Marquise|Lab Grown|IGI

1.86ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG842613609

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG842613609

Diamond specifications and retailer prices

From $491 NZD
$276 USD
As of November 1, 2026
Save $2,211 NZD (82%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $2,701 NZD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.86ct lab-grown marquise diamond

This 1.86ct lab-grown marquise sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG842613609 or 842613609. Listed at 4 retailers as of November 1, 2026, with prices from $491 to $2,701, a $2,211 spread on the same certified stone. Brilliant Earth lists it at $2,701. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.86
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842613609
Dimensions12.62 × 6.35 × 4.05 mm
L/W Ratio1.99
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.62 mm6.35 mm1.86 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842613609
Side View
Table 56.0%Crown 35.3°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 63.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $2,701 NZD|Low: $491 NZD|High: $2,844 NZD|Avg: $1,728 NZD|-5.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
November 3, 2026
Retailer 4$491 NZD
Retailer 2$1,072 NZD
Retailer 3$2,390 NZD
Brilliant Earth$2,701 NZD

26 data points across 4 retailers

4 retailers$491 NZD to $2,701 NZD

A
Cheapest Retailer
-
$491 NZD
$276 USD
Final sale: no returns
A
Retailer 2
-
$1,072 NZD
£475 GBP
View
Retailer 3
-
$2,390 NZD
$1,345 USD
View
Price last confirmed 13 days ago
Most Expensive
B
Brilliant Earth
21704357A · Nov 2
$2,701 NZD
$1,520 USD
View
3 more retailers have this diamond
Prices start from $491 NZDSave up to $2,211 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
1.86ct Marquise
$491 NZD