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Heart|Lab Grown|IGI

1.69ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG846662429

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG846662429

Diamond specifications and retailer prices

From €811 EUR
£716 GBP
As of November 1, 2026
Save €4,164 EUR (84%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €4,975 EUR at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.69ct lab-grown heart diamond

This 1.69ct 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 LG846662429 or 846662429. Listed at 10 retailers as of October 31, 2026, with prices from €811 to €4,975, a €4,164 spread on the same certified stone. Do Amore Diamonds lists it at €4,975. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.69
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846662429
Dimensions8.05 × 7.57 × 4.87 mm
L/W Ratio1.06
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
8.05 mm7.57 mm1.69 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846662429
Side View
Table 58.0%Crown 35.6°Girdle: MED-THKPavilion 39.4°Culet: NoneDepth 60.5%

Caratlytics Score

How it works →
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: Nov 1
Current: €4,975 EUR|Low: €811 EUR|High: €5,679 EUR|Avg: €2,172 EUR|-12.4%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 3€811 EUR
Retailer 6€829 EUR
Retailer 10€953 EUR
Retailer 7€1,064 EUR
Retailer 4€1,204 EUR
Retailer 8€1,660 EUR
Retailer 9€2,155 EUR
Retailer 2€2,817 EUR
Retailer 5€3,540 EUR
Do Amore Diamonds€4,975 EUR

15 data points across 10 retailers

10 retailers€811 EUR to €4,975 EUR

A
Cheapest Retailer
-
€811 EUR
£716 GBP
A
Retailer 2
-
€829 EUR
$930 USD
View
A
Retailer 3
-
€953 EUR
$1,069 USD
View
A
Retailer 4
-
€1,064 EUR
$1,193 USD
View
A
Retailer 5
-
€1,204 EUR
View
B+
Retailer 6
-
€1,660 EUR
$1,862 USD
View
B
Retailer 7
-
€2,155 EUR
$2,417 USD
View
B+
Retailer 8
-
€2,817 EUR
£2,488 GBP
View
B
Retailer 9
-
€3,540 EUR
$3,970 USD
View
Most Expensive
B
Do Amore Diamonds
27-76C779F08 · Oct 31
€4,975 EUR
$5,580 USD
View
9 more retailers have this diamond
Prices start from €811 EURSave up to €4,164 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
1.69ct Heart
€811 EUR