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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 $140 CAD
$100 USD
As of October 23, 2026
Save $1,086 CAD (89%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,287 CAD 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
Color
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: $1,287 CAD|Low: $139 CAD|High: $1,529 CAD|Avg: $483 CAD|-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$140 CAD
Retailer 10$157 CAD
Retailer 17$164 CAD
Retailer 9$186 CAD
Retailer 3$197 CAD
Retailer 19$301 CAD
Retailer 16$310 CAD
Retailer 20$319 CAD
Retailer 14$336 CAD
Retailer 8$354 CAD
Retailer 18$396 CAD
Retailer 15$476 CAD
Retailer 2$488 CAD
Retailer 13$490 CAD
Retailer 6$497 CAD
Retailer 5$560 CAD
Retailer 12$574 CAD
Retailer 11$917 CAD
Retailer 7$1,226 CAD
MOH London$1,287 CAD

41 data points across 20 retailers

20 retailers$140 CAD to $1,226 CAD

A
Cheapest Retailer
-
$140 CAD
$100 USD
A
Retailer 2
-
$157 CAD
$112 USD
View
Final sale: no returns
A
Retailer 3
-
$164 CAD
$117 USD
View
A
Retailer 4
-
$186 CAD
$133 USD
View
A
Retailer 5
-
$197 CAD
HK$1,100 HKD
View
A
Retailer 6
-
$301 CAD
$215 USD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$310 CAD
ZAR 3,578 ZAR
View
A
Retailer 8
-
$319 CAD
€217 EUR
View
A
Retailer 9
-
$336 CAD
£189 GBP
View
B+
Retailer 10
-
$354 CAD
$253 USD
View
B+
Retailer 11
-
$396 CAD
$283 USD
View
B+
Retailer 12
-
$476 CAD
£268 GBP
View
B+
Retailer 13
-
$488 CAD
SGD 471 SGD
View
B+
Retailer 14
-
$490 CAD
$350 USD
View
B+
Retailer 15
-
$497 CAD
$355 USD
View
B+
Retailer 16
-
$560 CAD
$400 USD
View
B
Retailer 17
-
$574 CAD
$410 USD
View
B
Retailer 18
-
$917 CAD
£516 GBP
View
B
Retailer 19
-
$1,226 CAD
$876 USD
View
Most Expensive
B
MOH London
LG782654831 · Oct 19
$1,287 CAD
£724 GBP
View
Price last confirmed 10 days ago
19 more retailers have this diamond
Prices start from $140 CADSave up to $1,086 CAD

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
$140 CAD