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Heart|Lab Grown|IGI

1.63ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG840632399

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG840632399

Diamond specifications and retailer prices

From €628 EUR
$702 USD
As of October 30, 2026
Save €2,898 EUR (82%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €3,527 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.63ct lab-grown heart diamond

This 1.63ct 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 LG840632399 or 840632399. Listed at 20 retailers as of October 30, 2026, with prices from €628 to €3,527, a €2,898 spread on the same certified stone. Brilliant Earth lists it at €3,527. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.63
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840632399
Dimensions7.36 × 8.42 × 4.51 mm
L/W Ratio1.14
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
7.36 mm8.42 mm1.63 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840632399
Side View
Table 56.0%Crown 34.6°Girdle: MED-STKPavilion 35.5°Culet: NoneDepth 53.6%

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: Oct 30
Current: €3,527 EUR|Low: €628 EUR|High: €4,672 EUR|Avg: €1,720 EUR|-24.5%
Brilliant Earth
Retailer 2
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Retailer 5
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Retailer 7
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Retailer 12
Retailer 13
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Retailer 19
Retailer 20
November 1, 2026
Retailer 7€628 EUR
Retailer 4€684 EUR
Retailer 18€729 EUR
Retailer 9€757 EUR
Retailer 11€806 EUR
Retailer 2€824 EUR
Retailer 19€886 EUR
Retailer 6€949 EUR
Retailer 3€1,157 EUR
Retailer 13€1,168 EUR
Retailer 17€1,185 EUR
Retailer 16€1,340 EUR
Retailer 14€1,633 EUR
Retailer 20€2,050 EUR
Retailer 8€2,406 EUR
Retailer 5€2,514 EUR
Retailer 15€2,878 EUR
Retailer 12€2,889 EUR
Retailer 10€3,081 EUR
Brilliant Earth€3,527 EUR

25 data points across 20 retailers

20 retailers€628 EUR to €3,527 EUR

A
Cheapest Retailer
-
€628 EUR
$702 USD
A
Retailer 2
-
€684 EUR
$764 USD
View
A
Retailer 3
-
€729 EUR
$814 USD
View
Retailer 4
-
€757 EUR
$846 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
€806 EUR
$901 USD
View
Final sale: no returns
A
Retailer 6
-
€824 EUR
£725 GBP
View
A
Retailer 7
-
€886 EUR
$990 USD
View
A
Retailer 8
-
€949 EUR
$1,060 USD
View
B+
Retailer 9
-
€1,157 EUR
$1,293 USD
View
B+
Retailer 10
-
€1,168 EUR
£1,028 GBP
View
B+
Retailer 11
-
€1,185 EUR
$1,324 USD
View
B+
Retailer 12
-
€1,340 EUR
ZAR 24,185 ZAR
View
B+
Retailer 13
-
€1,633 EUR
$1,824 USD
View
B+
Retailer 14
-
€2,050 EUR
$2,290 USD
View
B+
Retailer 15
-
€2,406 EUR
$2,688 USD
View
B
Retailer 16
-
€2,514 EUR
$2,808 USD
View
B
Retailer 17
-
€2,878 EUR
£2,532 GBP
View
B
Retailer 18
-
€2,889 EUR
SGD 4,362 SGD
View
B
Retailer 19
-
€3,081 EUR
$3,442 USD
View
Most Expensive
B
Brilliant Earth
21738407A · Oct 31
€3,527 EUR
$3,940 USD
View
19 more retailers have this diamond
Prices start from €628 EURSave up to €2,898 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
1.63ct Heart
€628 EUR