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Round|Natural|GIA

1.31ct G I1 Round Natural Diamond

EX • G/I1 • GIA 1459594276

Certificate GIA 1459594276

Diamond specifications and retailer prices

From £1,108 GBP
HK$11,600 HKD
As of November 1, 2026
Save £2,059 GBP (65%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £3,167 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.31ct natural round diamond

This 1.31ct 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 1459594276. Listed at 4 retailers as of October 30, 2026, with prices from £1,108 to £3,167, a £2,059 spread on the same certified stone. NZ Jewellers lists it at £3,167. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.31
Carat
G
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1459594276
Dimensions6.97 × 6.93 × 4.34 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Cloud, Crystal, Needle
Top View
6.97 mm6.93 mm1.31 ctG / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1459594276
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.4%

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 1
Current: £3,167 GBP|Low: £1,099 GBP|High: £3,167 GBP|Avg: £1,872 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 31, 2026
Retailer 2£1,108 GBP
Retailer 4£1,515 GBP
Retailer 3£1,584 GBP
Retailer 5£1,994 GBP
NZ Jewellers£3,167 GBP

4 data points across 5 retailers

4 retailers£1,108 GBP to £3,167 GBP

A
Cheapest Retailer
-
£1,108 GBP
HK$11,600 HKD
A
Retailer 2
-
£1,515 GBP
$2,030 USD
View
A
Retailer 3
-
£1,584 GBP
$2,123 USD
View
Most Expensive
B
NZ Jewellers
e73aca2e-05e3-4bdc-a1e5-0071da169817 · Oct 30
£3,167 GBP
$4,243 USD
View
3 more retailers have this diamond
Prices start from £1,108 GBPSave up to £2,059 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
1.31ct Round
£1,108 GBP