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Marquise|Natural|IGI

0.40ct J VVS1 Marquise Natural Diamond

EX • J/VVS1 • IGI 815655845

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 815655845

Diamond specifications and retailer prices

From £265 GBP
SGD 481 SGD
As of October 31, 2026
Save £399 GBP (60%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,104 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.4ct natural marquise diamond

This 0.4ct natural marquise sits in the sub-half-carat band, graded J colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI 815655845. Listed at 10 retailers as of October 31, 2026, with a 150% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.40
Carat
J
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle37.2°
Pavilion angle40.1°
OriginNatural
Grading LabIGI
CertificateIGI 815655845
Dimensions7.65 × 3.83 × 2.38 mm
L/W Ratio2.00
Girdle conditionFaceted
Top View
7.65 mm3.83 mm0.40 ctJ / VVS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateIGI 815655845
Side View
Table 61.0%Crown 37.2°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 62.1%

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: Oct 31
Current: £1,104 GBP|Low: £265 GBP|High: £1,139 GBP|Avg: £473 GBP|-3.1%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 6£265 GBP
Retailer 4£288 GBP
Retailer 10£311 GBP
Retailer 9£322 GBP
Retailer 7£361 GBP
Retailer 3£366 GBP
Retailer 8£447 GBP
Retailer 2£467 GBP
Retailer 5£664 GBP
NZ Jewellers£1,104 GBP

31 data points across 10 retailers

10 retailers£265 GBP to £664 GBP

A
Cheapest Retailer
-
£265 GBP
SGD 481 SGD
A
Retailer 2
-
£288 GBP
$386 USD
View
A
Retailer 3
-
£311 GBP
$417 USD
View
A
Retailer 4
-
£322 GBP
$432 USD
View
B+
Retailer 5
-
£361 GBP
$485 USD
View
B+
Retailer 6
-
£366 GBP
View
B+
Retailer 7
-
£447 GBP
ZAR 9,680 ZAR
View
B
Retailer 8
-
£467 GBP
€597 EUR
View
B
Retailer 9
-
£664 GBP
View
Most Expensive
NZ Jewellers
7f7ca2da-dba1-488b-8f04-076a13abb1df · Oct 30
£1,104 GBP
$1,481 USD
View
Price under review
9 more retailers have this diamond
Prices start from £265 GBPSave up to £399 GBP

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
0.40ct Marquise
£265 GBP