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Round|Natural|GIA

1.51ct J SI1 Round Natural Diamond

VG • J/SI1 • GIA 7568752348

Certificate GIA 7568752348

Diamond specifications and retailer prices

From £2,495 GBP
As of November 4, 2026
Save £3,382 GBP (58%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £5,878 GBP at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 7568752348. Listed at 18 retailers as of November 2, 2026, with prices from £2,495 to £5,878, a £3,382 spread on the same certified stone. NZ Jewellers lists it at £5,878. 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
J
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38°
Pavilion angle40.4°
OriginNatural
Grading LabGIA
CertificateGIA 7568752348
Dimensions7.12 × 7.05 × 4.61 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
7.12 mm7.05 mm1.51 ctJ / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7568752348
Side View
Table 58.0%Crown 38°Girdle: STK-THKPavilion 40.4°Culet: NoneDepth 65.1%

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: £5,878 GBP|Low: £2,495 GBP|High: £7,135 GBP|Avg: £3,494 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 3, 2026
Retailer 7£2,495 GBP
Retailer 14£2,580 GBP
Retailer 4£2,732 GBP
Retailer 17£3,066 GBP
Retailer 6£3,069 GBP
Retailer 9£3,114 GBP
Retailer 16£3,194 GBP
Retailer 10£3,373 GBP
Retailer 13£3,373 GBP
Retailer 3£3,414 GBP
Retailer 11£3,429 GBP
Retailer 2£3,591 GBP
Retailer 8£3,892 GBP
Retailer 15£4,010 GBP
Retailer 5£4,146 GBP
Retailer 12£5,373 GBP
NZ Jewellers£5,878 GBP

5 data points across 17 retailers

18 retailers£2,495 GBP to £5,878 GBP

A
Cheapest Retailer
-
£2,495 GBP
A
Retailer 2
-
£2,580 GBP
View
B+
Retailer 3
-
£2,732 GBP
View
B+
Retailer 4
-
£2,796 GBP
View
B+
Retailer 5
-
£3,066 GBP
View
B+
Retailer 6
-
£3,069 GBP
View
B+
Retailer 7
-
£3,114 GBP
View
Final sale: no returns
B+
Retailer 8
-
£3,194 GBP
View
B+
Retailer 9
-
£3,373 GBP
View
B+
Retailer 10
-
£3,373 GBP
View
B+
Retailer 11
-
£3,414 GBP
View
B+
Retailer 12
-
£3,429 GBP
View
B
Retailer 13
-
£3,591 GBP
View
B
Retailer 14
-
£3,892 GBP
View
B
Retailer 15
-
£4,010 GBP
View
B
Retailer 16
-
£4,146 GBP
View
B
Retailer 17
-
£5,373 GBP
View
Most Expensive
C
NZ Jewellers
cbd2490a-52d9-4da4-851d-176c7b4362e1 · Nov 2
£5,878 GBP
$7,867 USD
View
17 more retailers have this diamond
Prices start from £2,495 GBPSave up to £3,382 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
1.51ct Round
£2,495 GBP