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Marquise|Lab Grown|IGI

4.05ct H VS1 Marquise Lab Grown Diamond

ID • H/VS1 • IGI LG805675448

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG805675448

Diamond specifications and retailer prices

From $1,239 NZD
£550 GBP
As of November 2, 2026
Save $8,130 NZD (87%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $9,368 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 4.05ct lab-grown marquise diamond

This 4.05ct 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 LG805675448 or 805675448. Listed at 11 retailers as of October 31, 2026, with prices from $1,239 to $9,368, a $8,130 spread on the same certified stone. Brilliant Earth lists it at $9,368. 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

4.05
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805675448
Dimensions16.63 × 8.24 × 5.22 mm
L/W Ratio2.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.63 mm8.24 mm4.05 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG805675448
Side View
Table 58.0%Crown 36.2°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 63.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $9,368 NZD|Low: $1,238 NZD|High: $9,368 NZD|Avg: $3,170 NZD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 2$1,239 NZD
Retailer 7$1,366 NZD
Retailer 3$1,746 NZD
Retailer 8$1,867 NZD
Retailer 9$2,213 NZD
Retailer 6$2,237 NZD
Retailer 4$2,252 NZD
Retailer 10$2,901 NZD
Retailer 11$3,658 NZD
Retailer 5$4,719 NZD
Brilliant Earth$9,368 NZD

13 data points across 11 retailers

11 retailers$1,239 NZD to $9,368 NZD

A
Cheapest Retailer
-
$1,239 NZD
£550 GBP
A
Retailer 2
-
$1,366 NZD
$770 USD
View
B+
Retailer 3
-
$1,746 NZD
$984 USD
View
A
Retailer 4
-
$1,867 NZD
€1,002 EUR
View
A
Retailer 5
-
$2,213 NZD
$1,247 USD
View
A
Retailer 6
-
$2,237 NZD
ZAR 20,368 ZAR
View
A
Retailer 7
-
$2,252 NZD
A$1,953 AUD
View
A
Retailer 8
-
$2,901 NZD
$1,635 USD
View
B+
Retailer 9
-
$3,658 NZD
$2,062 USD
View
B+
Retailer 10
-
$4,719 NZD
£2,094 GBP
View
Most Expensive
B
Brilliant Earth
22163598A · Oct 31
$9,368 NZD
$5,280 USD
View
10 more retailers have this diamond
Prices start from $1,239 NZDSave up to $8,130 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
4.05ct Marquise
$1,239 NZD