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Heart|Lab Grown|IGI

0.89ct E SI1 Heart Lab Grown Diamond

EX • E/SI1 • IGI LG766665496

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG766665496

Diamond specifications and retailer prices

From €215 EUR
$240 USD
As of October 30, 2026
Save €414 EUR (66%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €843 EUR at MOH London · As of October 25, 2026
View at MOH London

About this 0.89ct lab-grown heart diamond

This 0.89ct lab-grown heart sits in the just-under-one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG766665496 or 766665496. Listed at 6 retailers as of October 30, 2026, with a 193% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.89
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.2°
Pavilion angle42.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG766665496
Dimensions6.18 × 6.49 × 3.91 mm
L/W Ratio1.05
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.18 mm6.49 mm0.89 ctE / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG766665496
Side View
Table 63.0%Crown 34.2°Girdle: MED-STKPavilion 42.7°Culet: NoneDepth 60.2%

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: Oct 30
Current: €843 EUR|Low: €215 EUR|High: €853 EUR|Avg: €418 EUR|-0.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 6€215 EUR
Retailer 2€318 EUR
Retailer 4€326 EUR
Retailer 5€383 EUR
Retailer 3€460 EUR
MOH London€843 EUR

27 data points across 6 retailers

6 retailers€215 EUR to €629 EUR

A
Cheapest Retailer
-
€215 EUR
$240 USD
B+
Retailer 2
-
€318 EUR
£280 GBP
View
B+
Retailer 3
-
€326 EUR
$364 USD
View
B
Retailer 4
-
€460 EUR
$514 USD
View
B
Retailer 5
-
€629 EUR
$702 USD
View
Most Expensive
MOH London
LG766665496 · Oct 25
€843 EUR
£742 GBP
View
Price last confirmed 7 days ago
5 more retailers have this diamond
Prices start from €215 EURSave up to €414 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
0.89ct Heart
€215 EUR