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1.30ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 6561547107

Certificate GIA 6561547107

Diamond specifications and retailer prices

From £2,400 GBP
As of November 4, 2026
Save £2,898 GBP (55%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £5,297 GBP at MOH London · As of November 1, 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6561547107. Listed at 12 retailers as of November 1, 2026, with prices from £2,400 to £5,297, a £2,898 spread on the same certified stone. MOH London lists it at £5,297. 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
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6561547107
Dimensions6.93 × 6.89 × 4.34 mm
L/W Ratio1.01
Top View
6.93 mm6.89 mm1.30 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6561547107
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°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: £5,297 GBP|Low: £2,381 GBP|High: £5,326 GBP|Avg: £3,372 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
November 3, 2026
Retailer 9£2,400 GBP
Retailer 6£2,417 GBP
Retailer 12£2,787 GBP
Retailer 10£3,011 GBP
Retailer 4£3,030 GBP
Retailer 7£3,047 GBP
Retailer 5£3,220 GBP
Retailer 3£3,278 GBP
Retailer 2£3,421 GBP
Retailer 8£3,893 GBP
Retailer 11£4,649 GBP
MOH London£5,297 GBP

24 data points across 12 retailers

12 retailers£2,400 GBP to £5,297 GBP

A
Cheapest Retailer
-
£2,400 GBP
A
Retailer 2
-
£2,417 GBP
View
A
Retailer 3
-
£2,787 GBP
View
B+
Retailer 4
-
£3,011 GBP
View
Retailer 5
-
£3,030 GBP
View
Price last confirmed 11 days ago
B+
Retailer 6
-
£3,047 GBP
View
B+
Retailer 7
-
£3,220 GBP
View
B+
Retailer 8
-
£3,278 GBP
View
B+
Retailer 9
-
£3,421 GBP
View
B+
Retailer 10
-
£3,893 GBP
View
B
Retailer 11
-
£4,649 GBP
View
Most Expensive
B
MOH London
EFC226698 · Nov 1
£5,297 GBP
View
11 more retailers have this diamond
Prices start from £2,400 GBPSave up to £2,898 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
£2,400 GBP