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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 $2,378 NZD
$1,340 USD
As of October 31, 2026
Save $2,936 NZD (55%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $7,837 NZD 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: $7,837 NZD|Low: $2,378 NZD|High: $13,637 NZD|Avg: $7,516 NZD|+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 2, 2026
Retailer 9$2,378 NZD
Retailer 11$4,333 NZD
Retailer 4$4,714 NZD
Retailer 5$4,851 NZD
Retailer 12$5,027 NZD
Retailer 3$6,909 NZD
Retailer 2$6,924 NZD
Retailer 10$7,535 NZD
Loose Grown Diamond$7,837 NZD
Retailer 8$9,241 NZD
Retailer 7$12,514 NZD
Retailer 13$13,423 NZD
Retailer 6$13,459 NZD

43 data points across 13 retailers

16 retailers$2,378 NZD to $5,314 NZD

B+
Cheapest Retailer
-
$2,378 NZD
$1,340 USD
B
Retailer 2
-
$4,333 NZD
$2,442 USD
View
B
Retailer 3
-
$4,714 NZD
$2,657 USD
View
B
Retailer 4
-
$4,851 NZD
$2,734 USD
View
Final sale: no returns
B
Retailer 5
-
$5,027 NZD
$2,833 USD
View
Retailer 6
-
$5,027 NZD
$2,833 USD
View
Price last confirmed 20 days ago
B
Retailer 7
-
$5,314 NZD
$2,995 USD
View
Retailer 8
-
$6,909 NZD
$3,894 USD
View
Price under review
Retailer 9
-
$6,924 NZD
£3,073 GBP
View
Price under review
Retailer 10
-
$7,535 NZD
$4,247 USD
View
Price under review
Most Expensive
Loose Grown Diamond
537225791 · Nov 1
$7,837 NZD
$4,417 USD
View
Price under review
10 more retailers have this diamond
Prices start from $2,378 NZDSave up to $2,936 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.

B+
1.72ct Heart
$2,378 NZD