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Heart|Lab Grown|IGI

1.72ct G SI1 Heart Lab Grown Diamond

EX • G/SI1 • IGI LG596339182

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG596339182

Diamond specifications and retailer prices

From $408 NZD
As of November 6, 2026
Save $3,507 NZD (90%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,914 NZD at Do Amore Diamonds · As of November 6, 2026
View at Do Amore Diamonds

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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG596339182 or 596339182. Listed at 13 retailers as of November 6, 2026, with prices from $408 to $3,914, a $3,507 spread on the same certified stone. Do Amore Diamonds lists it at $3,914. 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

1.72
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.3°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG596339182
Dimensions7.67 × 8.24 × 4.86 mm
L/W Ratio1.07
Girdle conditionFaceted
Culet sizePointed
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
7.67 mm8.24 mm1.72 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG596339182
Side View
Table 58.0%Crown 32.3°Girdle: MED-THKPavilion 41.3°Culet: NoneDepth 59.0%

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: $3,914 NZD|Low: $391 NZD|High: $3,914 NZD|Avg: $1,267 NZD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 7$408 NZD
Retailer 10$473 NZD
Retailer 8$505 NZD
Retailer 11$505 NZD
Retailer 2$709 NZD
Retailer 3$951 NZD
Retailer 4$1,048 NZD
Retailer 6$1,627 NZD
Retailer 9$1,789 NZD
Retailer 5$2,230 NZD
Do Amore Diamonds$3,914 NZD

45 data points across 11 retailers

13 retailers$408 NZD to $3,914 NZD

A
Cheapest Retailer
-
$408 NZD
A
Retailer 2
-
$473 NZD
View
A
Retailer 3
-
$505 NZD
View
Retailer 4
-
$505 NZD
View
Price last confirmed 13 days ago
B+
Retailer 5
-
$675 NZD
View
A
Retailer 6
-
$709 NZD
View
A
Retailer 7
-
$850 NZD
View
B+
Retailer 8
-
$1,048 NZD
View
B+
Retailer 9
-
$1,160 NZD
View
B
Retailer 10
-
$1,627 NZD
View
B
Retailer 11
-
$1,789 NZD
View
B
Retailer 12
-
$2,230 NZD
View
Most Expensive
B
Do Amore Diamonds
27-0929F884C · Nov 6
$3,914 NZD
$2,170 USD
View
12 more retailers have this diamond
Prices start from $408 NZDSave up to $3,507 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
1.72ct Heart
$408 NZD