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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 $256 NZD
As of November 6, 2026
Save $1,231 NZD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,487 NZD 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 $256 to $1,487, a $1,231 spread on the same certified stone. MOH London lists it at $1,487. 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: $1,487 NZD|Low: $256 NZD|High: $1,533 NZD|Avg: $746 NZD|-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$256 NZD
Retailer 4$298 NZD
Retailer 12$317 NZD
Retailer 5$368 NZD
Retailer 9$377 NZD
Retailer 10$539 NZD
Retailer 2$565 NZD
Retailer 16$592 NZD
Retailer 3$603 NZD
Retailer 15$649 NZD
Retailer 13$765 NZD
Retailer 14$1,021 NZD
Retailer 11$1,079 NZD
MOH London$1,487 NZD
Retailer 7$1,521 NZD
Retailer 8$1,533 NZD

11 data points across 16 retailers

14 retailers$256 NZD to $1,487 NZD

A
Cheapest Retailer
-
$256 NZD
A
Retailer 2
-
$298 NZD
View
A
Retailer 3
-
$317 NZD
View
A
Retailer 4
-
$368 NZD
View
A
Retailer 5
-
$377 NZD
View
A
Retailer 6
-
$539 NZD
View
B+
Retailer 7
-
$565 NZD
View
B+
Retailer 8
-
$592 NZD
View
B+
Retailer 9
-
$603 NZD
View
B+
Retailer 10
-
$649 NZD
View
B+
Retailer 11
-
$765 NZD
View
B
Retailer 12
-
$1,021 NZD
View
B
Retailer 13
-
$1,079 NZD
View
Most Expensive
B
MOH London
LG694511505 · Nov 2
$1,487 NZD
£649 GBP
View
13 more retailers have this diamond
Prices start from $256 NZDSave up to $1,231 NZD

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
$256 NZD