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Heart|Lab Grown|IGI

1.00ct E SI2 Heart Lab Grown Diamond

ID • E/SI2 • IGI LG831648756

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG831648756

Diamond specifications and retailer prices

From $226 AUD
As of November 6, 2026
Save $950 AUD (81%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,176 AUD at MOH London · As of November 4, 2026
View at MOH London

About this 1ct lab-grown heart diamond

This 1ct lab-grown heart sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG831648756 or 831648756. Listed at 16 retailers as of November 4, 2026, with prices from $226 to $1,176, a $950 spread on the same certified stone. MOH London lists it at $1,176. 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

1.00
Carat
E
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831648756
Dimensions6.84 × 6.22 × 4.06 mm
L/W Ratio1.10
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.84 mm6.22 mm1.00 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831648756
Side View
Table 66.0%Crown 34.1°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 59.4%

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: Nov 6
Current: $1,176 AUD|Low: $224 AUD|High: $1,205 AUD|Avg: $580 AUD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 6$226 AUD
Retailer 3$297 AUD
Retailer 2$335 AUD
Retailer 4$386 AUD
Retailer 5$426 AUD
Retailer 10$434 AUD
Retailer 8$472 AUD
Retailer 7$479 AUD
Retailer 9$646 AUD
Retailer 11$697 AUD
Retailer 12$815 AUD
MOH London$1,176 AUD

42 data points across 12 retailers

16 retailers$226 AUD to $1,176 AUD

Retailer 1
-
$205 AUD
Price last confirmed 20 days ago
A
Retailer 2
-
$226 AUD
View
Final sale: no returns
Retailer 3
-
$239 AUD
View
Price last confirmed 22 days ago
Retailer 4
-
$255 AUD
View
Price last confirmed 22 days ago
A
Retailer 5
-
$297 AUD
View
A
Retailer 6
-
$335 AUD
View
Retailer 7
-
$386 AUD
View
Price last confirmed 12 days ago
B+
Retailer 8
-
$426 AUD
View
B+
Retailer 9
-
$434 AUD
View
B+
Retailer 10
-
$472 AUD
View
B+
Retailer 11
-
$479 AUD
View
B
Retailer 12
-
$646 AUD
View
B
Retailer 13
-
$697 AUD
View
B
Retailer 14
-
$815 AUD
View
Retailer 15
-
$819 AUD
View
Price last confirmed 21 days ago
Most Expensive
B
MOH London
LG831648756 · Nov 4
$1,176 AUD
£636 GBP
View
15 more retailers have this diamond
Prices start from $226 AUDSave up to $950 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
1.00ct Heart
$226 AUD