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Heart|Lab Grown|IGI

1.00ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG761554401

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG761554401

Diamond specifications and retailer prices

From €306 EUR
$342 USD
As of October 30, 2026
Save €1,493 EUR (83%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €1,799 EUR at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1ct lab-grown heart diamond

This 1ct lab-grown heart sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG761554401 or 761554401. Listed at 22 retailers as of October 30, 2026, with prices from €306 to €1,799, a €1,493 spread on the same certified stone. Brilliant Earth lists it at €1,799. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG761554401
Dimensions6.10 × 6.88 × 4.10 mm
L/W Ratio1.13
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.10 mm6.88 mm1.00 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG761554401
Side View
Table 55.0%Crown 35.3°Girdle: MED-THKPavilion 40.1°Culet: NoneDepth 59.6%

Caratlytics Score

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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: €1,799 EUR|Low: €294 EUR|High: €2,148 EUR|Avg: €772 EUR|-16.3%
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
Retailer 14
Retailer 15
October 31, 2026
Retailer 14€306 EUR
Retailer 8€342 EUR
Retailer 4€355 EUR
Retailer 5€380 EUR
Retailer 15€380 EUR
Retailer 12€515 EUR
Retailer 7€590 EUR
Retailer 11€652 EUR
Retailer 2€681 EUR
Retailer 10€922 EUR
Retailer 13€942 EUR
Retailer 6€1,011 EUR
Retailer 3€1,220 EUR
Retailer 9€1,529 EUR
Brilliant Earth€1,799 EUR

44 data points across 15 retailers

22 retailers€306 EUR to €1,799 EUR

A
Cheapest Retailer
-
€306 EUR
$342 USD
A
Retailer 2
-
€342 EUR
$382 USD
View
Final sale: no returns
A
Retailer 3
-
€355 EUR
$397 USD
View
A
Retailer 4
-
€380 EUR
$424 USD
View
A
Retailer 5
-
€380 EUR
$424 USD
View
A
Retailer 6
-
€424 EUR
HK$3,700 HKD
View
B+
Retailer 7
-
€510 EUR
$570 USD
View
B+
Retailer 8
-
€515 EUR
$575 USD
View
B+
Retailer 9
-
€527 EUR
$589 USD
View
B+
Retailer 10
-
€590 EUR
$659 USD
View
B+
Retailer 11
-
€652 EUR
ZAR 11,772 ZAR
View
B+
Retailer 12
-
€681 EUR
£599 GBP
View
B+
Retailer 13
-
€922 EUR
A$1,585 AUD
View
B
Retailer 14
-
€942 EUR
$1,052 USD
View
B
Retailer 15
-
€1,011 EUR
SGD 1,526 SGD
View
B
Retailer 16
-
€1,220 EUR
$1,363 USD
View
B
Retailer 17
-
€1,258 EUR
$1,406 USD
View
B
Retailer 18
-
€1,374 EUR
$1,535 USD
View
B
Retailer 19
-
€1,474 EUR
$1,647 USD
View
B
Retailer 20
-
€1,529 EUR
£1,345 GBP
View
B
Retailer 21
-
€1,546 EUR
£1,360 GBP
View
Most Expensive
B
Brilliant Earth
18451958A · Oct 30
€1,799 EUR
$2,010 USD
View
21 more retailers have this diamond
Prices start from €306 EURSave up to €1,493 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
1.00ct Heart
€306 EUR