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Marquise|Lab Grown|IGI

1.23ct D VS1 Marquise Lab Grown Diamond

VG • D/VS1 • IGI LG840664752

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG840664752

Diamond specifications and retailer prices

From $254 CAD
As of November 4, 2026
Save $1,330 CAD (84%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,584 CAD at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 1.23ct lab-grown marquise diamond

This 1.23ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG840664752 or 840664752. Listed at 21 retailers as of November 4, 2026, with prices from $254 to $1,584, a $1,330 spread on the same certified stone. Reve Diamonds lists it at $1,584. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.23
Carat
D
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle36.4°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840664752
Dimensions10.81 × 5.57 × 3.52 mm
L/W Ratio1.94
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.81 mm5.57 mm1.23 ctD / VS1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG840664752
Side View
Table 62.0%Crown 36.4°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.2%

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: Nov 4
Current: $562 CAD|Low: $248 CAD|High: $1,600 CAD|Avg: $738 CAD|-1.0%
Retailer 1
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Retailer 20
Reve Diamonds
November 5, 2026
Retailer 16$254 CAD
Retailer 15$283 CAD
Retailer 20$294 CAD
Retailer 12$315 CAD
Retailer 10$357 CAD
Retailer 14$419 CAD
Retailer 7$530 CAD
Retailer 8$542 CAD
Retailer 19$556 CAD
Retailer 1$562 CAD
Retailer 13$661 CAD
Retailer 11$666 CAD
Retailer 3$803 CAD
Retailer 18$1,012 CAD
Retailer 9$1,017 CAD
Retailer 5$1,028 CAD
Retailer 4$1,049 CAD
Retailer 17$1,087 CAD
Retailer 2$1,212 CAD
Retailer 6$1,504 CAD
Reve Diamonds$1,584 CAD

30 data points across 21 retailers

21 retailers$254 CAD to $1,584 CAD

A
Cheapest Retailer
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$254 CAD
A
Retailer 2
-
$283 CAD
View
Final sale: no returns
A
Retailer 3
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$294 CAD
View
A
Retailer 4
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$315 CAD
View
A
Retailer 5
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$357 CAD
View
A
Retailer 6
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$419 CAD
View
Retailer 7
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$530 CAD
View
Price last confirmed 9 days ago
Retailer 8
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$542 CAD
View
Price last confirmed 13 days ago
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Retailer 9
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$556 CAD
View
A
Retailer 10
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$562 CAD
View
Retailer 11
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$661 CAD
View
Price last confirmed 9 days ago
Retailer 12
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$666 CAD
View
Price last confirmed 10 days ago
B+
Retailer 13
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$803 CAD
View
B+
Retailer 14
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$1,012 CAD
View
Retailer 15
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$1,017 CAD
View
Price last confirmed 8 days ago
B
Retailer 16
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$1,028 CAD
View
B
Retailer 17
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$1,049 CAD
View
B
Retailer 18
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$1,087 CAD
View
B
Retailer 19
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$1,212 CAD
View
Retailer 20
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$1,504 CAD
View
Price last confirmed 10 days ago
Most Expensive
B
Reve Diamonds
112672E73 · Nov 4
$1,584 CAD
$1,137 USD
View
20 more retailers have this diamond
Prices start from $254 CADSave up to $1,330 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 Marquise
$254 CAD