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Heart|Lab Grown|IGI

1.45ct D SI1 Heart Lab Grown Diamond

VG • D/SI1 • IGI LG694599796

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG694599796

Diamond specifications and retailer prices

From $426 NZD
As of November 6, 2026
Save $1,691 NZD (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,117 NZD at MOH London · As of November 2, 2026
View at MOH London

About this 1.45ct lab-grown heart diamond

This 1.45ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG694599796 or 694599796. Listed at 10 retailers as of November 2, 2026, with prices from $426 to $2,117, a $1,691 spread on the same certified stone. MOH London lists it at $2,117. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.45
Carat
D
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle37.7°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG694599796
Dimensions7.22 × 7.54 × 4.51 mm
L/W Ratio1.04
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.22 mm7.54 mm1.45 ctD / SI1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG694599796
Side View
Table 54.0%Crown 37.7°Girdle: THK-VTKPavilion 40.8°Culet: NoneDepth 59.8%

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: $2,117 NZD|Low: $409 NZD|High: $2,142 NZD|Avg: $1,111 NZD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 5$426 NZD
Retailer 8$494 NZD
Retailer 6$529 NZD
Retailer 9$529 NZD
Retailer 2$844 NZD
Retailer 3$989 NZD
Retailer 7$1,697 NZD
Retailer 4$1,703 NZD
Retailer 10$1,791 NZD
MOH London$2,117 NZD

46 data points across 10 retailers

10 retailers$426 NZD to $2,117 NZD

A
Cheapest Retailer
-
$426 NZD
A
Retailer 2
-
$494 NZD
View
B+
Retailer 3
-
$529 NZD
View
Retailer 4
-
$529 NZD
View
Price last confirmed 12 days ago
B+
Retailer 5
-
$844 NZD
View
B+
Retailer 6
-
$989 NZD
View
B
Retailer 7
-
$1,697 NZD
View
B
Retailer 8
-
$1,703 NZD
View
B
Retailer 9
-
$1,791 NZD
View
Most Expensive
B
MOH London
LG694599796 · Nov 2
$2,117 NZD
£924 GBP
View
9 more retailers have this diamond
Prices start from $426 NZDSave up to $1,691 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
1.45ct Heart
$426 NZD