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Radiant|Lab Grown|IGI

0.51ct D VS1 Radiant Lab Grown Diamond

EX • D/VS1 • IGI LG819640701

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG819640701

Diamond specifications and retailer prices

From €98 EUR
$109 USD
As of October 30, 2026
Save €711 EUR (88%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €1,016 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 0.51ct lab-grown radiant diamond

This 0.51ct lab-grown radiant 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 LG819640701 or 819640701. Listed at 18 retailers as of October 30, 2026, with a 729% 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
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle19.9°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG819640701
Dimensions6.09 × 3.90 × 2.57 mm
L/W Ratio1.56
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.09 mm3.90 mm0.51 ctD / VS1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG819640701
Side View
Table 64.0%Crown 19.9°Girdle: Slightly ThickPavilion 36.7°Culet: NoneDepth 65.9%

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: €1,016 EUR|Low: €94 EUR|High: €1,023 EUR|Avg: €295 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
October 31, 2026
Retailer 9€98 EUR
Retailer 3€109 EUR
Retailer 11€114 EUR
Retailer 10€129 EUR
Retailer 7€192 EUR
Retailer 2€218 EUR
Retailer 4€222 EUR
Retailer 5€240 EUR
Retailer 8€284 EUR
Retailer 6€292 EUR
Retailer 12€641 EUR
MOH London€1,016 EUR

44 data points across 12 retailers

18 retailers€98 EUR to €809 EUR

A
Cheapest Retailer
-
€98 EUR
$109 USD
A
Retailer 2
-
€109 EUR
$122 USD
View
Final sale: no returns
A
Retailer 3
-
€114 EUR
$127 USD
View
A
Retailer 4
-
€129 EUR
$144 USD
View
A
Retailer 5
-
€137 EUR
HK$1,200 HKD
View
A
Retailer 6
-
€170 EUR
$190 USD
View
Retailer 7
-
€192 EUR
$215 USD
View
Price last confirmed 10 days ago
A
Retailer 8
-
€218 EUR
View
A
Retailer 9
-
€222 EUR
$248 USD
View
B+
Retailer 10
-
€240 EUR
£211 GBP
View
B+
Retailer 11
-
€284 EUR
$317 USD
View
B+
Retailer 12
-
€292 EUR
£257 GBP
View
B+
Retailer 13
-
€342 EUR
SGD 517 SGD
View
B
Retailer 14
-
€372 EUR
$416 USD
View
B
Retailer 15
-
€441 EUR
$493 USD
View
B
Retailer 16
-
€641 EUR
£564 GBP
View
B
Retailer 17
-
€809 EUR
$904 USD
View
Most Expensive
MOH London
LG819640701 · Oct 29
€1,016 EUR
£894 GBP
View
Price under review
17 more retailers have this diamond
Prices start from €98 EURSave up to €711 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 Radiant
€98 EUR