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Heart|Lab Grown|IGI

1.03ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG596348623

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG596348623

Diamond specifications and retailer prices

From €288 EUR
$322 USD
As of October 30, 2026
Save €1,151 EUR (80%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €1,439 EUR at MOH London · As of October 29, 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 LG596348623 or 596348623. Listed at 19 retailers as of October 29, 2026, with prices from €288 to €1,439, a €1,151 spread on the same certified stone. MOH London lists it at €1,439. 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 angle35.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG596348623
Dimensions7.06 × 6.35 × 4.03 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
7.06 mm6.35 mm1.03 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG596348623
Side View
Table 63.0%Crown 35.4°Girdle: MED-THKPavilion 40.7°Culet: NoneDepth 57.1%

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: €1,439 EUR|Low: €288 EUR|High: €1,480 EUR|Avg: €627 EUR|-2.5%
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
Retailer 16
Retailer 17
October 31, 2026
Retailer 8€288 EUR
Retailer 11€326 EUR
Retailer 5€334 EUR
Retailer 14€357 EUR
Retailer 12€369 EUR
Retailer 4€482 EUR
Retailer 6€497 EUR
Retailer 7€546 EUR
Retailer 15€570 EUR
Retailer 3€614 EUR
Retailer 2€638 EUR
Retailer 16€872 EUR
Retailer 10€883 EUR
Retailer 17€1,148 EUR
Retailer 9€1,189 EUR
Retailer 13€1,286 EUR
MOH London€1,439 EUR

29 data points across 17 retailers

19 retailers€288 EUR to €1,439 EUR

A
Cheapest Retailer
-
€288 EUR
$322 USD
A
Retailer 2
-
€326 EUR
$364 USD
View
Final sale: no returns
A
Retailer 3
-
€334 EUR
$373 USD
View
A
Retailer 4
-
€357 EUR
$399 USD
View
A
Retailer 5
-
€365 EUR
$408 USD
View
A
Retailer 6
-
€369 EUR
£325 GBP
View
A
Retailer 7
-
€482 EUR
$538 USD
View
A
Retailer 8
-
€497 EUR
$555 USD
View
B+
Retailer 9
-
€546 EUR
$610 USD
View
B+
Retailer 10
-
€570 EUR
$637 USD
View
B+
Retailer 11
-
€614 EUR
ZAR 11,080 ZAR
View
B+
Retailer 12
-
€638 EUR
£561 GBP
View
B+
Retailer 13
-
€872 EUR
A$1,498 AUD
View
B+
Retailer 14
-
€883 EUR
$986 USD
View
B
Retailer 15
-
€1,148 EUR
$1,283 USD
View
B
Retailer 16
-
€1,189 EUR
$1,328 USD
View
B
Retailer 17
-
€1,286 EUR
$1,437 USD
View
Retailer 18
-
€1,299 EUR
A$2,233 AUD
View
Price last confirmed 157 days ago
Most Expensive
B
MOH London
LG596348623 · Oct 29
€1,439 EUR
£1,266 GBP
View
18 more retailers have this diamond
Prices start from €288 EURSave up to €1,151 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
€288 EUR