Round|Natural|GIA

0.51ct J IF Round Natural Diamond

EX • J/IF • GIA 7472156839

Certificate GIA 7472156839

Diamond specifications and retailer prices

From £388 GBP
As of November 6, 2026
Save £829 GBP (68%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,655 GBP at NZ Jewellers · As of October 20, 2026
View at NZ Jewellers

About this 0.51ct natural round diamond

This 0.51ct natural round sits in the half to three-quarter carat band, graded J colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 7472156839. Listed at 21 retailers as of November 4, 2026, with a 214% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Flawless clarity in sub-one-carat stones is rarely visible to the naked eye over VS1, so you are paying a meaningful premium for grade rather than appearance.

The 4Cs

0.51
Carat
J
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 7472156839
Dimensions5.18 × 5.16 × 3.16 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
5.18 mm5.16 mm0.51 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7472156839
Side View
Table 57.0%Crown 34.5°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £388 GBP|Low: £388 GBP|High: £2,232 GBP|Avg: £802 GBP|-2.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 1£388 GBP
Retailer 3£487 GBP
Retailer 2£531 GBP
Retailer 6£623 GBP
Retailer 7£641 GBP
Retailer 11£661 GBP
Retailer 5£702 GBP
Retailer 10£723 GBP
Retailer 4£793 GBP
Retailer 8£814 GBP
Retailer 9£1,217 GBP
Retailer 12£1,321 GBP

35 data points across 12 retailers

21 retailers£388 GBP to £1,217 GBP

A
Cheapest Retailer
-
£388 GBP
Retailer 2
-
£447 GBP
View
Price last confirmed 63 days ago
A
Retailer 3
-
£487 GBP
View
Final sale: no returns
B+
Retailer 4
-
£499 GBP
View
Retailer 5
-
£528 GBP
View
Price last confirmed 21 days ago
Retailer 6
-
£528 GBP
View
Price last confirmed 44 days ago
Retailer 7
-
£528 GBP
View
Price last confirmed 17 days ago
Retailer 8
-
£531 GBP
View
Price last confirmed 16 days ago
Retailer 9
-
£609 GBP
View
Price last confirmed 45 days ago
B+
Retailer 10
-
£623 GBP
View
B+
Retailer 11
-
£626 GBP
View
B
Retailer 12
-
£641 GBP
View
B+
Retailer 13
-
£661 GBP
View
B+
Retailer 14
-
£702 GBP
View
B+
Retailer 15
-
£723 GBP
View
Retailer 16
-
£793 GBP
View
Price last confirmed 33 days ago
B
Retailer 17
-
£814 GBP
View
B
Retailer 18
-
£1,217 GBP
View
Retailer 19
-
£1,321 GBP
View
Price last confirmed 16 days ago
Retailer 20
-
£1,655 GBP
View
Price under review
Most Expensive
NZ Jewellers
9958ee06-efbe-4788-8c6c-827ce70825db · Oct 20
£1,655 GBP
$2,227 USD
View
Price under review
20 more retailers have this diamond
Prices start from £388 GBPSave up to £829 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
0.51ct Round
£388 GBP