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Round|Natural|GIA

1.31ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 1567685300

Certificate GIA 1567685300

Diamond specifications and retailer prices

From £3,056 GBP
$4,095 USD
As of November 1, 2026
Save £3,149 GBP (51%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £6,205 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1567685300. Listed at 8 retailers as of October 30, 2026, with prices from £3,056 to £6,205, a £3,149 spread on the same certified stone. NZ Jewellers lists it at £6,205. 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

1.31
Carat
G
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1567685300
Dimensions6.99 × 6.95 × 4.39 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal, Needle
Top View
6.99 mm6.95 mm1.31 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1567685300
Side View
Table 56.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.0%

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: £6,205 GBP|Low: £3,056 GBP|High: £6,278 GBP|Avg: £4,310 GBP|-1.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 2£3,056 GBP
Retailer 6£3,105 GBP
Retailer 3£3,285 GBP
Retailer 5£3,561 GBP
Retailer 8£3,604 GBP
Retailer 7£4,011 GBP
Retailer 4£5,673 GBP
NZ Jewellers£6,205 GBP

7 data points across 8 retailers

8 retailers£3,056 GBP to £6,205 GBP

A
Cheapest Retailer
-
£3,056 GBP
$4,095 USD
A
Retailer 2
-
£3,105 GBP
SGD 5,623 SGD
View
A
Retailer 3
-
£3,285 GBP
View
B+
Retailer 4
-
£3,561 GBP
$4,772 USD
View
B+
Retailer 5
-
£3,604 GBP
$4,829 USD
View
B+
Retailer 6
-
£4,011 GBP
€5,119 EUR
View
B
Retailer 7
-
£5,673 GBP
View
Most Expensive
B
NZ Jewellers
c994ccfa-eec7-4d6c-9269-add0685f0df7 · Oct 30
£6,205 GBP
$8,314 USD
View
7 more retailers have this diamond
Prices start from £3,056 GBPSave up to £3,149 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
£3,056 GBP