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Round|Natural|GIA

0.63ct L I1 Round Natural Diamond

EX • L/I1 • GIA 1318851236

Certificate GIA 1318851236

Diamond specifications and retailer prices

From £528 GBP
As of November 5, 2026
Save £291 GBP (36%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £1,825 GBP at NZ Jewellers · As of November 4, 2026
View at NZ Jewellers

About this 0.63ct natural round diamond

This 0.63ct natural round sits in the half to three-quarter carat band, graded L colour (faint-tinted) and I1 clarity (included), with a top-tier cut grade and certified by GIA 1318851236. Listed at 6 retailers as of November 5, 2026, with a 55% 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

0.63
Carat
L
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1318851236
Dimensions5.45 × 5.48 × 3.40 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
5.45 mm5.48 mm0.63 ctL / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1318851236
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £1,825 GBP|Low: £433 GBP|High: £1,825 GBP|Avg: £755 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 9£433 GBP
Retailer 4£528 GBP
Retailer 6£528 GBP
Retailer 3£548 GBP
Retailer 5£609 GBP
Retailer 7£632 GBP
Retailer 2£819 GBP
Retailer 8£847 GBP
NZ Jewellers£1,825 GBP

20 data points across 9 retailers

6 retailers£528 GBP to £819 GBP

Retailer 1
-
£528 GBP
Price last confirmed 8 days ago
B
Retailer 2
-
£528 GBP
View
B
Retailer 3
-
£548 GBP
View
B
Retailer 4
-
£609 GBP
View
B
Retailer 5
-
£819 GBP
View
Most Expensive
NZ Jewellers
b85f2ea9-27db-4b25-be0a-db6c1a95585a · Nov 4
£1,825 GBP
$2,456 USD
View
Price under review
5 more retailers have this diamond
Prices start from £528 GBPSave up to £291 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
0.63ct Round
£528 GBP