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Round|Natural|GIA

1.30ct G I1 Round Natural Diamond

EX • G/I1 • GIA 1413354321

Certificate GIA 1413354321

Diamond specifications and retailer prices

From £2,429 GBP
$3,255 USD
As of November 1, 2026
Save £864 GBP (26%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £3,294 GBP at Yorxs · As of November 1, 2026
View at Yorxs

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 I1 clarity (included), with a top-tier cut grade and certified by GIA 1413354321. Listed at 6 retailers as of November 1, 2026, with prices from £2,429 to £3,294, a £864 spread on the same certified stone. Yorxs lists it at £3,294. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.30
Carat
G
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1413354321
Dimensions6.96 × 6.95 × 4.31 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
6.96 mm6.95 mm1.30 ctG / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1413354321
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £3,172 GBP|Low: £2,429 GBP|High: £4,015 GBP|Avg: £3,122 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Yorxs
November 1, 2026
Retailer 3£2,429 GBP
Retailer 4£2,493 GBP
Retailer 1£3,172 GBP
Retailer 5£3,172 GBP
Retailer 2£3,276 GBP
Yorxs£3,294 GBP

24 data points across 6 retailers

6 retailers£2,429 GBP to £3,294 GBP

B+
Cheapest Retailer
-
£2,429 GBP
$3,255 USD
B+
Retailer 2
-
£2,493 GBP
$3,341 USD
View
B
Retailer 3
-
£3,172 GBP
$4,250 USD
View
B
Retailer 4
-
£3,172 GBP
$4,250 USD
View
B
Retailer 5
-
£3,276 GBP
$4,390 USD
View
Most Expensive
B
Yorxs
390057759 · Nov 1
£3,294 GBP
€4,203 EUR
View
5 more retailers have this diamond
Prices start from £2,429 GBPSave up to £864 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.

B+
1.30ct Round
£2,429 GBP