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Marquise|Lab Grown|IGI

0.42ct D SI1 Marquise Lab Grown Diamond

GD • D/SI1 • IGI LG741582960

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG741582960

Diamond specifications and retailer prices

From $275 NZD
$155 USD
As of November 1, 2026
Save $702 NZD (72%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $2,289 NZD at MOH London · As of October 18, 2026
View at MOH London

About this 0.42ct lab-grown marquise diamond

This 0.42ct lab-grown marquise sits in the sub-half-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG741582960 or 741582960. Listed at 9 retailers as of October 31, 2026, with a 255% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.42
Carat
D
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle33.5°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG741582960
Dimensions7.17 × 3.99 × 2.47 mm
L/W Ratio1.80
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.17 mm3.99 mm0.42 ctD / SI1
OriginLab Grown
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG741582960
Side View
Table 58.0%Crown 33.5°Girdle: MED-THKPavilion 38.7°Culet: NoneDepth 61.9%

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 1
Current: $2,289 NZD|Low: $275 NZD|High: $4,391 NZD|Avg: $913 NZD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 5$275 NZD
Retailer 6$387 NZD
Retailer 3$487 NZD
Retailer 2$562 NZD
Retailer 4$659 NZD
Retailer 7$803 NZD
MOH London$2,289 NZD

43 data points across 7 retailers

9 retailers$275 NZD to $978 NZD

A
Cheapest Retailer
-
$275 NZD
$155 USD
B+
Retailer 2
-
$387 NZD
$218 USD
View
B+
Retailer 3
-
$487 NZD
€261 EUR
View
B
Retailer 4
-
$562 NZD
£249 GBP
View
B
Retailer 5
-
$659 NZD
£292 GBP
View
B
Retailer 6
-
$803 NZD
$452 USD
View
B
Retailer 7
-
$978 NZD
$550 USD
View
Most Expensive
MOH London
LG741582960 · Oct 18
$2,289 NZD
£1,014 GBP
View
Price under review
7 more retailers have this diamond
Prices start from $275 NZDSave up to $702 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
0.42ct Marquise
$275 NZD