CaratHunter
Plans
Round|Natural|IGI

0.78ct J VS1 Round Natural Diamond

EX • J/VS1 • IGI 815656842

Shape and cutting style on the report: Round brilliant

Certificate IGI 815656842

Diamond specifications and retailer prices

From £713 GBP
As of November 1, 2026
Save £1,194 GBP (63%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,907 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.78ct natural round diamond

This 0.78ct natural round sits in the just-under-one-carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI 815656842. Listed at 16 retailers as of November 1, 2026, with prices from £713 to £1,907, a £1,194 spread on the same certified stone. NZ Jewellers lists it at £1,907. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.78
Carat
J
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40.3°
OriginNatural
Grading LabIGI
CertificateIGI 815656842
Dimensions5.92 × 5.96 × 3.56 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
5.92 mm5.96 mm0.78 ctJ / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 815656842
Side View
Table 60.0%Crown 33.8°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 59.9%

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: £1,907 GBP|Low: £713 GBP|High: £1,933 GBP|Avg: £986 GBP|-1.3%
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
Retailer 14
Retailer 15
Retailer 16
November 6, 2026
Retailer 6£713 GBP
Retailer 8£771 GBP
Retailer 15£782 GBP
Retailer 13£785 GBP
Retailer 9£811 GBP
Retailer 4£814 GBP
Retailer 7£844 GBP
Retailer 16£888 GBP
Retailer 10£901 GBP
Retailer 11£902 GBP
Retailer 2£903 GBP
Retailer 12£1,005 GBP
Retailer 3£1,155 GBP
Retailer 14£1,171 GBP
Retailer 5£1,440 GBP
NZ Jewellers£1,907 GBP

12 data points across 16 retailers

16 retailers£713 GBP to £1,907 GBP

A
Cheapest Retailer
-
£713 GBP
A
Retailer 2
-
£771 GBP
View
A
Retailer 3
-
£782 GBP
View
A
Retailer 4
-
£785 GBP
View
A
Retailer 5
-
£811 GBP
View
A
Retailer 6
-
£814 GBP
View
A
Retailer 7
-
£844 GBP
View
A
Retailer 8
-
£888 GBP
View
A
Retailer 9
-
£901 GBP
View
A
Retailer 10
-
£902 GBP
View
A
Retailer 11
-
£903 GBP
View
B+
Retailer 12
-
£1,005 GBP
View
B+
Retailer 13
-
£1,155 GBP
View
B+
Retailer 14
-
£1,171 GBP
View
B
Retailer 15
-
£1,440 GBP
View
Most Expensive
B
NZ Jewellers
4a646d36-b3e4-4f87-9057-ab3745ae82b4 · Nov 5
£1,907 GBP
$2,567 USD
View
15 more retailers have this diamond
Prices start from £713 GBPSave up to £1,194 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
0.78ct Round
£713 GBP