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Marquise|Lab Grown|IGI

2.03ct E SI1 Marquise Lab Grown Diamond

ID • E/SI1 • IGI LG851696742

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG851696742

Diamond specifications and retailer prices

From $282 USD
As of November 1, 2026
Save $1,298 USD (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,580 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 2.03ct lab-grown marquise diamond

This 2.03ct lab-grown marquise sits in the two to three carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG851696742 or 851696742. Listed at 11 retailers as of October 31, 2026, with prices from $282 to $1,580, a $1,298 spread on the same certified stone. Brilliant Earth lists it at $1,580. 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

2.03
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG851696742
Dimensions13.48 × 6.43 × 4.02 mm
L/W Ratio2.10
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.48 mm6.43 mm2.03 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG851696742
Side View
Table 60.0%Crown 38°Girdle: MED-THKPavilion 39.5°Culet: NoneDepth 62.5%

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: Nov 1
Current: $1,580 USD|Low: $272 USD|High: $2,670 USD|Avg: $866 USD|-40.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 9$272 USD
Retailer 5$282 USD
Retailer 2$377 USD
Retailer 12$415 USD
Retailer 7$571 USD
Retailer 11$626 USD
Retailer 8$969 USD
Retailer 10$973 USD
Retailer 4$1,021 USD
Retailer 6$1,207 USD
Retailer 3$1,331 USD
Brilliant Earth$1,580 USD

6 data points across 12 retailers

11 retailers$282 USD to $1,580 USD

A
Cheapest Retailer
-
$282 USD
A
Retailer 2
-
$377 USD
View
B+
Retailer 3
-
$415 USD
View
A
Retailer 4
-
$571 USD
View
A
Retailer 5
-
$626 USD
View
B+
Retailer 6
-
$969 USD
View
B+
Retailer 7
-
$973 USD
View
B+
Retailer 8
-
$1,021 USD
View
B+
Retailer 9
-
$1,207 USD
View
B
Retailer 10
-
$1,331 USD
View
Most Expensive
B
Brilliant Earth
22347767A · Oct 31
$1,580 USD
View
10 more retailers have this diamond
Prices start from $282 USDSave up to $1,298 USD

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
2.03ct Marquise
$282 USD