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Round|Natural|GIA

1.31ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 2241015494

Certificate GIA 2241015494

Diamond specifications and retailer prices

From £1,643 GBP
HK$17,200 HKD
As of November 1, 2026
Save £3,015 GBP (65%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £4,658 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 2241015494. Listed at 8 retailers as of October 30, 2026, with prices from £1,643 to £4,658, a £3,015 spread on the same certified stone. NZ Jewellers lists it at £4,658. 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
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2241015494
Dimensions6.91 × 6.95 × 4.33 mm
L/W Ratio1.01
Key to symbols
Crystal, Feather, Needle
Top View
6.91 mm6.95 mm1.31 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2241015494
Side View
Table 59.0%CrownGirdle: MED-STKPavilion 41°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 1
Current: £4,658 GBP|Low: £1,624 GBP|High: £4,658 GBP|Avg: £2,769 GBP|+10.1%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 4£1,643 GBP
Retailer 3£2,228 GBP
Retailer 7£2,320 GBP
Retailer 6£2,349 GBP
Retailer 8£2,454 GBP
Retailer 2£2,563 GBP
Retailer 5£3,802 GBP
NZ Jewellers£4,658 GBP

36 data points across 8 retailers

8 retailers£1,643 GBP to £4,658 GBP

A
Cheapest Retailer
-
£1,643 GBP
HK$17,200 HKD
A
Retailer 2
-
£2,228 GBP
$2,985 USD
View
A
Retailer 3
-
£2,320 GBP
SGD 4,200 SGD
View
A
Retailer 4
-
£2,349 GBP
$3,147 USD
View
A
Retailer 5
-
£2,454 GBP
A$5,058 AUD
View
A
Retailer 6
-
£2,563 GBP
€3,271 EUR
View
B+
Retailer 7
-
£3,802 GBP
View
Most Expensive
B
NZ Jewellers
2c418c10-07c0-409c-b182-63d1eadd1bde · Oct 30
£4,658 GBP
$6,241 USD
View
7 more retailers have this diamond
Prices start from £1,643 GBPSave up to £3,015 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
£1,643 GBP