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Marquise|Lab Grown|IGI

4.06ct H VS1 Marquise Lab Grown Diamond

EX • H/VS1 • IGI LG621456501

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG621456501

Diamond specifications and retailer prices

From $5,369 NZD
$3,026 USD
As of October 31, 2026
1 retailer carries this diamond
Only listing: $5,369 NZD at Blue Nile
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Blue Nile

About this 4.06ct lab-grown marquise diamond

This 4.06ct lab-grown marquise sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG621456501 or 621456501. Listed at a single retailer as of October 31, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.06
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621456501
Dimensions17.63 × 8.14 × 5.08 mm
L/W Ratio2.17
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
17.63 mm8.14 mm4.06 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621456501
Side View
Table 62.0%Crown 37.1°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.4%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 31
Current: $5,369 NZD|Low: $1,162 NZD|High: $8,889 NZD|Avg: $3,037 NZD|-0.0%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 17, 2026
Retailer 4$1,162 NZD
Retailer 10$1,379 NZD
Retailer 2$1,609 NZD
Retailer 7$1,829 NZD
Retailer 9$2,010 NZD
Retailer 6$2,330 NZD
Retailer 3$2,826 NZD
Retailer 5$2,964 NZD
Blue Nile$5,369 NZD
Retailer 8$8,889 NZD

2 data points across 10 retailers

1 retailer

B
Blue Nile
20519281 · Oct 31
$5,369 NZD
$3,026 USD
View

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.

B
4.06ct Marquise
$5,369 NZD