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Marquise|Lab Grown|IGI

1.97ct D SI1 Marquise Lab Grown Diamond

ID • D/SI1 • IGI LG799606499

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG799606499

Diamond specifications and retailer prices

From $517 CAD
$370 USD
As of October 30, 2026
Save $2,109 CAD (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,626 CAD at Brilliant Earth · As of October 30, 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 LG799606499 or 799606499. Listed at 14 retailers as of October 30, 2026, with prices from $517 to $2,626, a $2,109 spread on the same certified stone. Brilliant Earth lists it at $2,626. 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 angle33.1°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799606499
Dimensions13.45 × 6.57 × 3.93 mm
L/W Ratio2.05
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.45 mm6.57 mm1.97 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799606499
Side View
Table 63.0%Crown 33.1°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 59.8%

Caratlytics Score

How it works →
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 30
Current: $2,626 CAD|Low: $496 CAD|High: $5,071 CAD|Avg: $1,311 CAD|-30.1%
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
October 31, 2026
Retailer 11$517 CAD
Retailer 3$599 CAD
Retailer 4$641 CAD
Retailer 12$641 CAD
Retailer 9$717 CAD
Retailer 8$852 CAD
Retailer 6$1,020 CAD
Retailer 14$1,024 CAD
Retailer 2$1,157 CAD
Retailer 5$1,171 CAD
Retailer 10$1,880 CAD
Retailer 13$2,060 CAD
Retailer 7$2,517 CAD
Brilliant Earth$2,626 CAD

43 data points across 14 retailers

14 retailers$517 CAD to $2,626 CAD

A
Cheapest Retailer
-
$517 CAD
$370 USD
A
Retailer 2
-
$599 CAD
$429 USD
View
A
Retailer 3
-
$641 CAD
$459 USD
View
A
Retailer 4
-
$641 CAD
$459 USD
View
Retailer 5
-
$717 CAD
£404 GBP
View
Price last confirmed 14 days ago
A
Retailer 6
-
$852 CAD
$610 USD
View
B+
Retailer 7
-
$1,020 CAD
$730 USD
View
B+
Retailer 8
-
$1,024 CAD
$733 USD
View
B+
Retailer 9
-
$1,157 CAD
£652 GBP
View
B+
Retailer 10
-
$1,171 CAD
$838 USD
View
B
Retailer 11
-
$1,880 CAD
$1,346 USD
View
B
Retailer 12
-
$2,060 CAD
$1,475 USD
View
B
Retailer 13
-
$2,517 CAD
£1,419 GBP
View
Most Expensive
B
Brilliant Earth
21067453A · Oct 30
$2,626 CAD
$1,880 USD
View
13 more retailers have this diamond
Prices start from $517 CADSave up to $2,109 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