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Round|Natural|GIA

1.31ct H I1 Round Natural Diamond

EX • H/I1 • GIA 7541651625

Certificate GIA 7541651625

Diamond specifications and retailer prices

From £2,165 GBP
$2,901 USD
As of October 31, 2026
Save £2,406 GBP (53%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £4,571 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 H colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 7541651625. Listed at 5 retailers as of October 30, 2026, with prices from £2,165 to £4,571, a £2,406 spread on the same certified stone. NZ Jewellers lists it at £4,571. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.31
Carat
H
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 7541651625
Dimensions6.99 × 6.96 × 4.40 mm
L/W Ratio1.00
Key to symbols
Feather, Twinning Wisp, Crystal, Needle
Top View
6.99 mm6.96 mm1.31 ctH / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7541651625
Side View
Table 56.0%Crown 36°Girdle: MediumPavilion 41.2°Culet: NoneDepth 63.1%

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: Oct 31
Current: £4,571 GBP|Low: £1,912 GBP|High: £4,638 GBP|Avg: £2,510 GBP|+12.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 7£1,918 GBP
Retailer 6£2,109 GBP
Retailer 4£2,165 GBP
Retailer 3£2,186 GBP
Retailer 5£2,304 GBP
Retailer 2£2,519 GBP
NZ Jewellers£4,571 GBP

15 data points across 7 retailers

5 retailers£2,165 GBP to £4,571 GBP

B+
Cheapest Retailer
-
£2,165 GBP
$2,901 USD
B+
Retailer 2
-
£2,186 GBP
$2,929 USD
View
B+
Retailer 3
-
£2,304 GBP
$3,087 USD
View
B+
Retailer 4
-
£2,519 GBP
€3,215 EUR
View
Most Expensive
B
NZ Jewellers
0de8bc1d-f930-48c5-bea5-310356ac24d5 · Oct 30
£4,571 GBP
$6,125 USD
View
4 more retailers have this diamond
Prices start from £2,165 GBPSave up to £2,406 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+
1.31ct Round
£2,165 GBP