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Round|Natural|GIA

1.51ct N SI1 Round Natural Diamond

N/SI1 • GIA 2547369116

Shape and cutting style on the report: Half moon

Certificate GIA 2547369116

Diamond specifications and retailer prices

From £2,957 GBP
As of November 5, 2026
Save £545 GBP (16%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £3,502 GBP at Yorxs · As of November 6, 2026
View at Yorxs

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded N colour (tinted) and SI1 clarity (slightly-included) and certified by GIA 2547369116. Listed at 4 retailers as of November 5, 2026, with prices from £2,957 to £3,502, a £545 spread on the same certified stone. Yorxs lists it at £3,502. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
N
Colour
SI1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2547369116
Dimensions10.01 × 5.73 × 3.74 mm
L/W Ratio1.75
Top View
10.01 mm5.73 mm1.51 ctN / SI1
OriginNatural
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2547369116
Side View
Table 64.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 65.2%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £3,221 GBP|Low: £2,957 GBP|High: £5,497 GBP|Avg: £3,934 GBP|-13.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Yorxs
November 6, 2026
Retailer 2£2,957 GBP
Retailer 1£3,221 GBP
Retailer 3£3,500 GBP
Yorxs£3,502 GBP
Retailer 4£5,497 GBP

21 data points across 5 retailers

4 retailers£2,957 GBP to £3,502 GBP

B
Cheapest Retailer
-
£2,957 GBP
C
Retailer 2
-
£3,221 GBP
View
C
Retailer 3
-
£3,500 GBP
View
Most Expensive
C
Yorxs
FF912C630 · Nov 6
£3,502 GBP
€4,489 EUR
View
3 more retailers have this diamond
Prices start from £2,957 GBPSave up to £545 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
1.51ct Round
£2,957 GBP