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Radiant|Lab Grown|IGI

1.71ct I VS2 Radiant Lab Grown Diamond

ID • I/VS2 • IGI LG512205180

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

Certificate IGI LG512205180

Diamond specifications and retailer prices

From $2,183 CAD
$1,560 USD
As of October 29, 2026
Save $3,384 CAD (61%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $7,711 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 1.71ct lab-grown radiant diamond

This 1.71ct lab-grown radiant sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG512205180 or 512205180. Listed at 11 retailers as of October 29, 2026, with a 155% 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

1.71
Carat
I
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.8°
Pavilion angle31.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG512205180
Dimensions7.94 × 5.89 × 4.14 mm
L/W Ratio1.35
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.94 mm5.89 mm1.71 ctI / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG512205180
Side View
Table 68.0%Crown 37.8°Girdle: Slightly ThickPavilion 31.5°Culet: NoneDepth 70.3%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $7,711 CAD|Low: $2,183 CAD|High: $7,761 CAD|Avg: $4,446 CAD|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 2$2,183 CAD
Retailer 7$2,925 CAD
Retailer 8$3,604 CAD
Retailer 4$4,220 CAD
Retailer 3$4,630 CAD
Retailer 5$5,033 CAD
Retailer 6$5,567 CAD
MOH London$7,711 CAD

11 data points across 8 retailers

11 retailers$2,183 CAD to $5,567 CAD

B
Cheapest Retailer
-
$2,183 CAD
$1,560 USD
B
Retailer 2
-
$2,315 CAD
$1,654 USD
View
B
Retailer 3
-
$2,518 CAD
$1,799 USD
View
B
Retailer 4
-
$2,686 CAD
$1,919 USD
View
Retailer 5
-
$2,686 CAD
$1,919 USD
View
Price last confirmed 17 days ago
B
Retailer 6
-
$2,925 CAD
$2,090 USD
View
B
Retailer 7
-
$4,220 CAD
$3,015 USD
View
B
Retailer 8
-
$4,630 CAD
$3,308 USD
View
B
Retailer 9
-
$5,033 CAD
$3,596 USD
View
B
Retailer 10
-
$5,567 CAD
£3,132 GBP
View
Most Expensive
MOH London
LG512205180 · Oct 29
$7,711 CAD
£4,338 GBP
View
Price under review
10 more retailers have this diamond
Prices start from $2,183 CADSave up to $3,384 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.

B
1.71ct Radiant
$2,183 CAD