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Heart|Lab Grown|IGI

1.71ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG818683416

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG818683416

Diamond specifications and retailer prices

From €569 EUR
$636 USD
As of October 30, 2026
Save €4,479 EUR (89%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €5,048 EUR at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818683416 or 818683416. Listed at 14 retailers as of October 30, 2026, with prices from €569 to €5,048, a €4,479 spread on the same certified stone. Do Amore Diamonds lists it at €5,048. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818683416
Dimensions8.00 × 7.47 × 4.88 mm
L/W Ratio1.07
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.00 mm7.47 mm1.71 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818683416
Side View
Table 57.0%Crown 35°Girdle: STK-THKPavilion 41.3°Culet: NoneDepth 61.0%

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: €5,048 EUR|Low: €569 EUR|High: €7,277 EUR|Avg: €2,220 EUR|-30.6%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 1, 2026
Retailer 10€569 EUR
Retailer 3€619 EUR
Retailer 13€806 EUR
Retailer 5€841 EUR
Retailer 6€977 EUR
Retailer 12€1,079 EUR
Retailer 8€1,223 EUR
Retailer 4€1,297 EUR
Retailer 14€1,685 EUR
Retailer 15€2,048 EUR
Retailer 2€2,861 EUR
Retailer 11€3,016 EUR
Retailer 9€3,598 EUR
Retailer 7€4,279 EUR
Do Amore Diamonds€5,048 EUR

25 data points across 15 retailers

14 retailers€569 EUR to €5,048 EUR

A
Cheapest Retailer
-
€569 EUR
$636 USD
A
Retailer 2
-
€619 EUR
$692 USD
View
A
Retailer 3
-
€806 EUR
$900 USD
View
A
Retailer 4
-
€841 EUR
$940 USD
View
A
Retailer 5
-
€977 EUR
$1,091 USD
View
A
Retailer 6
-
€1,079 EUR
$1,206 USD
View
B+
Retailer 7
-
€1,223 EUR
View
Retailer 8
-
€1,297 EUR
$1,449 USD
View
Price last confirmed 9 days ago
B+
Retailer 9
-
€1,685 EUR
$1,883 USD
View
B
Retailer 10
-
€2,048 EUR
$2,288 USD
View
B+
Retailer 11
-
€2,861 EUR
£2,517 GBP
View
B
Retailer 12
-
€3,016 EUR
$3,370 USD
View
B
Retailer 13
-
€3,598 EUR
$4,020 USD
View
Most Expensive
B
Do Amore Diamonds
27-080828369 · Oct 31
€5,048 EUR
$5,640 USD
View
13 more retailers have this diamond
Prices start from €569 EURSave up to €4,479 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
€569 EUR