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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 $153 CAD
$109 USD
As of October 27, 2026
Save $1,437 CAD (90%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,589 CAD 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 27, 2026, with prices from $153 to $1,589, a $1,437 spread on the same certified stone. MOH London lists it at $1,589. 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
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

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 27
Current: $1,589 CAD|Low: $147 CAD|High: $1,600 CAD|Avg: $461 CAD|-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 29, 2026
Retailer 9$153 CAD
Retailer 3$171 CAD
Retailer 11$178 CAD
Retailer 10$202 CAD
Retailer 7$301 CAD
Retailer 5$344 CAD
Retailer 4$347 CAD
Retailer 2$377 CAD
Retailer 8$444 CAD
Retailer 6$457 CAD
Retailer 12$1,003 CAD
MOH London$1,589 CAD

43 data points across 12 retailers

18 retailers$153 CAD to $1,589 CAD

A
Cheapest Retailer
-
$153 CAD
$109 USD
A
Retailer 2
-
$171 CAD
$122 USD
View
Final sale: no returns
A
Retailer 3
-
$178 CAD
$127 USD
View
A
Retailer 4
-
$202 CAD
$144 USD
View
A
Retailer 5
-
$215 CAD
HK$1,200 HKD
View
A
Retailer 6
-
$266 CAD
$190 USD
View
A
Retailer 7
-
$301 CAD
$215 USD
View
Price last confirmed 8 days ago
A
Retailer 8
-
$344 CAD
€234 EUR
View
A
Retailer 9
-
$347 CAD
$248 USD
View
B+
Retailer 10
-
$377 CAD
£212 GBP
View
B+
Retailer 11
-
$444 CAD
$317 USD
View
B+
Retailer 12
-
$457 CAD
£257 GBP
View
B+
Retailer 13
-
$535 CAD
SGD 517 SGD
View
B
Retailer 14
-
$582 CAD
$416 USD
View
B
Retailer 15
-
$690 CAD
$493 USD
View
B
Retailer 16
-
$1,003 CAD
£564 GBP
View
B
Retailer 17
-
$1,265 CAD
$904 USD
View
Most Expensive
B
MOH London
LG819640701 · Oct 29
$1,589 CAD
£894 GBP
View
17 more retailers have this diamond
Prices start from $153 CADSave up to $1,437 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
$153 CAD