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Heart|Lab Grown|IGI

1.71ct D VS1 Heart Lab Grown Diamond

ID • D/VS1 • IGI LG728526423

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG728526423

Diamond specifications and retailer prices

From $467 NZD
$263 USD
As of October 24, 2026
Save $2,354 NZD (83%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,821 NZD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

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 LG728526423 or 728526423. Listed at 22 retailers as of October 24, 2026, with prices from $467 to $2,821, a $2,354 spread on the same certified stone. Brilliant Earth lists it at $2,821. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG728526423
Dimensions8.33 × 7.79 × 4.69 mm
L/W Ratio1.07
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.33 mm7.79 mm1.71 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG728526423
Side View
Table 62.0%Crown 34.3°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 56.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 24
Current: $2,821 NZD|Low: $403 NZD|High: $2,981 NZD|Avg: $1,302 NZD|-5.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
October 31, 2026
Retailer 6$403 NZD
Retailer 15$449 NZD
Retailer 4$467 NZD
Retailer 7$499 NZD
Retailer 20$557 NZD
Retailer 18$809 NZD
Retailer 3$844 NZD
Retailer 9$846 NZD
Retailer 21$926 NZD
Retailer 12$962 NZD
Retailer 16$1,160 NZD
Retailer 19$1,165 NZD
Retailer 8$1,309 NZD
Retailer 2$1,599 NZD
Retailer 5$1,604 NZD
Retailer 14$1,697 NZD
Retailer 13$1,998 NZD
Retailer 22$2,003 NZD
Retailer 11$2,032 NZD
Retailer 17$2,119 NZD
Retailer 10$2,270 NZD
Brilliant Earth$2,821 NZD

28 data points across 22 retailers

22 retailers$467 NZD to $2,821 NZD

Retailer 1
-
$403 NZD
$227 USD
Price last confirmed 7 days ago
A
Retailer 2
-
$467 NZD
$263 USD
View
A
Retailer 3
-
$499 NZD
$281 USD
View
A
Retailer 4
-
$557 NZD
£247 GBP
View
A
Retailer 5
-
$568 NZD
HK$2,500 HKD
View
A
Retailer 6
-
$809 NZD
€434 EUR
View
Retailer 7
-
$844 NZD
ZAR 7,682 ZAR
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$846 NZD
$477 USD
View
A
Retailer 9
-
$926 NZD
£411 GBP
View
A
Retailer 10
-
$962 NZD
$542 USD
View
B+
Retailer 11
-
$1,160 NZD
$654 USD
View
B+
Retailer 12
-
$1,165 NZD
A$1,010 AUD
View
B+
Retailer 13
-
$1,309 NZD
$738 USD
View
B+
Retailer 14
-
$1,599 NZD
SGD 1,218 SGD
View
B+
Retailer 15
-
$1,604 NZD
$904 USD
View
B+
Retailer 16
-
$1,697 NZD
$956 USD
View
B
Retailer 17
-
$1,998 NZD
$1,126 USD
View
B+
Retailer 18
-
$2,003 NZD
£889 GBP
View
B+
Retailer 19
-
$2,032 NZD
$1,145 USD
View
B
Retailer 20
-
$2,119 NZD
A$1,837 AUD
View
B
Retailer 21
-
$2,270 NZD
$1,279 USD
View
Most Expensive
B
Brilliant Earth
15575121A · Oct 30
$2,821 NZD
$1,590 USD
View
21 more retailers have this diamond
Prices start from $467 NZDSave up to $2,354 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
$467 NZD