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Heart|Lab Grown|IGI

1.71ct D VS1 Heart Lab Grown Diamond

EX • D/VS1 • IGI LG791637154

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG791637154

Diamond specifications and retailer prices

From $255 USD
As of October 27, 2026
Save $1,805 USD (88%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $2,060 USD at Brilliant Earth · As of October 28, 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 LG791637154 or 791637154. Listed at 20 retailers as of October 27, 2026, with prices from $255 to $2,060, a $1,805 spread on the same certified stone. Brilliant Earth lists it at $2,060. 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
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG791637154
Dimensions7.29 × 8.22 × 5.04 mm
L/W Ratio1.13
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.29 mm8.22 mm1.71 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG791637154
Side View
Table 58.0%Crown 36.2°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: $2,060 USD|Low: $255 USD|High: $2,760 USD|Avg: $783 USD|-15.6%
Brilliant Earth
Retailer 2
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 11
Retailer 12
Retailer 13
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Retailer 15
Retailer 16
Retailer 17
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Retailer 19
Retailer 20
October 30, 2026
Retailer 19$255 USD
Retailer 8$286 USD
Retailer 5$296 USD
Retailer 3$316 USD
Retailer 4$316 USD
Retailer 18$354 USD
Retailer 16$475 USD
Retailer 9$528 USD
Retailer 14$544 USD
Retailer 2$602 USD
Retailer 11$651 USD
Retailer 10$663 USD
Retailer 15$738 USD
Retailer 17$972 USD
Retailer 20$1,017 USD
Retailer 12$1,069 USD
Retailer 6$1,245 USD
Retailer 13$1,275 USD
Retailer 7$1,370 USD
Brilliant Earth$2,060 USD

37 data points across 20 retailers

20 retailers$255 USD to $2,060 USD

A
Cheapest Retailer
-
$255 USD
A
Retailer 2
-
$286 USD
View
Final sale: no returns
A
Retailer 3
-
$296 USD
View
A
Retailer 4
-
$316 USD
View
A
Retailer 5
-
$316 USD
View
Retailer 6
-
$354 USD
£279 GBP
View
Price last confirmed 13 days ago
A
Retailer 7
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$475 USD
View
A
Retailer 8
-
$528 USD
View
A
Retailer 9
-
$544 USD
ZAR 8,783 ZAR
View
A
Retailer 10
-
$602 USD
£474 GBP
View
B+
Retailer 11
-
$651 USD
View
B+
Retailer 12
-
$663 USD
View
B+
Retailer 13
-
$738 USD
A$1,135 AUD
View
B+
Retailer 14
-
$972 USD
View
B+
Retailer 15
-
$1,017 USD
View
B
Retailer 16
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$1,069 USD
View
B
Retailer 17
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$1,245 USD
View
B
Retailer 18
-
$1,275 USD
£1,004 GBP
View
B
Retailer 19
-
$1,370 USD
View
Most Expensive
B
Brilliant Earth
18633194A · Oct 28
$2,060 USD
View
19 more retailers have this diamond
Prices start from $255 USDSave up to $1,805 USD

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
$255 USD