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Round|Natural|GIA

1.30ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 2245089896

Certificate GIA 2245089896

Diamond specifications and retailer prices

From £2,926 GBP
As of November 6, 2026
Save £3,360 GBP (53%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £6,286 GBP at MOH London · As of November 4, 2026
View at MOH London

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 2245089896. Listed at 18 retailers as of November 4, 2026, with prices from £2,926 to £6,286, a £3,360 spread on the same certified stone. MOH London lists it at £6,286. 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
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2245089896
Dimensions6.96 × 6.92 × 4.35 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.96 mm6.92 mm1.30 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2245089896
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°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 6
Current: £6,286 GBP|Low: £2,782 GBP|High: £6,303 GBP|Avg: £3,891 GBP|+1.0%
MOH London
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
November 6, 2026
Retailer 3£2,926 GBP
Retailer 16£3,030 GBP
Retailer 7£3,198 GBP
Retailer 2£3,242 GBP
Retailer 6£3,309 GBP
Retailer 14£3,336 GBP
Retailer 18£3,344 GBP
Retailer 15£3,381 GBP
Retailer 5£3,488 GBP
Retailer 9£3,576 GBP
Retailer 12£3,643 GBP
Retailer 11£3,787 GBP
Retailer 8£3,795 GBP
Retailer 10£3,930 GBP
Retailer 13£4,828 GBP
Retailer 4£4,946 GBP
Retailer 17£5,870 GBP
MOH London£6,286 GBP

16 data points across 18 retailers

18 retailers£2,926 GBP to £6,286 GBP

A
Cheapest Retailer
-
£2,926 GBP
A
Retailer 2
-
£3,030 GBP
View
A
Retailer 3
-
£3,198 GBP
View
A
Retailer 4
-
£3,242 GBP
View
B+
Retailer 5
-
£3,309 GBP
View
Final sale: no returns
B+
Retailer 6
-
£3,336 GBP
View
A
Retailer 7
-
£3,344 GBP
View
A
Retailer 8
-
£3,381 GBP
View
B+
Retailer 9
-
£3,488 GBP
View
Retailer 10
-
£3,576 GBP
View
Price last confirmed 10 days ago
B+
Retailer 11
-
£3,643 GBP
View
B+
Retailer 12
-
£3,787 GBP
View
B+
Retailer 13
-
£3,795 GBP
View
Retailer 14
-
£3,930 GBP
View
Price last confirmed 11 days ago
B+
Retailer 15
-
£4,828 GBP
View
B+
Retailer 16
-
£4,946 GBP
View
B
Retailer 17
-
£5,870 GBP
View
Most Expensive
B
MOH London
4B4D3611E · Nov 4
£6,286 GBP
View
17 more retailers have this diamond
Prices start from £2,926 GBPSave up to £3,360 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
£2,926 GBP