CaratHunter
Plans
Oval|Natural|GIA

1.51ct J SI2 Oval Natural Diamond

EX • J/SI2 • GIA 7561186102

Certificate GIA 7561186102

Diamond specifications and retailer prices

From £1,806 GBP
HK$18,900 HKD
As of November 1, 2026
Save £2,410 GBP (57%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £4,215 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural oval diamond

This 1.51ct natural oval sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7561186102. Listed at 17 retailers as of October 30, 2026, with prices from £1,806 to £4,215, a £2,410 spread on the same certified stone. NZ Jewellers lists it at £4,215. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.51
Carat
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7561186102
Dimensions9.16 × 6.41 × 4.06 mm
L/W Ratio1.43
Top View
9.16 mm6.41 mm1.51 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7561186102
Side View
Table 60.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 63.4%

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 1
Current: £4,215 GBP|Low: £1,786 GBP|High: £4,476 GBP|Avg: £2,676 GBP|-5.8%
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
Retailer 18
November 1, 2026
Retailer 13£1,806 GBP
Retailer 6£2,066 GBP
Retailer 4£2,086 GBP
Retailer 5£2,149 GBP
Retailer 3£2,220 GBP
Retailer 10£2,302 GBP
Retailer 2£2,392 GBP
Retailer 16£2,420 GBP
Retailer 18£2,420 GBP
Retailer 12£2,508 GBP
Retailer 17£2,513 GBP
Retailer 15£2,527 GBP
Retailer 9£2,589 GBP
Retailer 8£2,592 GBP
Retailer 7£2,792 GBP
Retailer 14£2,833 GBP
Retailer 11£4,046 GBP
NZ Jewellers£4,215 GBP

23 data points across 18 retailers

17 retailers£1,806 GBP to £4,215 GBP

A
Cheapest Retailer
-
£1,806 GBP
HK$18,900 HKD
A
Retailer 2
-
£2,066 GBP
$2,768 USD
View
A
Retailer 3
-
£2,086 GBP
$2,795 USD
View
A
Retailer 4
-
£2,149 GBP
$2,879 USD
View
A
Retailer 5
-
£2,220 GBP
$2,974 USD
View
A
Retailer 6
-
£2,392 GBP
View
A
Retailer 7
-
£2,420 GBP
$3,242 USD
View
A
Retailer 8
-
£2,420 GBP
$3,242 USD
View
A
Retailer 9
-
£2,508 GBP
View
A
Retailer 10
-
£2,513 GBP
$3,367 USD
View
A
Retailer 11
-
£2,527 GBP
$3,386 USD
View
A
Retailer 12
-
£2,589 GBP
SGD 4,687 SGD
View
A
Retailer 13
-
£2,592 GBP
$3,473 USD
View
A
Retailer 14
-
£2,792 GBP
$3,741 USD
View
A
Retailer 15
-
£2,833 GBP
€3,615 EUR
View
B
Retailer 16
-
£4,046 GBP
View
Most Expensive
B
NZ Jewellers
b0e603c4-688b-4985-b7ca-4090d1af63c1 · Oct 30
£4,215 GBP
$5,648 USD
View
16 more retailers have this diamond
Prices start from £1,806 GBPSave up to £2,410 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 Oval
£1,806 GBP