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Heart|Lab Grown|IGI

1.09ct E SI1 Heart Lab Grown Diamond

ID • E/SI1 • IGI LG805618652

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG805618652

Diamond specifications and retailer prices

From $220 AUD
As of November 6, 2026
Save $1,056 AUD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,275 AUD at MOH London · As of November 4, 2026
View at MOH London

About this 1.09ct lab-grown heart diamond

This 1.09ct lab-grown heart sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG805618652 or 805618652. Listed at 16 retailers as of November 4, 2026, with prices from $220 to $1,275, a $1,056 spread on the same certified stone. MOH London lists it at $1,275. 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

1.09
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle30.9°
Pavilion angle42.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805618652
Dimensions7.30 × 6.42 × 4.15 mm
L/W Ratio1.14
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.30 mm6.42 mm1.09 ctE / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG805618652
Side View
Table 61.0%Crown 30.9°Girdle: THN-STKPavilion 42.8°Culet: NoneDepth 56.8%

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: Nov 6
Current: $1,275 AUD|Low: $217 AUD|High: $1,397 AUD|Avg: $594 AUD|-4.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 6, 2026
Retailer 9$220 AUD
Retailer 11$246 AUD
Retailer 14$256 AUD
Retailer 3$274 AUD
Retailer 2$352 AUD
Retailer 8$469 AUD
Retailer 15$493 AUD
Retailer 13$501 AUD
Retailer 12$518 AUD
Retailer 7$635 AUD
Retailer 6$713 AUD
Retailer 4$754 AUD
Retailer 10$879 AUD
Retailer 5$888 AUD
MOH London$1,275 AUD

41 data points across 15 retailers

16 retailers$220 AUD to $1,275 AUD

A
Cheapest Retailer
-
$220 AUD
A
Retailer 2
-
$246 AUD
View
Final sale: no returns
A
Retailer 3
-
$256 AUD
View
A
Retailer 4
-
$274 AUD
View
A
Retailer 5
-
$316 AUD
View
A
Retailer 6
-
$352 AUD
View
B+
Retailer 7
-
$469 AUD
View
B+
Retailer 8
-
$493 AUD
View
B+
Retailer 9
-
$501 AUD
View
B+
Retailer 10
-
$518 AUD
View
Retailer 11
-
$635 AUD
View
Price last confirmed 11 days ago
B
Retailer 12
-
$713 AUD
View
B
Retailer 13
-
$754 AUD
View
B
Retailer 14
-
$879 AUD
View
B
Retailer 15
-
$888 AUD
View
Most Expensive
B
MOH London
LG805618652 · Nov 4
$1,275 AUD
£690 GBP
View
15 more retailers have this diamond
Prices start from $220 AUDSave up to $1,056 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
1.09ct Heart
$220 AUD