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Heart|Lab Grown|IGI

1.71ct D VS1 Heart Lab Grown Diamond

EX • D/VS1 • IGI LG834610112

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG834610112

Diamond specifications and retailer prices

From $506 NZD
$285 USD
As of October 30, 2026
Save $241 NZD (32%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $747 NZD at Loose Grown Diamond · As of October 30, 2026
View at Loose Grown Diamond

About this 1.71ct lab-grown heart diamond

This 1.71ct lab-grown heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG834610112 or 834610112. Listed at 2 retailers as of October 30, 2026, with prices from $506 to $747, a $241 spread on the same certified stone. Loose Grown Diamond lists it at $747. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.71
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG834610112
Dimensions7.40 × 8.14 × 4.90 mm
L/W Ratio1.10
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.40 mm8.14 mm1.71 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG834610112
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 38.8°Culet: NoneDepth 60.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $747 NZD|Low: $506 NZD|High: $2,032 NZD|Avg: $1,103 NZD|-21.9%
Loose Grown Diamond
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 28, 2026
Retailer 2$506 NZD
Loose Grown Diamond$747 NZD
Retailer 5$887 NZD
Retailer 3$1,070 NZD
Retailer 4$1,167 NZD
Retailer 6$2,032 NZD

17 data points across 6 retailers

2 retailers$506 NZD to $747 NZD

A
Cheapest Retailer
-
$506 NZD
$285 USD
Final sale: no returns
Most Expensive
B+
Loose Grown Diamond
834610112 · Oct 30
$747 NZD
$421 USD
View
1 more retailer has this diamond
Prices start from $506 NZDSave up to $241 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
1.71ct Heart
$506 NZD