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Round|Natural|GIA

1.30ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 6561279776

Certificate GIA 6561279776

Diamond specifications and retailer prices

From £2,158 GBP
As of November 4, 2026
Save £2,828 GBP (57%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £5,218 GBP at Queensmith · As of October 28, 2026
View at Queensmith

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 E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6561279776. Listed at 19 retailers as of November 2, 2026, with a 131% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6561279776
Dimensions6.96 × 7.00 × 4.35 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle, Indented Natural
Top View
6.96 mm7.00 mm1.30 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6561279776
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.3%

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: £5,218 GBP|Low: £2,158 GBP|High: £5,237 GBP|Avg: £3,264 GBP|+2.6%
Queensmith
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 6, 2026
Retailer 4£2,158 GBP
Retailer 14£2,207 GBP
Retailer 11£2,467 GBP
Retailer 15£2,518 GBP
Retailer 9£2,578 GBP
Retailer 12£2,597 GBP
Retailer 10£2,676 GBP
Retailer 5£2,862 GBP
Retailer 7£2,862 GBP
Retailer 16£2,909 GBP
Retailer 2£2,922 GBP
Retailer 6£2,972 GBP
Retailer 13£3,247 GBP
Retailer 17£3,337 GBP
Retailer 3£4,786 GBP
Retailer 8£4,986 GBP
Queensmith£5,218 GBP

36 data points across 17 retailers

19 retailers£2,158 GBP to £4,986 GBP

A
Cheapest Retailer
-
£2,158 GBP
A
Retailer 2
-
£2,207 GBP
View
A
Retailer 3
-
£2,467 GBP
View
A
Retailer 4
-
£2,518 GBP
View
A
Retailer 5
-
£2,578 GBP
View
A
Retailer 6
-
£2,583 GBP
View
A
Retailer 7
-
£2,597 GBP
View
Final sale: no returns
A
Retailer 8
-
£2,627 GBP
View
A
Retailer 9
-
£2,676 GBP
View
A
Retailer 10
-
£2,862 GBP
View
Retailer 11
-
£2,862 GBP
View
Price last confirmed 8 days ago
A
Retailer 12
-
£2,909 GBP
View
A
Retailer 13
-
£2,922 GBP
View
A
Retailer 14
-
£2,972 GBP
View
A
Retailer 15
-
£3,247 GBP
View
A
Retailer 16
-
£3,337 GBP
View
B+
Retailer 17
-
£4,786 GBP
View
B
Retailer 18
-
£4,986 GBP
View
Most Expensive
Queensmith
6561279776 · Oct 28
£5,218 GBP
View
Price last confirmed 8 days ago
18 more retailers have this diamond
Prices start from £2,158 GBPSave up to £2,828 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
£2,158 GBP