CaratHunter
Plans
Round|Natural|GIA

1.51ct J VS1 Round Natural Diamond

EX • J/VS1 • GIA 7378520825

Certificate GIA 7378520825

Diamond specifications and retailer prices

From £4,452 GBP
$5,965 USD
As of October 25, 2026
Save £5,427 GBP (55%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £9,879 GBP at NZ Jewellers · As of October 30, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 7378520825. Listed at 19 retailers as of October 25, 2026, with prices from £4,452 to £9,879, a £5,427 spread on the same certified stone. NZ Jewellers lists it at £9,879. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
J
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 7378520825
Dimensions7.32 × 7.27 × 4.56 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
7.32 mm7.27 mm1.51 ctJ / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7378520825
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.5%

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 25
Current: £9,879 GBP|Low: £4,452 GBP|High: £9,879 GBP|Avg: £6,298 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
November 1, 2026
Retailer 9£4,452 GBP
Retailer 12£4,667 GBP
Retailer 10£4,939 GBP
Retailer 11£4,952 GBP
Retailer 4£5,434 GBP
Retailer 5£5,531 GBP
Retailer 8£5,696 GBP
Retailer 3£6,149 GBP
Retailer 7£6,455 GBP
Retailer 6£7,257 GBP
Retailer 2£8,232 GBP
NZ Jewellers£9,879 GBP

41 data points across 12 retailers

19 retailers£4,452 GBP to £9,879 GBP

B+
Cheapest Retailer
-
£4,452 GBP
$5,965 USD
B+
Retailer 2
-
£4,667 GBP
$6,253 USD
View
B+
Retailer 3
-
£4,939 GBP
$6,618 USD
View
Final sale: no returns
B+
Retailer 4
-
£4,952 GBP
$6,635 USD
View
B
Retailer 5
-
£5,351 GBP
$7,170 USD
View
B
Retailer 6
-
£5,434 GBP
$7,281 USD
View
B+
Retailer 7
-
£5,531 GBP
View
Retailer 8
-
£5,696 GBP
A$11,741 AUD
View
Price last confirmed 10 days ago
B
Retailer 9
-
£5,918 GBP
$7,930 USD
View
B
Retailer 10
-
£5,918 GBP
$7,930 USD
View
B
Retailer 11
-
£5,989 GBP
$8,025 USD
View
B
Retailer 12
-
£6,120 GBP
$8,200 USD
View
Retailer 13
-
£6,149 GBP
View
Price last confirmed 32 days ago
B
Retailer 14
-
£6,174 GBP
$8,273 USD
View
B
Retailer 15
-
£6,455 GBP
€8,237 EUR
View
Retailer 16
-
£6,508 GBP
$8,720 USD
View
Price last confirmed 9 days ago
B
Retailer 17
-
£7,257 GBP
ZAR 157,079 ZAR
View
B
Retailer 18
-
£8,232 GBP
View
Most Expensive
B
NZ Jewellers
8de93124-6029-4362-80eb-6637eadb1a3e · Oct 30
£9,879 GBP
$13,237 USD
View
18 more retailers have this diamond
Prices start from £4,452 GBPSave up to £5,427 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
£4,452 GBP