Heart|Lab Grown|IGI

1.72ct G VS1 Heart Lab Grown Diamond

ID • G/VS1 • IGI LG537225791

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG537225791

Diamond specifications and retailer prices

From $1,908 AUD
$1,340 USD
As of October 31, 2026
Save $2,356 AUD (55%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $6,288 AUD at Loose Grown Diamond · As of November 1, 2026
View at Loose Grown Diamond

About this 1.72ct lab-grown heart diamond

This 1.72ct lab-grown heart sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG537225791 or 537225791. Listed at 16 retailers as of October 31, 2026, with a 124% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.72
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG537225791
Dimensions8.40 × 7.70 × 4.68 mm
L/W Ratio1.09
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.40 mm7.70 mm1.72 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG537225791
Side View
Table 62.5%Crown 34.5°Girdle: MED-THKPavilion 40.1°Culet: NoneDepth 55.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $6,288 AUD|Low: $1,908 AUD|High: $10,942 AUD|Avg: $6,028 AUD|+0.6%
Loose Grown Diamond
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 9$1,908 AUD
Retailer 11$3,476 AUD
Retailer 4$3,783 AUD
Retailer 5$3,892 AUD
Retailer 12$4,033 AUD
Retailer 3$5,543 AUD
Retailer 7$5,555 AUD
Retailer 10$6,046 AUD
Loose Grown Diamond$6,288 AUD
Retailer 8$7,414 AUD
Retailer 6$10,041 AUD
Retailer 13$10,770 AUD
Retailer 2$10,799 AUD

42 data points across 13 retailers

16 retailers$1,908 AUD to $4,264 AUD

B+
Cheapest Retailer
-
$1,908 AUD
$1,340 USD
B
Retailer 2
-
$3,476 AUD
$2,442 USD
View
B
Retailer 3
-
$3,783 AUD
$2,657 USD
View
B
Retailer 4
-
$3,892 AUD
$2,734 USD
View
Final sale: no returns
B
Retailer 5
-
$4,033 AUD
$2,833 USD
View
Retailer 6
-
$4,033 AUD
$2,833 USD
View
Price last confirmed 20 days ago
B
Retailer 7
-
$4,264 AUD
$2,995 USD
View
Retailer 8
-
$5,543 AUD
$3,894 USD
View
Price under review
Retailer 9
-
$5,555 AUD
£3,073 GBP
View
Price under review
Retailer 10
-
$6,046 AUD
$4,247 USD
View
Price under review
Most Expensive
Loose Grown Diamond
537225791 · Nov 1
$6,288 AUD
$4,417 USD
View
Price under review
10 more retailers have this diamond
Prices start from $1,908 AUDSave up to $2,356 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.

B+
1.72ct Heart
$1,908 AUD