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Round|Lab Grown|IGI

1.23ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG818675571

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818675571

Diamond specifications and retailer prices

From $263 CAD
$188 USD
As of October 29, 2026
Save $1,350 CAD (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,613 CAD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.23ct lab-grown round diamond

This 1.23ct lab-grown round sits in the classic one-carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818675571 or 818675571. Listed at 17 retailers as of October 29, 2026, with prices from $263 to $1,613, a $1,350 spread on the same certified stone. Reve Diamonds lists it at $1,613. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
H
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818675571
Dimensions6.89 × 6.94 × 4.23 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.89 mm6.94 mm1.23 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818675571
Side View
Table 60.0%Crown 33.2°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 61.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $595 CAD|Low: $263 CAD|High: $1,687 CAD|Avg: $761 CAD|-8.3%
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
Reve Diamonds
November 1, 2026
Retailer 7$263 CAD
Retailer 5$293 CAD
Retailer 2$305 CAD
Retailer 4$325 CAD
Retailer 14$325 CAD
Retailer 11$558 CAD
Retailer 6$570 CAD
Retailer 15$584 CAD
Retailer 1$595 CAD
Retailer 3$671 CAD
Retailer 10$733 CAD
Retailer 12$794 CAD
Retailer 16$1,045 CAD
Retailer 13$1,049 CAD
Retailer 8$1,121 CAD
Retailer 9$1,529 CAD
Reve Diamonds$1,613 CAD

22 data points across 17 retailers

17 retailers$263 CAD to $1,613 CAD

A
Cheapest Retailer
-
$263 CAD
$188 USD
A
Retailer 2
-
$293 CAD
$210 USD
View
Final sale: no returns
A
Retailer 3
-
$305 CAD
$218 USD
View
A
Retailer 4
-
$325 CAD
$233 USD
View
A
Retailer 5
-
$325 CAD
$233 USD
View
A
Retailer 6
-
$558 CAD
ZAR 6,457 ZAR
View
A
Retailer 7
-
$570 CAD
$408 USD
View
A
Retailer 8
-
$584 CAD
$418 USD
View
A
Retailer 9
-
$595 CAD
£336 GBP
View
B+
Retailer 10
-
$671 CAD
$480 USD
View
B+
Retailer 11
-
$733 CAD
$525 USD
View
B+
Retailer 12
-
$794 CAD
A$874 AUD
View
B+
Retailer 13
-
$1,045 CAD
$748 USD
View
B
Retailer 14
-
$1,049 CAD
$751 USD
View
B
Retailer 15
-
$1,121 CAD
$802 USD
View
B
Retailer 16
-
$1,529 CAD
£862 GBP
View
Most Expensive
B
Reve Diamonds
D603540B5 · Oct 30
$1,613 CAD
$1,154 USD
View
16 more retailers have this diamond
Prices start from $263 CADSave up to $1,350 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
1.23ct Round
$263 CAD