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Heart|Lab Grown|IGI

0.51ct D VS1 Heart Lab Grown Diamond

ID • D/VS1 • IGI LG815693453

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG815693453

Diamond specifications and retailer prices

From €98 EUR
$109 USD
As of October 27, 2026
Save €713 EUR (88%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €1,019 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 0.51ct lab-grown heart diamond

This 0.51ct lab-grown heart sits in the half to three-quarter carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG815693453 or 815693453. Listed at 18 retailers as of October 27, 2026, with a 728% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815693453
Dimensions5.39 × 5.08 × 3.17 mm
L/W Ratio1.06
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
5.39 mm5.08 mm0.51 ctD / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815693453
Side View
Table 53.0%Crown 37.2°Girdle: STK-THKPavilion 37.7°Culet: NoneDepth 58.8%

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 27
Current: €1,019 EUR|Low: €94 EUR|High: €1,024 EUR|Avg: €275 EUR|+0.6%
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
October 29, 2026
Retailer 13€98 EUR
Retailer 6€110 EUR
Retailer 11€113 EUR
Retailer 12€129 EUR
Retailer 14€129 EUR
Retailer 3€166 EUR
Retailer 8€219 EUR
Retailer 9€225 EUR
Retailer 7€241 EUR
Retailer 2€293 EUR
Retailer 5€328 EUR
Retailer 4€390 EUR
Retailer 10€435 EUR
MOH London€1,019 EUR

41 data points across 14 retailers

18 retailers€98 EUR to €811 EUR

A
Cheapest Retailer
-
€98 EUR
$109 USD
A
Retailer 2
-
€110 EUR
$122 USD
View
Final sale: no returns
A
Retailer 3
-
€113 EUR
$126 USD
View
A
Retailer 4
-
€129 EUR
$144 USD
View
A
Retailer 5
-
€129 EUR
$144 USD
View
A
Retailer 6
-
€138 EUR
HK$1,200 HKD
View
A
Retailer 7
-
€166 EUR
$185 USD
View
A
Retailer 8
-
€219 EUR
ZAR 3,941 ZAR
View
B+
Retailer 9
-
€225 EUR
View
B+
Retailer 10
-
€241 EUR
£211 GBP
View
B+
Retailer 11
-
€293 EUR
£257 GBP
View
B+
Retailer 12
-
€328 EUR
$365 USD
View
B+
Retailer 13
-
€344 EUR
SGD 517 SGD
View
B
Retailer 14
-
€390 EUR
$434 USD
View
B
Retailer 15
-
€435 EUR
$484 USD
View
B
Retailer 16
-
€442 EUR
$492 USD
View
B
Retailer 17
-
€811 EUR
$903 USD
View
Most Expensive
B
MOH London
LG815693453 · Oct 29
€1,019 EUR
£893 GBP
View
Price under review
17 more retailers have this diamond
Prices start from €98 EURSave up to €713 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
0.51ct Heart
€98 EUR