CaratHunter
Plans
Radiant|Lab Grown|IGI

0.51ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG782654831

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

Certificate IGI LG782654831

Diamond specifications and retailer prices

From €90 EUR
$100 USD
As of October 23, 2026
Save €697 EUR (89%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €826 EUR at MOH London · As of October 19, 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 LG782654831 or 782654831. Listed at 20 retailers as of October 23, 2026, with a 776% 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
SymmetryGood
FluorescenceNone
Crown angle50.4°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG782654831
Dimensions5.57 × 4.05 × 2.56 mm
L/W Ratio1.38
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.57 mm4.05 mm0.51 ctD / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI LG782654831
Side View
Table 66.0%Crown 50.4°Girdle: MediumPavilion 34.7°Culet: NoneDepth 63.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 23
Current: €826 EUR|Low: €89 EUR|High: €981 EUR|Avg: €310 EUR|-14.8%
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
Retailer 18
Retailer 19
Retailer 20
October 29, 2026
Retailer 4€90 EUR
Retailer 10€101 EUR
Retailer 17€105 EUR
Retailer 9€119 EUR
Retailer 3€126 EUR
Retailer 19€193 EUR
Retailer 16€199 EUR
Retailer 20€205 EUR
Retailer 14€216 EUR
Retailer 8€227 EUR
Retailer 18€254 EUR
Retailer 15€305 EUR
Retailer 2€313 EUR
Retailer 13€314 EUR
Retailer 6€319 EUR
Retailer 5€359 EUR
Retailer 12€368 EUR
Retailer 11€589 EUR
Retailer 7€787 EUR
MOH London€826 EUR

41 data points across 20 retailers

20 retailers€90 EUR to €787 EUR

A
Cheapest Retailer
-
€90 EUR
$100 USD
A
Retailer 2
-
€101 EUR
$112 USD
View
Final sale: no returns
A
Retailer 3
-
€105 EUR
$117 USD
View
A
Retailer 4
-
€119 EUR
$133 USD
View
A
Retailer 5
-
€126 EUR
HK$1,100 HKD
View
A
Retailer 6
-
€193 EUR
$215 USD
View
Price last confirmed 7 days ago
A
Retailer 7
-
€199 EUR
ZAR 3,578 ZAR
View
A
Retailer 8
-
€205 EUR
View
A
Retailer 9
-
€216 EUR
£189 GBP
View
B+
Retailer 10
-
€227 EUR
$253 USD
View
B+
Retailer 11
-
€254 EUR
$283 USD
View
B+
Retailer 12
-
€305 EUR
£268 GBP
View
B+
Retailer 13
-
€313 EUR
SGD 471 SGD
View
B+
Retailer 14
-
€314 EUR
$350 USD
View
B+
Retailer 15
-
€319 EUR
$355 USD
View
B+
Retailer 16
-
€359 EUR
$400 USD
View
B
Retailer 17
-
€368 EUR
$410 USD
View
B
Retailer 18
-
€589 EUR
£516 GBP
View
B
Retailer 19
-
€787 EUR
$876 USD
View
Most Expensive
B
MOH London
LG782654831 · Oct 19
€826 EUR
£724 GBP
View
Price last confirmed 10 days ago
19 more retailers have this diamond
Prices start from €90 EURSave up to €697 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
€90 EUR