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Heart|Lab Grown|IGI

1.71ct D VS1 Heart Lab Grown Diamond

EX • D/VS1 • IGI LG791637134

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG791637134

Diamond specifications and retailer prices

From $363 AUD
$255 USD
As of October 30, 2026
Save $2,570 AUD (88%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,933 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 LG791637134 or 791637134. Listed at 21 retailers as of October 30, 2026, with prices from $363 to $2,933, a $2,570 spread on the same certified stone. Brilliant Earth lists it at $2,933. 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 angle36.3°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG791637134
Dimensions7.59 × 8.20 × 4.87 mm
L/W Ratio1.08
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.59 mm8.20 mm1.71 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG791637134
Side View
Table 58.0%Crown 36.3°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 59.4%

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 30
Current: $2,933 AUD|Low: $363 AUD|High: $3,929 AUD|Avg: $1,104 AUD|-15.6%
Brilliant Earth
Retailer 2
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Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 11
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Retailer 13
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Retailer 17
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Retailer 21
October 31, 2026
Retailer 20$363 AUD
Retailer 9$407 AUD
Retailer 6$421 AUD
Retailer 3$450 AUD
Retailer 5$450 AUD
Retailer 19$504 AUD
Retailer 4$698 AUD
Retailer 10$752 AUD
Retailer 2$761 AUD
Retailer 16$774 AUD
Retailer 13$859 AUD
Retailer 12$927 AUD
Retailer 11$944 AUD
Retailer 17$1,050 AUD
Retailer 18$1,384 AUD
Retailer 21$1,448 AUD
Retailer 14$1,521 AUD
Retailer 7$1,772 AUD
Retailer 15$1,815 AUD
Retailer 8$1,950 AUD
Brilliant Earth$2,933 AUD

37 data points across 21 retailers

21 retailers$363 AUD to $2,933 AUD

A
Cheapest Retailer
-
$363 AUD
$255 USD
A
Retailer 2
-
$407 AUD
$286 USD
View
Final sale: no returns
A
Retailer 3
-
$421 AUD
$296 USD
View
A
Retailer 4
-
$450 AUD
$316 USD
View
A
Retailer 5
-
$450 AUD
$316 USD
View
Retailer 6
-
$504 AUD
£279 GBP
View
Price last confirmed 14 days ago
A
Retailer 7
-
$698 AUD
$490 USD
View
A
Retailer 8
-
$752 AUD
$528 USD
View
A
Retailer 9
-
$761 AUD
€509 EUR
View
A
Retailer 10
-
$774 AUD
ZAR 8,783 ZAR
View
B+
Retailer 11
-
$859 AUD
£475 GBP
View
B+
Retailer 12
-
$927 AUD
$651 USD
View
B+
Retailer 13
-
$944 AUD
$663 USD
View
B+
Retailer 14
-
$1,050 AUD
View
B+
Retailer 15
-
$1,384 AUD
$972 USD
View
B+
Retailer 16
-
$1,448 AUD
$1,017 USD
View
B
Retailer 17
-
$1,521 AUD
$1,069 USD
View
B
Retailer 18
-
$1,772 AUD
$1,245 USD
View
B
Retailer 19
-
$1,815 AUD
£1,004 GBP
View
B
Retailer 20
-
$1,950 AUD
$1,370 USD
View
Most Expensive
B
Brilliant Earth
18670314A · Oct 30
$2,933 AUD
$2,060 USD
View
20 more retailers have this diamond
Prices start from $363 AUDSave up to $2,570 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
$363 AUD