Round|Natural|GIA

1.30ct I IF Round Natural Diamond

EX • I/IF • GIA 6561154205

Certificate GIA 6561154205

Diamond specifications and retailer prices

From £2,953 GBP
As of November 5, 2026
Save £900 GBP (23%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £3,852 GBP at Blue Nile · As of November 5, 2026
View at Blue Nile

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 I colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 6561154205. Listed at 7 retailers as of November 5, 2026, with prices from £2,953 to £3,852, a £900 spread on the same certified stone. Blue Nile lists it at £3,852. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.30
Carat
I
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6561154205
Dimensions6.93 × 6.96 × 4.34 mm
L/W Ratio1.00
Culet sizeNone
Top View
6.93 mm6.96 mm1.30 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6561154205
Side View
Table 59.0%Crown 35°Girdle: Slightly ThickPavilion 41.4°Culet: NoneDepth 62.5%

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 5
Current: £3,852 GBP|Low: £2,805 GBP|High: £3,870 GBP|Avg: £3,336 GBP|-0.5%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 2£2,953 GBP
Retailer 4£3,091 GBP
Retailer 7£3,255 GBP
Retailer 5£3,350 GBP
Retailer 3£3,400 GBP
Retailer 6£3,453 GBP
Blue Nile£3,852 GBP

45 data points across 7 retailers

7 retailers£2,953 GBP to £3,852 GBP

A
Cheapest Retailer
-
£2,953 GBP
A
Retailer 2
-
£3,091 GBP
View
A
Retailer 3
-
£3,255 GBP
View
A
Retailer 4
-
£3,350 GBP
View
Final sale: no returns
A
Retailer 5
-
£3,400 GBP
View
A
Retailer 6
-
£3,453 GBP
View
Most Expensive
A
Blue Nile
30112488 · Nov 5
£3,852 GBP
$5,185 USD
View
6 more retailers have this diamond
Prices start from £2,953 GBPSave up to £900 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
£2,953 GBP