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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 $323 AUD
$227 USD
As of October 23, 2026
Save $1,940 AUD (86%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,264 AUD 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 23, 2026, with prices from $323 to $2,264, a $1,940 spread on the same certified stone. Brilliant Earth lists it at $2,264. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 23
Current: $2,264 AUD|Low: $323 AUD|High: $2,392 AUD|Avg: $1,027 AUD|-5.4%
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 5
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Retailer 11
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Retailer 22
October 30, 2026
Retailer 3$323 AUD
Retailer 14$360 AUD
Retailer 21$374 AUD
Retailer 4$400 AUD
Retailer 17$447 AUD
Retailer 13$649 AUD
Retailer 20$677 AUD
Retailer 6$679 AUD
Retailer 18$743 AUD
Retailer 11$772 AUD
Retailer 9$913 AUD
Retailer 16$935 AUD
Retailer 5$1,051 AUD
Retailer 22$1,287 AUD
Retailer 15$1,300 AUD
Retailer 12$1,362 AUD
Retailer 19$1,607 AUD
Retailer 8$1,624 AUD
Retailer 10$1,630 AUD
Retailer 2$1,700 AUD
Retailer 7$1,821 AUD
Brilliant Earth$2,264 AUD

28 data points across 22 retailers

22 retailers$323 AUD to $2,264 AUD

A
Cheapest Retailer
-
$323 AUD
$227 USD
A
Retailer 2
-
$374 AUD
$263 USD
View
A
Retailer 3
-
$400 AUD
$281 USD
View
A
Retailer 4
-
$447 AUD
£247 GBP
View
A
Retailer 5
-
$456 AUD
HK$2,500 HKD
View
A
Retailer 6
-
$649 AUD
€434 EUR
View
Retailer 7
-
$677 AUD
ZAR 7,682 ZAR
View
Price last confirmed 7 days ago
B+
Retailer 8
-
$679 AUD
$477 USD
View
A
Retailer 9
-
$743 AUD
£411 GBP
View
A
Retailer 10
-
$772 AUD
$542 USD
View
B+
Retailer 11
-
$913 AUD
$641 USD
View
B+
Retailer 12
-
$935 AUD
View
B+
Retailer 13
-
$1,051 AUD
$738 USD
View
B+
Retailer 14
-
$1,287 AUD
$904 USD
View
B+
Retailer 15
-
$1,300 AUD
SGD 1,234 SGD
View
B+
Retailer 16
-
$1,362 AUD
$956 USD
View
B+
Retailer 17
-
$1,607 AUD
£889 GBP
View
B
Retailer 18
-
$1,624 AUD
$1,141 USD
View
B+
Retailer 19
-
$1,630 AUD
$1,145 USD
View
B
Retailer 20
-
$1,700 AUD
View
B
Retailer 21
-
$1,821 AUD
$1,279 USD
View
Most Expensive
B
Brilliant Earth
15575121A · Oct 30
$2,264 AUD
$1,590 USD
View
21 more retailers have this diamond
Prices start from $323 AUDSave up to $1,940 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.

A
1.71ct Heart
$323 AUD