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Round|Natural|GIA

1.30ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 1565120746

Certificate GIA 1565120746

Diamond specifications and retailer prices

From £2,888 GBP
As of November 1, 2026
Save £2,929 GBP (50%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £5,816 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 1565120746. Listed at 15 retailers as of November 1, 2026, with prices from £2,888 to £5,816, a £2,929 spread on the same certified stone. NZ Jewellers lists it at £5,816. 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
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1565120746
Dimensions6.93 × 6.88 × 4.39 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.93 mm6.88 mm1.30 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1565120746
Side View
Table 57.0%CrownGirdle: THN-STKPavilionCulet: NoneDepth 63.5%

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: £5,816 GBP|Low: £2,888 GBP|High: £6,162 GBP|Avg: £3,987 GBP|-4.6%
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 6, 2026
Retailer 13£2,888 GBP
Retailer 2£2,996 GBP
Retailer 4£3,338 GBP
Retailer 14£3,338 GBP
Retailer 10£3,459 GBP
Retailer 8£3,528 GBP
Retailer 9£3,676 GBP
Retailer 12£3,676 GBP
Retailer 7£3,795 GBP
Retailer 3£3,852 GBP
Retailer 6£3,874 GBP
Retailer 5£4,220 GBP
Retailer 11£5,729 GBP
NZ Jewellers£5,816 GBP

32 data points across 14 retailers

15 retailers£2,888 GBP to £5,816 GBP

A
Cheapest Retailer
-
£2,888 GBP
A
Retailer 2
-
£2,996 GBP
View
A
Retailer 3
-
£3,000 GBP
View
B+
Retailer 4
-
£3,338 GBP
View
Retailer 5
-
£3,338 GBP
View
Price last confirmed 8 days ago
A
Retailer 6
-
£3,459 GBP
View
B+
Retailer 7
-
£3,528 GBP
View
B+
Retailer 8
-
£3,676 GBP
View
B+
Retailer 9
-
£3,676 GBP
View
B+
Retailer 10
-
£3,795 GBP
View
B+
Retailer 11
-
£3,852 GBP
View
Retailer 12
-
£3,874 GBP
View
Price last confirmed 33 days ago
Retailer 13
-
£4,220 GBP
View
Price last confirmed 31 days ago
B
Retailer 14
-
£5,729 GBP
View
Most Expensive
B
NZ Jewellers
287f4efe-781d-4122-b911-59fb60de79c5 · Nov 2
£5,816 GBP
$7,785 USD
View
14 more retailers have this diamond
Prices start from £2,888 GBPSave up to £2,929 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
£2,888 GBP