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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 €204 EUR
$227 USD
As of October 23, 2026
Save €1,224 EUR (86%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €1,428 EUR 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 LG728526423 or 728526423. Listed at 23 retailers as of October 23, 2026, with prices from €204 to €1,428, a €1,224 spread on the same certified stone. Brilliant Earth lists it at €1,428. 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: €1,428 EUR|Low: €204 EUR|High: €1,509 EUR|Avg: €655 EUR|-5.4%
Brilliant Earth
Retailer 2
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Retailer 22
October 29, 2026
Retailer 22€204 EUR
Retailer 12€227 EUR
Retailer 20€236 EUR
Retailer 3€252 EUR
Retailer 16€282 EUR
Retailer 2€409 EUR
Retailer 19€427 EUR
Retailer 5€428 EUR
Retailer 17€469 EUR
Retailer 10€487 EUR
Retailer 8€576 EUR
Retailer 13€590 EUR
Retailer 4€663 EUR
Retailer 21€812 EUR
Retailer 14€820 EUR
Retailer 11€859 EUR
Retailer 18€1,014 EUR
Retailer 7€1,025 EUR
Retailer 9€1,028 EUR
Retailer 15€1,079 EUR
Retailer 6€1,149 EUR
Brilliant Earth€1,428 EUR

27 data points across 22 retailers

23 retailers€204 EUR to €1,428 EUR

A
Cheapest Retailer
-
€204 EUR
$227 USD
A
Retailer 2
-
€227 EUR
$253 USD
View
Final sale: no returns
A
Retailer 3
-
€236 EUR
$263 USD
View
A
Retailer 4
-
€252 EUR
$281 USD
View
A
Retailer 5
-
€282 EUR
£247 GBP
View
A
Retailer 6
-
€287 EUR
HK$2,500 HKD
View
A
Retailer 7
-
€409 EUR
View
A
Retailer 8
-
€427 EUR
ZAR 7,682 ZAR
View
B+
Retailer 9
-
€428 EUR
$477 USD
View
A
Retailer 10
-
€469 EUR
£411 GBP
View
A
Retailer 11
-
€487 EUR
$542 USD
View
B+
Retailer 12
-
€576 EUR
$641 USD
View
B+
Retailer 13
-
€590 EUR
A$1,010 AUD
View
B+
Retailer 14
-
€663 EUR
$738 USD
View
B+
Retailer 15
-
€812 EUR
$904 USD
View
B+
Retailer 16
-
€820 EUR
SGD 1,234 SGD
View
B+
Retailer 17
-
€859 EUR
$956 USD
View
B+
Retailer 18
-
€1,014 EUR
£889 GBP
View
B
Retailer 19
-
€1,025 EUR
$1,141 USD
View
B+
Retailer 20
-
€1,028 EUR
$1,145 USD
View
B
Retailer 21
-
€1,079 EUR
A$1,848 AUD
View
Price last confirmed 21 days ago
B
Retailer 22
-
€1,149 EUR
$1,279 USD
View
Most Expensive
B
Brilliant Earth
15575121A · Oct 28
€1,428 EUR
$1,590 USD
View
22 more retailers have this diamond
Prices start from €204 EURSave up to €1,224 EUR

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
€204 EUR