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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 €559 EUR
$625 USD
As of October 30, 2026
Save €4,408 EUR (89%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €4,968 EUR at Do Amore Diamonds · As of October 31, 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 €559 to €4,968, a €4,408 spread on the same certified stone. Do Amore Diamonds lists it at €4,968. 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
Colour
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: €4,968 EUR|Low: €559 EUR|High: €7,152 EUR|Avg: €2,343 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€559 EUR
Retailer 12€627 EUR
Retailer 6€832 EUR
Retailer 3€947 EUR
Retailer 9€1,062 EUR
Retailer 5€1,201 EUR
Retailer 10€1,658 EUR
Retailer 11€2,014 EUR
Retailer 2€2,812 EUR
Retailer 7€3,527 EUR
Do Amore Diamonds€4,968 EUR
Retailer 4€5,222 EUR

26 data points across 12 retailers

11 retailers€559 EUR to €4,968 EUR

A
Cheapest Retailer
-
€559 EUR
$625 USD
A
Retailer 2
-
€627 EUR
$700 USD
View
A
Retailer 3
-
€832 EUR
$930 USD
View
A
Retailer 4
-
€947 EUR
$1,058 USD
View
A
Retailer 5
-
€1,062 EUR
$1,186 USD
View
B+
Retailer 6
-
€1,201 EUR
View
B+
Retailer 7
-
€1,658 EUR
$1,852 USD
View
B
Retailer 8
-
€2,014 EUR
$2,250 USD
View
B
Retailer 9
-
€2,812 EUR
£2,474 GBP
View
B
Retailer 10
-
€3,527 EUR
$3,940 USD
View
Most Expensive
B
Do Amore Diamonds
27-16E4E631D · Oct 31
€4,968 EUR
$5,550 USD
View
10 more retailers have this diamond
Prices start from €559 EURSave up to €4,408 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
€559 EUR