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Marquise|Natural|IGI

0.80ct J SI1 Marquise Natural Diamond

VG • J/SI1 • IGI 780654994

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 780654994

Diamond specifications and retailer prices

From £344 GBP
₹43,953 INR
As of November 2, 2026
Save £1,080 GBP (76%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,424 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.8ct natural marquise diamond

This 0.8ct natural marquise sits in the just-under-one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 780654994. Listed at 16 retailers as of October 30, 2026, with prices from £344 to £1,424, a £1,080 spread on the same certified stone. NZ Jewellers lists it at £1,424. 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

0.80
Carat
J
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle41.4°
OriginNatural
Grading LabIGI
CertificateIGI 780654994
Dimensions8.86 × 4.77 × 3.25 mm
L/W Ratio1.86
Girdle conditionFaceted
Culet sizePointed
Top View
8.86 mm4.77 mm0.80 ctJ / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 780654994
Side View
Table 51.0%Crown 34.8°Girdle: STK-THKPavilion 41.4°Culet: NoneDepth 68.1%

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: Nov 2
Current: £1,424 GBP|Low: £343 GBP|High: £1,424 GBP|Avg: £644 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 2£344 GBP
Retailer 4£454 GBP
Retailer 3£489 GBP
Retailer 12£489 GBP
Retailer 9£514 GBP
Retailer 13£524 GBP
Retailer 5£560 GBP
Retailer 6£573 GBP
Retailer 7£575 GBP
Retailer 10£671 GBP
Retailer 11£672 GBP
Retailer 8£1,049 GBP
NZ Jewellers£1,424 GBP

25 data points across 13 retailers

16 retailers£344 GBP to £1,424 GBP

A
Cheapest Retailer
-
£344 GBP
₹43,953 INR
Retailer 2
-
£437 GBP
$586 USD
View
Price last confirmed 91 days ago
B+
Retailer 3
-
£454 GBP
$609 USD
View
Retailer 4
-
£454 GBP
$609 USD
View
Price last confirmed 35 days ago
A
Retailer 5
-
£489 GBP
$656 USD
View
B+
Retailer 6
-
£489 GBP
$656 USD
View
A
Retailer 7
-
£514 GBP
$690 USD
View
B+
Retailer 8
-
£524 GBP
$703 USD
View
B+
Retailer 9
-
£552 GBP
$741 USD
View
B+
Retailer 10
-
£560 GBP
$751 USD
View
A
Retailer 11
-
£573 GBP
View
B+
Retailer 12
-
£575 GBP
View
B+
Retailer 13
-
£671 GBP
€857 EUR
View
B+
Retailer 14
-
£672 GBP
ZAR 14,562 ZAR
View
B
Retailer 15
-
£1,049 GBP
View
Most Expensive
B
NZ Jewellers
e739ce3d-e5ef-4aab-9d8e-39c6c6b3614d · Oct 30
£1,424 GBP
$1,911 USD
View
15 more retailers have this diamond
Prices start from £344 GBPSave up to £1,080 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
0.80ct Marquise
£344 GBP