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Round|Natural|GIA

1.30ct I VS1 Round Natural Diamond

EX • I/VS1 • GIA 2556967959

Certificate GIA 2556967959

Diamond specifications and retailer prices

From £2,539 GBP
As of November 4, 2026
Save £2,967 GBP (54%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £6,126 GBP at NZ Jewellers · As of October 20, 2026
View at NZ Jewellers

About this 1.3ct natural round diamond

This 1.3ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 2556967959. Listed at 23 retailers as of November 4, 2026, with a 117% 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

1.30
Carat
I
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2556967959
Dimensions6.94 × 6.98 × 4.37 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Pinpoint
Top View
6.94 mm6.98 mm1.30 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556967959
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.8%

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: £6,126 GBP|Low: £2,520 GBP|High: £6,126 GBP|Avg: £3,825 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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 6, 2026
Retailer 17£2,539 GBP
Retailer 5£2,638 GBP
Retailer 4£3,023 GBP
Retailer 3£3,199 GBP
Retailer 2£3,216 GBP
Retailer 14£3,226 GBP
Retailer 7£3,317 GBP
Retailer 6£3,516 GBP
Retailer 9£3,516 GBP
Retailer 8£3,544 GBP
Retailer 10£3,627 GBP
Retailer 13£3,859 GBP
Retailer 15£3,897 GBP
Retailer 18£4,031 GBP
Retailer 11£4,057 GBP
Retailer 12£4,229 GBP
Retailer 19£4,940 GBP
Retailer 16£5,506 GBP
NZ Jewellers£6,126 GBP

35 data points across 19 retailers

23 retailers£2,539 GBP to £5,506 GBP

A
Cheapest Retailer
-
£2,539 GBP
Retailer 2
-
£2,638 GBP
View
Price last confirmed 15 days ago
Retailer 3
-
£2,909 GBP
View
Price last confirmed 11 days ago
A
Retailer 4
-
£3,023 GBP
View
A
Retailer 5
-
£3,199 GBP
View
Final sale: no returns
A
Retailer 6
-
£3,216 GBP
View
A
Retailer 7
-
£3,226 GBP
View
Retailer 8
-
£3,317 GBP
View
Price last confirmed 13 days ago
Retailer 9
-
£3,516 GBP
View
Price last confirmed 15 days ago
Retailer 10
-
£3,516 GBP
View
Price last confirmed 29 days ago
Retailer 11
-
£3,516 GBP
View
Price last confirmed 15 days ago
Retailer 12
-
£3,544 GBP
View
Price last confirmed 28 days ago
Retailer 13
-
£3,627 GBP
View
Price last confirmed 19 days ago
Retailer 14
-
£3,628 GBP
View
Price last confirmed 60 days ago
A
Retailer 15
-
£3,859 GBP
View
B+
Retailer 16
-
£3,897 GBP
View
B+
Retailer 17
-
£4,031 GBP
View
Retailer 18
-
£4,057 GBP
View
Price last confirmed 14 days ago
Retailer 19
-
£4,186 GBP
View
Price last confirmed 60 days ago
B+
Retailer 20
-
£4,229 GBP
View
B
Retailer 21
-
£4,940 GBP
View
B+
Retailer 22
-
£5,506 GBP
View
Most Expensive
NZ Jewellers
0e261d16-0c87-465d-a886-16f67c3425a2 · Oct 20
£6,126 GBP
$8,245 USD
View
Price last confirmed 16 days ago
22 more retailers have this diamond
Prices start from £2,539 GBPSave up to £2,967 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
1.30ct Round
£2,539 GBP