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Round|Natural|GIA

1.31ct M VS1 Round Natural Diamond

EX • M/VS1 • GIA 6551488838

Certificate GIA 6551488838

Diamond specifications and retailer prices

From £1,474 GBP
As of November 4, 2026
Save £1,026 GBP (41%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £4,196 GBP at NZ Jewellers · As of October 9, 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 M colour (faint-tinted) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 6551488838. Listed at 11 retailers as of November 2, 2026, with a 70% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.31
Carat
M
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6551488838
Dimensions6.99 × 7.03 × 4.32 mm
L/W Ratio1.01
Girdle conditionFaceted
Key to symbols
Crystal, Needle, Pinpoint, Cloud
Top View
6.99 mm7.03 mm1.31 ctM / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551488838
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°CuletDepth 61.6%

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 4
Current: £4,196 GBP|Low: £1,464 GBP|High: £4,196 GBP|Avg: £2,248 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 6£1,474 GBP
Retailer 7£1,765 GBP
Retailer 3£1,798 GBP
Retailer 11£1,914 GBP
Retailer 2£1,921 GBP
Retailer 8£2,008 GBP
Retailer 10£2,085 GBP
Retailer 9£2,316 GBP
Retailer 5£2,467 GBP
Retailer 4£2,500 GBP
NZ Jewellers£4,196 GBP

36 data points across 11 retailers

11 retailers£1,474 GBP to £2,500 GBP

A
Cheapest Retailer
-
£1,474 GBP
B+
Retailer 2
-
£1,765 GBP
View
B+
Retailer 3
-
£1,798 GBP
View
B+
Retailer 4
-
£1,914 GBP
View
B+
Retailer 5
-
£1,921 GBP
View
Retailer 6
-
£2,008 GBP
View
Price last confirmed 25 days ago
Retailer 7
-
£2,085 GBP
View
Price last confirmed 38 days ago
Retailer 8
-
£2,316 GBP
View
Price last confirmed 28 days ago
B
Retailer 9
-
£2,467 GBP
View
B
Retailer 10
-
£2,500 GBP
View
Most Expensive
NZ Jewellers
256bfc7b-67ec-48e3-88ca-96d7e10e639a · Oct 9
£4,196 GBP
$5,648 USD
View
Price last confirmed 28 days ago
10 more retailers have this diamond
Prices start from £1,474 GBPSave up to £1,026 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
£1,474 GBP