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Heart|Lab Grown|IGI

1.03ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG666442800

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG666442800

Diamond specifications and retailer prices

From €310 EUR
$346 USD
As of October 30, 2026
Save €1,192 EUR (79%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €1,502 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 1.03ct lab-grown heart diamond

This 1.03ct 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 LG666442800 or 666442800. Listed at 21 retailers as of October 30, 2026, with prices from €310 to €1,502, a €1,192 spread on the same certified stone. MOH London lists it at €1,502. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG666442800
Dimensions6.27 × 6.93 × 4.14 mm
L/W Ratio1.11
Girdle conditionFaceted
Culet sizePointed
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
6.27 mm6.93 mm1.03 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG666442800
Side View
Table 56.0%Crown 34.2°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 59.7%

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: €1,502 EUR|Low: €297 EUR|High: €1,519 EUR|Avg: €712 EUR
MOH London
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
November 1, 2026
Retailer 14€310 EUR
Retailer 7€346 EUR
Retailer 3€384 EUR
Retailer 15€384 EUR
Retailer 9€521 EUR
Retailer 12€524 EUR
Retailer 6€595 EUR
Retailer 8€625 EUR
Retailer 11€660 EUR
Retailer 2€690 EUR
Retailer 10€933 EUR
Retailer 5€1,023 EUR
Retailer 13€1,127 EUR
Retailer 4€1,235 EUR
MOH London€1,502 EUR

44 data points across 15 retailers

21 retailers€310 EUR to €1,502 EUR

A
Cheapest Retailer
-
€310 EUR
$346 USD
A
Retailer 2
-
€346 EUR
$386 USD
View
Final sale: no returns
Retailer 3
-
€360 EUR
$402 USD
View
Price last confirmed 33 days ago
Retailer 4
-
€380 EUR
$424 USD
View
Price last confirmed 35 days ago
A
Retailer 5
-
€384 EUR
$429 USD
View
Retailer 6
-
€384 EUR
$429 USD
View
Price last confirmed 7 days ago
A
Retailer 7
-
€424 EUR
HK$3,700 HKD
View
A
Retailer 8
-
€521 EUR
$582 USD
View
B+
Retailer 9
-
€524 EUR
$585 USD
View
B+
Retailer 10
-
€554 EUR
$619 USD
View
B+
Retailer 11
-
€595 EUR
$665 USD
View
B+
Retailer 12
-
€625 EUR
View
B+
Retailer 13
-
€660 EUR
ZAR 11,915 ZAR
View
B+
Retailer 14
-
€690 EUR
£607 GBP
View
B+
Retailer 15
-
€933 EUR
A$1,604 AUD
View
B
Retailer 16
-
€1,023 EUR
SGD 1,545 SGD
View
B
Retailer 17
-
€1,127 EUR
$1,259 USD
View
B
Retailer 18
-
€1,235 EUR
$1,380 USD
View
B
Retailer 19
-
€1,273 EUR
$1,422 USD
View
B
Retailer 20
-
€1,486 EUR
$1,660 USD
View
Most Expensive
B
MOH London
LG666442800 · Nov 1
€1,502 EUR
£1,321 GBP
View
20 more retailers have this diamond
Prices start from €310 EURSave up to €1,192 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
1.03ct Heart
€310 EUR