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Heart|Lab Grown|IGI

1.68ct D FL Heart Lab Grown Diamond

EX • D/FL • IGI LG818641476

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG818641476

Diamond specifications and retailer prices

From €557 EUR
$625 USD
As of October 30, 2026
Save €4,391 EUR (89%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €4,948 EUR at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.68ct lab-grown heart diamond

This 1.68ct 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 LG818641476 or 818641476. Listed at 11 retailers as of October 30, 2026, with prices from €557 to €4,948, a €4,391 spread on the same certified stone. Do Amore Diamonds lists it at €4,948. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.68
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818641476
Dimensions7.68 × 8.27 × 4.59 mm
L/W Ratio1.08
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
7.68 mm8.27 mm1.68 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818641476
Side View
Table 63.0%Crown 33.3°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 55.5%

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: €4,948 EUR|Low: €557 EUR|High: €7,124 EUR|Avg: €2,334 EUR|-30.5%
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
November 1, 2026
Retailer 8€557 EUR
Retailer 12€624 EUR
Retailer 6€829 EUR
Retailer 3€943 EUR
Retailer 9€1,057 EUR
Retailer 5€1,196 EUR
Retailer 10€1,651 EUR
Retailer 11€2,006 EUR
Retailer 2€2,801 EUR
Retailer 7€3,513 EUR
Do Amore Diamonds€4,948 EUR
Retailer 4€5,201 EUR

26 data points across 12 retailers

11 retailers€557 EUR to €4,948 EUR

A
Cheapest Retailer
-
€557 EUR
$625 USD
A
Retailer 2
-
€624 EUR
$700 USD
View
A
Retailer 3
-
€829 EUR
$930 USD
View
A
Retailer 4
-
€943 EUR
$1,058 USD
View
A
Retailer 5
-
€1,057 EUR
$1,186 USD
View
B+
Retailer 6
-
€1,196 EUR
View
B+
Retailer 7
-
€1,651 EUR
$1,852 USD
View
B
Retailer 8
-
€2,006 EUR
$2,250 USD
View
B
Retailer 9
-
€2,801 EUR
£2,474 GBP
View
B
Retailer 10
-
€3,513 EUR
$3,940 USD
View
Most Expensive
B
Do Amore Diamonds
27-16E4E631D · Nov 2
€4,948 EUR
$5,550 USD
View
10 more retailers have this diamond
Prices start from €557 EURSave up to €4,391 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
1.68ct Heart
€557 EUR