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Heart|Lab Grown|IGI

1.73ct F SI1 Heart Lab Grown Diamond

ID • F/SI1 • IGI LG630464029

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG630464029

Diamond specifications and retailer prices

From $388 AUD
$272 USD
As of November 2, 2026
Save $1,544 AUD (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,932 AUD at MOH London · As of November 2, 2026
View at MOH London

About this 1.73ct lab-grown heart diamond

This 1.73ct lab-grown heart sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG630464029 or 630464029. Listed at 14 retailers as of November 2, 2026, with prices from $388 to $1,932, a $1,544 spread on the same certified stone. MOH London lists it at $1,932. 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

1.73
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG630464029
Dimensions7.24 × 8.52 × 4.85 mm
L/W Ratio1.18
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.24 mm8.52 mm1.73 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG630464029
Side View
Table 60.0%Crown 35.3°Girdle: MED-STKPavilion 38.6°Culet: NoneDepth 56.9%

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 2
Current: $1,932 AUD|Low: $298 AUD|High: $1,955 AUD|Avg: $944 AUD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 7$388 AUD
Retailer 8$435 AUD
Retailer 6$649 AUD
Retailer 4$706 AUD
Retailer 3$754 AUD
Retailer 2$848 AUD
Retailer 11$865 AUD
Retailer 9$868 AUD
Retailer 5$1,184 AUD
Retailer 10$1,622 AUD
MOH London$1,932 AUD

38 data points across 11 retailers

14 retailers$388 AUD to $1,932 AUD

A
Cheapest Retailer
-
$388 AUD
$272 USD
A
Retailer 2
-
$435 AUD
$305 USD
View
Final sale: no returns
A
Retailer 3
-
$451 AUD
$316 USD
View
A
Retailer 4
-
$482 AUD
$338 USD
View
Retailer 5
-
$482 AUD
$338 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$649 AUD
$455 USD
View
A
Retailer 7
-
$706 AUD
$495 USD
View
B+
Retailer 8
-
$848 AUD
£468 GBP
View
B+
Retailer 9
-
$865 AUD
$606 USD
View
B+
Retailer 10
-
$868 AUD
$608 USD
View
B+
Retailer 11
-
$1,184 AUD
$830 USD
View
B
Retailer 12
-
$1,550 AUD
$1,086 USD
View
B
Retailer 13
-
$1,622 AUD
$1,137 USD
View
Most Expensive
B
MOH London
LG630464029 · Nov 2
$1,932 AUD
£1,066 GBP
View
13 more retailers have this diamond
Prices start from $388 AUDSave up to $1,544 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
1.73ct Heart
$388 AUD