Round|Natural|IGI

0.78ct I VS2 Round Natural Diamond

EX • I/VS2 • IGI 818638575

Shape and cutting style on the report: Round brilliant

Certificate IGI 818638575

Diamond specifications and retailer prices

From £658 GBP
As of November 4, 2026
Save £1,350 GBP (67%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £2,007 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 I colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI 818638575. Listed at 14 retailers as of November 4, 2026, with prices from £658 to £2,007, a £1,350 spread on the same certified stone. NZ Jewellers lists it at £2,007. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.78
Carat
I
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.3°
OriginNatural
Grading LabIGI
CertificateIGI 818638575
Dimensions5.80 × 5.86 × 3.67 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
5.80 mm5.86 mm0.78 ctI / VS2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 818638575
Side View
Table 56.0%Crown 36.3°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 63.1%

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 4
Current: £2,007 GBP|Low: £657 GBP|High: £2,007 GBP|Avg: £1,033 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
Retailer 14
November 5, 2026
Retailer 10£658 GBP
Retailer 3£759 GBP
Retailer 11£770 GBP
Retailer 7£823 GBP
Retailer 9£855 GBP
Retailer 4£907 GBP
Retailer 5£922 GBP
Retailer 6£950 GBP
Retailer 14£952 GBP
Retailer 8£981 GBP
Retailer 13£1,144 GBP
Retailer 2£1,229 GBP
Retailer 12£1,506 GBP
NZ Jewellers£2,007 GBP

29 data points across 14 retailers

14 retailers£658 GBP to £2,007 GBP

A
Cheapest Retailer
-
£658 GBP
A
Retailer 2
-
£759 GBP
View
Final sale: no returns
A
Retailer 3
-
£770 GBP
View
A
Retailer 4
-
£823 GBP
View
A
Retailer 5
-
£855 GBP
View
A
Retailer 6
-
£907 GBP
View
A
Retailer 7
-
£922 GBP
View
A
Retailer 8
-
£950 GBP
View
A
Retailer 9
-
£952 GBP
View
A
Retailer 10
-
£981 GBP
View
A
Retailer 11
-
£1,144 GBP
View
A
Retailer 12
-
£1,229 GBP
View
B+
Retailer 13
-
£1,506 GBP
View
Most Expensive
B
NZ Jewellers
2703d62c-03e8-49a7-9284-3de1d9ecf3e3 · Nov 5
£2,007 GBP
$2,710 USD
View
13 more retailers have this diamond
Prices start from £658 GBPSave up to £1,350 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
£658 GBP