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Marquise|Lab Grown|IGI

2.03ct D SI1 Marquise Lab Grown Diamond

VG • D/SI1 • IGI LG800664971

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG800664971

Diamond specifications and retailer prices

From $549 AUD
As of November 6, 2026
Save $2,694 AUD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,243 AUD at Brilliant Earth · As of November 4, 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 D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG800664971 or 800664971. Listed at 16 retailers as of November 4, 2026, with prices from $549 to $3,243, a $2,694 spread on the same certified stone. Brilliant Earth lists it at $3,243. 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

2.03
Carat
D
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.8°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800664971
Dimensions12.95 × 6.49 × 4.24 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
12.95 mm6.49 mm2.03 ctD / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800664971
Side View
Table 60.0%Crown 37.8°Girdle: MED-STKPavilion 41°Culet: NoneDepth 65.3%

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 6
Current: $3,243 AUD|Low: $526 AUD|High: $7,614 AUD|Avg: $1,487 AUD|-21.2%
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
November 6, 2026
Retailer 13$549 AUD
Retailer 14$614 AUD
Retailer 4$680 AUD
Retailer 15$680 AUD
Retailer 10$836 AUD
Retailer 9$893 AUD
Retailer 5$1,057 AUD
Retailer 6$1,059 AUD
Retailer 3$1,081 AUD
Retailer 2$1,219 AUD
Retailer 11$1,907 AUD
Retailer 7$2,238 AUD
Retailer 12$2,543 AUD
Retailer 8$2,648 AUD
Brilliant Earth$3,243 AUD

45 data points across 15 retailers

16 retailers$549 AUD to $3,243 AUD

A
Cheapest Retailer
-
$549 AUD
A
Retailer 2
-
$614 AUD
View
A
Retailer 3
-
$614 AUD
View
Final sale: no returns
A
Retailer 4
-
$680 AUD
View
Retailer 5
-
$680 AUD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$893 AUD
View
B+
Retailer 7
-
$1,057 AUD
View
B+
Retailer 8
-
$1,059 AUD
View
B+
Retailer 9
-
$1,081 AUD
View
B+
Retailer 10
-
$1,219 AUD
View
B
Retailer 11
-
$1,907 AUD
View
B
Retailer 12
-
$2,186 AUD
View
B
Retailer 13
-
$2,238 AUD
View
B
Retailer 14
-
$2,543 AUD
View
B
Retailer 15
-
$2,648 AUD
View
Most Expensive
B
Brilliant Earth
21067156A · Nov 4
$3,243 AUD
$2,270 USD
View
15 more retailers have this diamond
Prices start from $549 AUDSave up to $2,694 AUD

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
$549 AUD