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Marquise|Lab Grown|IGI

2.09ct D SI1 Marquise Lab Grown Diamond

EX • D/SI1 • IGI LG840655978

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG840655978

Diamond specifications and retailer prices

From $525 NZD
$296 USD
As of November 1, 2026
Save $3,148 NZD (86%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $3,673 NZD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 2.09ct lab-grown marquise diamond

This 2.09ct lab-grown marquise sits in the two to three carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG840655978 or 840655978. Listed at 3 retailers as of October 30, 2026, with prices from $525 to $3,673, a $3,148 spread on the same certified stone. Brilliant Earth lists it at $3,673. 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

2.09
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840655978
Dimensions13.68 × 6.58 × 4.09 mm
L/W Ratio2.08
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.68 mm6.58 mm2.09 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840655978
Side View
Table 62.0%Crown 35.3°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $3,673 NZD|Low: $525 NZD|High: $5,234 NZD|Avg: $2,411 NZD|-29.8%
Brilliant Earth
Retailer 2
Retailer 3
November 1, 2026
Retailer 3$525 NZD
Retailer 2$1,056 NZD
Brilliant Earth$3,673 NZD

28 data points across 3 retailers

3 retailers$525 NZD to $3,673 NZD

A
Cheapest Retailer
-
$525 NZD
$296 USD
Final sale: no returns
A
Retailer 2
-
$1,056 NZD
£469 GBP
View
Most Expensive
B
Brilliant Earth
21623164A · Oct 30
$3,673 NZD
$2,070 USD
View
2 more retailers have this diamond
Prices start from $525 NZDSave up to $3,148 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
2.09ct Marquise
$525 NZD