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Radiant|Lab Grown|IGI

1.00ct D VS1 Radiant Lab Grown Diamond

EX • D/VS1 • IGI LG821643185

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

Certificate IGI LG821643185

Diamond specifications and retailer prices

From $234 CAD
$167 USD
As of October 23, 2026
Save $2,273 CAD (91%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,506 CAD at Queensmith · As of October 25, 2026
View at Queensmith

About this 1ct lab-grown radiant diamond

This 1ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG821643185 or 821643185. Listed at 21 retailers as of October 23, 2026, with prices from $234 to $2,506, a $2,273 spread on the same certified stone. Queensmith lists it at $2,506. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
D
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.5°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821643185
Dimensions7.04 × 4.93 × 3.36 mm
L/W Ratio1.43
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.04 mm4.93 mm1.00 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821643185
Side View
Table 66.0%Crown 40.5°Girdle: MED-STKPavilion 37.7°Culet: NoneDepth 68.2%

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: $705 CAD|Low: $224 CAD|High: $1,521 CAD|Avg: $652 CAD|-0.9%
Retailer 1
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
October 26, 2026
Retailer 4$234 CAD
Retailer 2$260 CAD
Retailer 8$270 CAD
Retailer 6$290 CAD
Retailer 9$290 CAD
Retailer 17$388 CAD
Retailer 16$482 CAD
Retailer 14$489 CAD
Retailer 11$497 CAD
Retailer 1$705 CAD
Retailer 10$732 CAD
Retailer 18$761 CAD
Retailer 15$784 CAD
Retailer 13$831 CAD
Retailer 7$929 CAD
Retailer 5$1,204 CAD
Retailer 12$1,354 CAD
Retailer 3$1,521 CAD

40 data points across 18 retailers

21 retailers$234 CAD to $2,506 CAD

A
Cheapest Retailer
-
$234 CAD
$167 USD
A
Retailer 2
-
$270 CAD
$193 USD
View
A
Retailer 3
-
$290 CAD
$207 USD
View
A
Retailer 4
-
$290 CAD
$207 USD
View
Retailer 5
-
$388 CAD
£218 GBP
View
Price last confirmed 13 days ago
B+
Retailer 6
-
$392 CAD
$280 USD
View
A
Retailer 7
-
$466 CAD
$333 USD
View
A
Retailer 8
-
$482 CAD
€328 EUR
View
Retailer 9
-
$489 CAD
ZAR 5,642 ZAR
View
Price last confirmed 7 days ago
A
Retailer 10
-
$497 CAD
£279 GBP
View
B+
Retailer 11
-
$705 CAD
A$775 AUD
View
B+
Retailer 12
-
$732 CAD
$523 USD
View
B+
Retailer 13
-
$761 CAD
$544 USD
View
B+
Retailer 14
-
$784 CAD
$560 USD
View
B+
Retailer 15
-
$831 CAD
A$913 AUD
View
B+
Retailer 16
-
$929 CAD
$664 USD
View
B
Retailer 17
-
$1,006 CAD
$719 USD
View
B
Retailer 18
-
$1,204 CAD
$860 USD
View
B
Retailer 19
-
$1,354 CAD
£762 GBP
View
B
Retailer 20
-
$1,521 CAD
$1,087 USD
View
Most Expensive
B
Queensmith
LG821643185 · Oct 25
$2,506 CAD
£1,410 GBP
View
20 more retailers have this diamond
Prices start from $234 CADSave up to $2,273 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
1.00ct Radiant
$234 CAD