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Round|Natural|GIA

1.30ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 6561163484

Certificate GIA 6561163484

Diamond specifications and retailer prices

From £2,352 GBP
As of November 1, 2026
Save £3,072 GBP (57%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £5,424 GBP at NZ Jewellers · As of November 2, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6561163484. Listed at 16 retailers as of November 1, 2026, with prices from £2,352 to £5,424, a £3,072 spread on the same certified stone. NZ Jewellers lists it at £5,424. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.30
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6561163484
Dimensions6.92 × 6.97 × 4.35 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
6.92 mm6.97 mm1.30 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 6561163484
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.6%

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: £5,424 GBP|Low: £2,332 GBP|High: £5,518 GBP|Avg: £3,303 GBP|-1.7%
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 4, 2026
Retailer 14£2,352 GBP
Retailer 9£2,363 GBP
Retailer 3£2,686 GBP
Retailer 6£2,874 GBP
Retailer 5£2,962 GBP
Retailer 11£2,995 GBP
Retailer 10£3,113 GBP
Retailer 13£3,113 GBP
Retailer 4£3,298 GBP
Retailer 8£3,339 GBP
Retailer 7£3,378 GBP
Retailer 15£3,592 GBP
Retailer 2£3,594 GBP
Retailer 12£5,207 GBP
NZ Jewellers£5,424 GBP

28 data points across 15 retailers

16 retailers£2,352 GBP to £5,424 GBP

A
Cheapest Retailer
-
£2,352 GBP
A
Retailer 2
-
£2,363 GBP
View
A
Retailer 3
-
£2,610 GBP
View
A
Retailer 4
-
£2,686 GBP
View
Retailer 5
-
£2,962 GBP
View
Price last confirmed 12 days ago
A
Retailer 6
-
£2,995 GBP
View
B+
Retailer 7
-
£3,083 GBP
View
A
Retailer 8
-
£3,113 GBP
View
A
Retailer 9
-
£3,113 GBP
View
B+
Retailer 10
-
£3,298 GBP
View
B+
Retailer 11
-
£3,339 GBP
View
Retailer 12
-
£3,378 GBP
View
Price last confirmed 28 days ago
B+
Retailer 13
-
£3,592 GBP
View
B+
Retailer 14
-
£3,594 GBP
View
B
Retailer 15
-
£5,207 GBP
View
Most Expensive
B
NZ Jewellers
2ffc45c0-0fa1-4617-b109-087f23477e83 · Nov 2
£5,424 GBP
$7,260 USD
View
15 more retailers have this diamond
Prices start from £2,352 GBPSave up to £3,072 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
£2,352 GBP