Round|Natural|GIA

0.51ct E I1 Round Natural Diamond

EX • E/I1 • GIA 6542652661

Certificate GIA 6542652661

Diamond specifications and retailer prices

From £306 GBP
₹38,822 INR
As of October 29, 2026
Save £310 GBP (50%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £1,437 GBP at NZ Jewellers · As of September 28, 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 E colour (colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 6542652661. Listed at 22 retailers as of October 29, 2026, with a 101% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
E
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6542652661
Dimensions5.13 × 5.15 × 3.14 mm
L/W Ratio1.00
Top View
5.13 mm5.15 mm0.51 ctE / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6542652661
Side View
Table 56.0%Crown 33°Girdle: STK-STKPavilion 40.8°Culet: NoneDepth 61.1%

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: Oct 29
Current: £1,295 GBP|Low: £304 GBP|High: £1,295 GBP|Avg: £516 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 3£306 GBP
Retailer 5£346 GBP
Retailer 6£413 GBP
Retailer 4£445 GBP
Retailer 7£477 GBP
Retailer 8£502 GBP
Retailer 2£617 GBP
NZ Jewellers£1,295 GBP

43 data points across 8 retailers

22 retailers£306 GBP to £617 GBP

A
Cheapest Retailer
-
£306 GBP
₹38,822 INR
A
Retailer 2
-
£346 GBP
HK$3,600 HKD
View
Retailer 3
-
£413 GBP
$550 USD
View
Price last confirmed 10 days ago
Retailer 4
-
£413 GBP
$550 USD
View
Price last confirmed 18 days ago
A
Retailer 5
-
£413 GBP
$550 USD
View
Retailer 6
-
£445 GBP
$593 USD
View
Price last confirmed 14 days ago
B+
Retailer 7
-
£445 GBP
$593 USD
View
Retailer 8
-
£445 GBP
$593 USD
View
Price last confirmed 18 days ago
B+
Retailer 9
-
£445 GBP
$593 USD
View
Retailer 10
-
£458 GBP
$610 USD
View
Price last confirmed 22 days ago
Retailer 11
-
£458 GBP
$610 USD
View
Price last confirmed 28 days ago
Retailer 12
-
£477 GBP
$635 USD
View
Price last confirmed 9 days ago
Retailer 13
-
£477 GBP
$635 USD
View
Price last confirmed 18 days ago
Retailer 14
-
£493 GBP
$657 USD
View
Price last confirmed 30 days ago
B+
Retailer 15
-
£502 GBP
$669 USD
View
Retailer 16
-
£529 GBP
$704 USD
View
Price last confirmed 30 days ago
Retailer 17
-
£529 GBP
$704 USD
View
Price last confirmed 26 days ago
B+
Retailer 18
-
£617 GBP
€782 EUR
View
Retailer 19
-
£1,295 GBP
$1,725 USD
View
Price last confirmed 16 days ago
Retailer 20
-
£1,295 GBP
$1,725 USD
View
Price last confirmed 9 days ago
Retailer 21
-
£1,437 GBP
$1,914 USD
View
Price last confirmed 27 days ago
Most Expensive
NZ Jewellers
575f6d36-abc6-4763-855d-b5d4fb2fee6f · Sep 28
£1,437 GBP
$1,914 USD
View
Price last confirmed 31 days ago
21 more retailers have this diamond
Prices start from £306 GBPSave up to £310 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
£306 GBP