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Heart|Lab Grown|IGI

1.71ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG612322471

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG612322471

Diamond specifications and retailer prices

From €820 EUR
$916 USD
As of October 30, 2026
Save €3,244 EUR (80%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: €4,064 EUR at Brilliant Earth · As of October 31, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG612322471 or 612322471. Listed at 24 retailers as of October 30, 2026, with prices from €820 to €4,064, a €3,244 spread on the same certified stone. Brilliant Earth lists it at €4,064. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.4°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG612322471
Dimensions7.25 × 8.05 × 4.95 mm
L/W Ratio1.11
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.25 mm8.05 mm1.71 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG612322471
Side View
Table 57.0%Crown 37.4°Girdle: MED-THKPavilion 39.9°Culet: NoneDepth 61.5%

Caratlytics Score

How it works →
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 30
Current: €4,064 EUR|Low: €820 EUR|High: €4,108 EUR|Avg: €2,102 EUR|-1.1%
Brilliant Earth
Retailer 2
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Retailer 22
November 1, 2026
Retailer 14€820 EUR
Retailer 21€892 EUR
Retailer 7€917 EUR
Retailer 10€951 EUR
Retailer 15€980 EUR
Retailer 4€1,110 EUR
Retailer 22€1,214 EUR
Retailer 5€1,317 EUR
Retailer 16€1,443 EUR
Retailer 2€1,464 EUR
Retailer 20€1,546 EUR
Retailer 19€1,571 EUR
Retailer 12€1,932 EUR
Retailer 13€2,368 EUR
Retailer 9€2,674 EUR
Retailer 8€2,975 EUR
Retailer 3€3,113 EUR
Retailer 11€3,191 EUR
Retailer 18€3,242 EUR
Retailer 6€3,305 EUR
Retailer 17€3,866 EUR
Brilliant Earth€4,064 EUR

33 data points across 22 retailers

24 retailers€820 EUR to €4,064 EUR

A
Cheapest Retailer
-
€820 EUR
$916 USD
A
Retailer 2
-
€892 EUR
$996 USD
View
A
Retailer 3
-
€917 EUR
$1,025 USD
View
Final sale: no returns
A
Retailer 4
-
€951 EUR
$1,062 USD
View
Retailer 5
-
€980 EUR
$1,095 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
€1,110 EUR
$1,240 USD
View
B+
Retailer 7
-
€1,214 EUR
$1,356 USD
View
B+
Retailer 8
-
€1,317 EUR
$1,471 USD
View
B+
Retailer 9
-
€1,443 EUR
View
B+
Retailer 10
-
€1,464 EUR
£1,288 GBP
View
B+
Retailer 11
-
€1,546 EUR
A$2,658 AUD
View
B+
Retailer 12
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€1,571 EUR
$1,755 USD
View
B+
Retailer 13
-
€1,932 EUR
$2,158 USD
View
B
Retailer 14
-
€2,368 EUR
A$4,070 AUD
View
B
Retailer 15
-
€2,674 EUR
$2,987 USD
View
B
Retailer 16
-
€2,687 EUR
$3,002 USD
View
B+
Retailer 17
-
€2,689 EUR
$3,004 USD
View
B
Retailer 18
-
€2,975 EUR
$3,324 USD
View
B
Retailer 19
-
€3,113 EUR
$3,478 USD
View
B
Retailer 20
-
€3,191 EUR
SGD 4,818 SGD
View
B
Retailer 21
-
€3,242 EUR
£2,852 GBP
View
B
Retailer 22
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€3,305 EUR
$3,693 USD
View
B
Retailer 23
-
€3,866 EUR
A$6,644 AUD
View
Most Expensive
B
Brilliant Earth
14260839A · Oct 31
€4,064 EUR
$4,540 USD
View
23 more retailers have this diamond
Prices start from €820 EURSave up to €3,244 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
€820 EUR