Save €620 EUR (72%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €863 EUR 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 €243 to €863, a €620 spread on the same certified stone. MOH London lists it at €863. 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
Color
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: Oct 30
Current: €863 EUR|Low: €183 EUR|High: €868 EUR|Avg: €407 EUR|-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€183 EUR
Retailer 3€243 EUR
Retailer 6€245 EUR
Retailer 2€325 EUR
Retailer 8€329 EUR
Retailer 9€391 EUR
Retailer 7€464 EUR
Retailer 4€624 EUR
MOH London€863 EUR

27 data points across 9 retailers

11 retailers€243 EUR to €863 EUR

Retailer 1
-
€142 EUR
$159 USD
Price last confirmed 27 days ago
Retailer 2
-
€172 EUR
$192 USD
View
Price last confirmed 33 days ago
Retailer 3
-
€183 EUR
$205 USD
View
Price last confirmed 27 days ago
A
Retailer 4
-
€243 EUR
£214 GBP
View
B+
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 27 days ago
B
Retailer 10
-
€624 EUR
$697 USD
View
Most Expensive
B
MOH London
LG547249509 · Oct 29
€863 EUR
£759 GBP
View
10 more retailers have this diamond
Prices start from €243 EURSave up to €620 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
€243 EUR