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Heart|Lab Grown|IGI

1.00ct D IF Heart Lab Grown Diamond

EX • D/IF • IGI LG842626538

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG842626538

Diamond specifications and retailer prices

From €304 EUR
$340 USD
As of October 30, 2026
Save €1,210 EUR (80%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €1,514 EUR at MOH London · As of November 1, 2026
View at MOH London

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 LG842626538 or 842626538. Listed at 16 retailers as of October 30, 2026, with prices from €304 to €1,514, a €1,210 spread on the same certified stone. MOH London lists it at €1,514. 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
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.5°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842626538
Dimensions6.48 × 7.02 × 3.91 mm
L/W Ratio1.08
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.48 mm7.02 mm1.00 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842626538
Side View
Table 64.0%Crown 31.5°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 55.7%

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: €1,514 EUR|Low: €304 EUR|High: €1,522 EUR|Avg: €742 EUR|-0.5%
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
November 1, 2026
Retailer 16€304 EUR
Retailer 5€341 EUR
Retailer 15€354 EUR
Retailer 11€378 EUR
Retailer 2€389 EUR
Retailer 6€508 EUR
Retailer 10€510 EUR
Retailer 3€526 EUR
Retailer 14€649 EUR
Retailer 7€655 EUR
Retailer 9€678 EUR
Retailer 12€918 EUR
Retailer 4€1,108 EUR
Retailer 13€1,215 EUR
Retailer 8€1,253 EUR
MOH London€1,514 EUR

14 data points across 16 retailers

16 retailers€304 EUR to €1,514 EUR

A
Cheapest Retailer
-
€304 EUR
$340 USD
A
Retailer 2
-
€341 EUR
$381 USD
View
Final sale: no returns
A
Retailer 3
-
€354 EUR
$395 USD
View
A
Retailer 4
-
€378 EUR
$422 USD
View
A
Retailer 5
-
€389 EUR
£342 GBP
View
B+
Retailer 6
-
€508 EUR
$568 USD
View
B+
Retailer 7
-
€510 EUR
$570 USD
View
B+
Retailer 8
-
€526 EUR
$588 USD
View
B+
Retailer 9
-
€649 EUR
ZAR 11,721 ZAR
View
B+
Retailer 10
-
€655 EUR
$732 USD
View
B+
Retailer 11
-
€678 EUR
£596 GBP
View
B
Retailer 12
-
€918 EUR
A$1,578 AUD
View
B
Retailer 13
-
€1,108 EUR
$1,238 USD
View
B
Retailer 14
-
€1,215 EUR
$1,357 USD
View
B
Retailer 15
-
€1,253 EUR
$1,400 USD
View
Most Expensive
B
MOH London
LG842626538 · Nov 1
€1,514 EUR
£1,332 GBP
View
15 more retailers have this diamond
Prices start from €304 EURSave up to €1,210 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
€304 EUR