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Heart|Lab Grown|IGI

1.09ct D SI1 Heart Lab Grown Diamond

ID • D/SI1 • IGI LG694511505

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG694511505

Diamond specifications and retailer prices

From $207 AUD
As of November 6, 2026
Save $993 AUD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,200 AUD at MOH London · As of November 2, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG694511505 or 694511505. Listed at 14 retailers as of November 2, 2026, with prices from $207 to $1,200, a $993 spread on the same certified stone. MOH London lists it at $1,200. 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
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG694511505
Dimensions6.68 × 7.25 × 3.95 mm
L/W Ratio1.09
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.68 mm7.25 mm1.09 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG694511505
Side View
Table 61.0%Crown 34.6°Girdle: THN-MEDPavilion 38.1°Culet: NoneDepth 54.5%

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: $1,200 AUD|Low: $207 AUD|High: $1,237 AUD|Avg: $602 AUD|-0.5%
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
Retailer 16
November 6, 2026
Retailer 6$207 AUD
Retailer 4$240 AUD
Retailer 12$256 AUD
Retailer 5$297 AUD
Retailer 9$304 AUD
Retailer 10$435 AUD
Retailer 2$456 AUD
Retailer 16$477 AUD
Retailer 3$486 AUD
Retailer 15$524 AUD
Retailer 13$617 AUD
Retailer 14$824 AUD
Retailer 11$870 AUD
MOH London$1,200 AUD
Retailer 7$1,227 AUD
Retailer 8$1,237 AUD

11 data points across 16 retailers

14 retailers$207 AUD to $1,200 AUD

A
Cheapest Retailer
-
$207 AUD
A
Retailer 2
-
$240 AUD
View
A
Retailer 3
-
$256 AUD
View
A
Retailer 4
-
$297 AUD
View
A
Retailer 5
-
$304 AUD
View
A
Retailer 6
-
$435 AUD
View
B+
Retailer 7
-
$456 AUD
View
B+
Retailer 8
-
$477 AUD
View
B+
Retailer 9
-
$486 AUD
View
B+
Retailer 10
-
$524 AUD
View
B+
Retailer 11
-
$617 AUD
View
B
Retailer 12
-
$824 AUD
View
B
Retailer 13
-
$870 AUD
View
Most Expensive
B
MOH London
LG694511505 · Nov 2
$1,200 AUD
£649 GBP
View
13 more retailers have this diamond
Prices start from $207 AUDSave up to $993 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
$207 AUD