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Marquise|Lab Grown|IGI

2.10ct E SI1 Marquise Lab Grown Diamond

EX • E/SI1 • IGI LG839604083

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG839604083

Diamond specifications and retailer prices

From $515 NZD
$290 USD
As of October 31, 2026
Save $531 NZD (51%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $2,688 NZD at Rare Carat · As of October 18, 2026
View at Rare Carat

About this 2.1ct lab-grown marquise diamond

This 2.1ct 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 LG839604083 or 839604083. Listed at 3 retailers as of October 31, 2026, with a 103% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

2.10
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.8°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839604083
Dimensions13.07 × 6.62 × 4.27 mm
L/W Ratio1.97
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.07 mm6.62 mm2.10 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839604083
Side View
Table 57.0%Crown 37.8°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 64.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $2,688 NZD|Low: $515 NZD|High: $2,715 NZD|Avg: $1,705 NZD|-1.0%
Rare Carat
Retailer 2
Retailer 3
October 31, 2026
Retailer 3$515 NZD
Retailer 2$1,045 NZD
Rare Carat$2,688 NZD

27 data points across 3 retailers

3 retailers$515 NZD to $1,045 NZD

A
Cheapest Retailer
-
$515 NZD
$290 USD
Final sale: no returns
A
Retailer 2
-
$1,045 NZD
£464 GBP
View
Most Expensive
Rare Carat
839604083 · Oct 18
$2,688 NZD
$1,515 USD
View
Price last confirmed 13 days ago
2 more retailers have this diamond
Prices start from $515 NZDSave up to $531 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
2.10ct Marquise
$515 NZD