Marquise|Lab Grown|IGI

1.97ct D SI1 Marquise Lab Grown Diamond

ID • D/SI1 • IGI LG800664953

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG800664953

Diamond specifications and retailer prices

From $517 CAD
As of November 4, 2026
Save $3,240 CAD (86%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,757 CAD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.97ct lab-grown marquise diamond

This 1.97ct lab-grown marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG800664953 or 800664953. Listed at 16 retailers as of November 4, 2026, with prices from $517 to $3,757, a $3,240 spread on the same certified stone. Brilliant Earth lists it at $3,757. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.97
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800664953
Dimensions13.56 × 6.78 × 3.85 mm
L/W Ratio2.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.56 mm6.78 mm1.97 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800664953
Side View
Table 66.0%Crown 32.6°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 56.8%

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: $3,757 CAD|Low: $496 CAD|High: $4,748 CAD|Avg: $1,388 CAD
Brilliant Earth
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
November 6, 2026
Retailer 15$517 CAD
Retailer 16$578 CAD
Retailer 5$599 CAD
Retailer 6$641 CAD
Retailer 17$641 CAD
Retailer 12$716 CAD
Retailer 11$852 CAD
Retailer 8$1,020 CAD
Retailer 4$1,024 CAD
Retailer 2$1,145 CAD
Retailer 7$1,170 CAD
Retailer 13$1,880 CAD
Retailer 3$2,060 CAD
Retailer 9$2,114 CAD
Retailer 14$2,424 CAD
Retailer 10$2,497 CAD
Brilliant Earth$3,757 CAD

45 data points across 17 retailers

16 retailers$517 CAD to $3,757 CAD

A
Cheapest Retailer
-
$517 CAD
A
Retailer 2
-
$578 CAD
View
Final sale: no returns
A
Retailer 3
-
$599 CAD
View
Retailer 4
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$641 CAD
View
Price last confirmed 12 days ago
A
Retailer 5
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$641 CAD
View
A
Retailer 6
-
$852 CAD
View
B+
Retailer 7
-
$1,020 CAD
View
B+
Retailer 8
-
$1,024 CAD
View
B+
Retailer 9
-
$1,145 CAD
View
B+
Retailer 10
-
$1,170 CAD
View
B
Retailer 11
-
$1,880 CAD
View
B
Retailer 12
-
$2,060 CAD
View
B
Retailer 13
-
$2,114 CAD
View
B
Retailer 14
-
$2,424 CAD
View
B
Retailer 15
-
$2,497 CAD
View
Most Expensive
B
Brilliant Earth
21067235A · Nov 4
$3,757 CAD
$2,690 USD
View
15 more retailers have this diamond
Prices start from $517 CADSave up to $3,240 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
1.97ct Marquise
$517 CAD