Round|Natural|IGI

1.05ct G VS1 Round Natural Diamond

EX • G/VS1 • IGI 788609446

Shape and cutting style on the report: Round brilliant

Certificate IGI 788609446

Diamond specifications and retailer prices

From £2,312 GBP
€2,950 EUR
As of October 29, 2026
Save £2,628 GBP (53%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £4,940 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.05ct natural round diamond

This 1.05ct natural round sits in the classic one-carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI 788609446. Listed at 16 retailers as of October 29, 2026, with prices from £2,312 to £4,940, a £2,628 spread on the same certified stone. NZ Jewellers lists it at £4,940. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle41.2°
OriginNatural
Grading LabIGI
CertificateIGI 788609446
Dimensions6.45 × 6.48 × 4.05 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
6.45 mm6.48 mm1.05 ctG / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 788609446
Side View
Table 58.0%Crown 34.8°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.7%

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 29
Current: £4,940 GBP|Low: £2,312 GBP|High: £4,940 GBP|Avg: £3,285 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
Retailer 15
November 1, 2026
Retailer 3£2,312 GBP
Retailer 14£2,517 GBP
Retailer 13£2,617 GBP
Retailer 10£2,661 GBP
Retailer 15£2,713 GBP
Retailer 5£2,835 GBP
Retailer 4£2,944 GBP
Retailer 2£2,975 GBP
Retailer 9£3,128 GBP
Retailer 12£3,270 GBP
Retailer 6£3,272 GBP
Retailer 8£3,485 GBP
Retailer 7£3,628 GBP
Retailer 11£4,749 GBP
NZ Jewellers£4,940 GBP

43 data points across 15 retailers

16 retailers£2,312 GBP to £4,940 GBP

A
Cheapest Retailer
-
£2,312 GBP
€2,950 EUR
A
Retailer 2
-
£2,517 GBP
$3,373 USD
View
A
Retailer 3
-
£2,617 GBP
$3,506 USD
View
Final sale: no returns
A
Retailer 4
-
£2,661 GBP
View
A
Retailer 5
-
£2,713 GBP
$3,635 USD
View
A
Retailer 6
-
£2,835 GBP
$3,799 USD
View
A
Retailer 7
-
£2,944 GBP
$3,945 USD
View
A
Retailer 8
-
£2,945 GBP
$3,946 USD
View
A
Retailer 9
-
£2,975 GBP
View
A
Retailer 10
-
£3,128 GBP
€3,991 EUR
View
B+
Retailer 11
-
£3,270 GBP
View
B+
Retailer 12
-
£3,272 GBP
$4,384 USD
View
B+
Retailer 13
-
£3,485 GBP
ZAR 75,445 ZAR
View
B+
Retailer 14
-
£3,628 GBP
View
B
Retailer 15
-
£4,749 GBP
View
Most Expensive
B
NZ Jewellers
c2a4a340-a253-496b-9800-c9cccff2807a · Oct 30
£4,940 GBP
$6,619 USD
View
15 more retailers have this diamond
Prices start from £2,312 GBPSave up to £2,628 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
1.05ct Round
£2,312 GBP