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Heart|Lab Grown|IGI

1.65ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG846663395

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG846663395

Diamond specifications and retailer prices

From €607 EUR
$678 USD
As of October 30, 2026
Save €3,206 EUR (84%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €3,813 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.65ct lab-grown heart diamond

This 1.65ct 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 LG846663395 or 846663395. Listed at 13 retailers as of October 30, 2026, with prices from €607 to €3,813, a €3,206 spread on the same certified stone. Brilliant Earth lists it at €3,813. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.65
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.9°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846663395
Dimensions6.99 × 7.92 × 4.94 mm
L/W Ratio1.13
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
6.99 mm7.92 mm1.65 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846663395
Side View
Table 59.0%Crown 37.9°Girdle: STK-THKPavilion 40.3°Culet: NoneDepth 62.4%

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: €3,813 EUR|Low: €607 EUR|High: €4,726 EUR|Avg: €1,830 EUR|-19.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 8€607 EUR
Retailer 4€661 EUR
Retailer 6€796 EUR
Retailer 10€845 EUR
Retailer 9€864 EUR
Retailer 3€1,145 EUR
Retailer 13€1,220 EUR
Retailer 7€1,798 EUR
Retailer 11€1,979 EUR
Retailer 5€2,779 EUR
Retailer 2€2,966 EUR
Retailer 12€3,118 EUR
Brilliant Earth€3,813 EUR

6 data points across 13 retailers

13 retailers€607 EUR to €3,813 EUR

A
Cheapest Retailer
-
€607 EUR
$678 USD
A
Retailer 2
-
€661 EUR
$738 USD
View
A
Retailer 3
-
€796 EUR
£700 GBP
View
A
Retailer 4
-
€845 EUR
$944 USD
View
A
Retailer 5
-
€864 EUR
$965 USD
View
B+
Retailer 6
-
€1,145 EUR
$1,279 USD
View
B+
Retailer 7
-
€1,220 EUR
$1,363 USD
View
B+
Retailer 8
-
€1,798 EUR
$2,009 USD
View
B
Retailer 9
-
€1,979 EUR
$2,211 USD
View
B
Retailer 10
-
€2,779 EUR
$3,105 USD
View
B
Retailer 11
-
€2,966 EUR
£2,609 GBP
View
B
Retailer 12
-
€3,118 EUR
$3,484 USD
View
Most Expensive
B
Brilliant Earth
22337110A · Oct 31
€3,813 EUR
$4,260 USD
View
12 more retailers have this diamond
Prices start from €607 EURSave up to €3,206 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
1.65ct Heart
€607 EUR