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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 $343 AUD
As of November 6, 2026
Save $1,364 AUD (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,708 AUD 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 $343 to $1,708, a $1,364 spread on the same certified stone. MOH London lists it at $1,708. 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: $1,708 AUD|Low: $330 AUD|High: $1,728 AUD|Avg: $897 AUD|-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$343 AUD
Retailer 8$399 AUD
Retailer 6$426 AUD
Retailer 9$426 AUD
Retailer 2$681 AUD
Retailer 3$798 AUD
Retailer 7$1,370 AUD
Retailer 4$1,374 AUD
Retailer 10$1,445 AUD
MOH London$1,708 AUD

46 data points across 10 retailers

10 retailers$343 AUD to $1,708 AUD

A
Cheapest Retailer
-
$343 AUD
A
Retailer 2
-
$399 AUD
View
B+
Retailer 3
-
$426 AUD
View
Retailer 4
-
$426 AUD
View
Price last confirmed 12 days ago
B+
Retailer 5
-
$681 AUD
View
B+
Retailer 6
-
$798 AUD
View
B
Retailer 7
-
$1,370 AUD
View
B
Retailer 8
-
$1,374 AUD
View
B
Retailer 9
-
$1,445 AUD
View
Most Expensive
B
MOH London
LG694599796 · Nov 2
$1,708 AUD
£924 GBP
View
9 more retailers have this diamond
Prices start from $343 AUDSave up to $1,364 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
1.45ct Heart
$343 AUD