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Round|Natural|GIA

1.30ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 1567418385

Certificate GIA 1567418385

Diamond specifications and retailer prices

From £2,955 GBP
As of November 6, 2026
Save £3,458 GBP (54%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £6,413 GBP at MOH London · As of November 2, 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 1567418385. Listed at 17 retailers as of November 2, 2026, with prices from £2,955 to £6,413, a £3,458 spread on the same certified stone. MOH London lists it at £6,413. 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 angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1567418385
Dimensions6.95 × 6.92 × 4.35 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
6.95 mm6.92 mm1.30 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1567418385
Side View
Table 58.0%Crown 35.5°Girdle: Slightly ThickPavilion 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: Nov 6
Current: £6,413 GBP|Low: £2,840 GBP|High: £6,413 GBP|Avg: £3,800 GBP|+0.6%
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
November 4, 2026
Retailer 17£2,955 GBP
Retailer 11£3,062 GBP
Retailer 7£3,252 GBP
Retailer 13£3,284 GBP
Retailer 8£3,302 GBP
Retailer 5£3,366 GBP
Retailer 14£3,377 GBP
Retailer 2£3,437 GBP
Retailer 15£3,489 GBP
Retailer 4£3,523 GBP
Retailer 9£3,641 GBP
Retailer 10£3,680 GBP
Retailer 16£3,860 GBP
Retailer 3£3,874 GBP
Retailer 6£4,982 GBP
Retailer 12£5,929 GBP
MOH London£6,413 GBP

15 data points across 17 retailers

17 retailers£2,955 GBP to £6,413 GBP

A
Cheapest Retailer
-
£2,955 GBP
A
Retailer 2
-
£3,062 GBP
View
A
Retailer 3
-
£3,252 GBP
View
Retailer 4
-
£3,284 GBP
View
Price last confirmed 3 days ago
Retailer 5
-
£3,302 GBP
View
Price last confirmed 8 days ago
B+
Retailer 6
-
£3,366 GBP
View
Final sale: no returns
A
Retailer 7
-
£3,377 GBP
View
A
Retailer 8
-
£3,437 GBP
View
B+
Retailer 9
-
£3,489 GBP
View
B+
Retailer 10
-
£3,523 GBP
View
Retailer 11
-
£3,641 GBP
View
Price last confirmed 10 days ago
B+
Retailer 12
-
£3,680 GBP
View
B+
Retailer 13
-
£3,860 GBP
View
B+
Retailer 14
-
£3,874 GBP
View
B
Retailer 15
-
£4,982 GBP
View
B
Retailer 16
-
£5,929 GBP
View
Most Expensive
B
MOH London
626A11770 · Nov 2
£6,413 GBP
View
16 more retailers have this diamond
Prices start from £2,955 GBPSave up to £3,458 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
£2,955 GBP