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Marquise|Lab Grown|IGI

2.05ct F SI1 Marquise Lab Grown Diamond

EX • F/SI1 • IGI LG839604596

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG839604596

Diamond specifications and retailer prices

From $499 NZD
$281 USD
As of November 1, 2026
Save $2,326 NZD (82%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $2,826 NZD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 2.05ct lab-grown marquise diamond

This 2.05ct lab-grown marquise sits in the two to three carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG839604596 or 839604596. Listed at 3 retailers as of November 1, 2026, with prices from $499 to $2,826, a $2,326 spread on the same certified stone. Brilliant Earth lists it at $2,826. 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

2.05
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839604596
Dimensions13.04 × 6.65 × 4.17 mm
L/W Ratio1.96
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.04 mm6.65 mm2.05 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839604596
Side View
Table 61.0%Crown 34.4°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $2,826 NZD|Low: $499 NZD|High: $4,550 NZD|Avg: $2,143 NZD|-37.9%
Brilliant Earth
Retailer 2
Retailer 3
November 2, 2026
Retailer 3$499 NZD
Retailer 2$1,084 NZD
Brilliant Earth$2,826 NZD

32 data points across 3 retailers

3 retailers$499 NZD to $2,826 NZD

A
Cheapest Retailer
-
$499 NZD
$281 USD
Final sale: no returns
A
Retailer 2
-
$1,084 NZD
£480 GBP
View
Most Expensive
B+
Brilliant Earth
21572476A · Nov 2
$2,826 NZD
$1,590 USD
View
2 more retailers have this diamond
Prices start from $499 NZDSave up to $2,326 NZD

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
2.05ct Marquise
$499 NZD