Oval|Natural|GIA

1.00ct I I1 Oval Natural Diamond

I/I1 • GIA 6451127777

Certificate GIA 6451127777

Diamond specifications and retailer prices

From £1,206 GBP
₹153,838 INR
As of November 1, 2026
Save £2,251 GBP (65%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £3,457 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1ct natural oval diamond

This 1ct natural oval sits in the classic one-carat band, graded I colour (near-colourless) and I1 clarity (included) and certified by GIA 6451127777. Listed at 9 retailers as of October 30, 2026, with prices from £1,206 to £3,457, a £2,251 spread on the same certified stone. NZ Jewellers lists it at £3,457. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
I
Colour
I1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6451127777
Dimensions7.68 × 5.46 × 3.52 mm
L/W Ratio1.41
Top View
7.68 mm5.46 mm1.00 ctI / I1
OriginNatural
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6451127777
Side View
Table 55.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 64.5%

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: Nov 1
Current: £3,457 GBP|Low: £1,194 GBP|High: £3,457 GBP|Avg: £1,810 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 2£1,206 GBP
Retailer 3£1,213 GBP
Retailer 6£1,494 GBP
Retailer 5£1,504 GBP
Retailer 8£1,654 GBP
Retailer 7£1,908 GBP
Retailer 4£2,066 GBP
NZ Jewellers£3,457 GBP

44 data points across 8 retailers

9 retailers£1,206 GBP to £3,457 GBP

B+
Cheapest Retailer
-
£1,206 GBP
₹153,838 INR
B+
Retailer 2
-
£1,213 GBP
HK$12,700 HKD
View
B
Retailer 3
-
£1,504 GBP
$2,015 USD
View
B
Retailer 4
-
£1,654 GBP
$2,216 USD
View
B
Retailer 5
-
£1,654 GBP
$2,216 USD
View
B
Retailer 6
-
£1,730 GBP
$2,318 USD
View
B
Retailer 7
-
£1,908 GBP
$2,557 USD
View
B
Retailer 8
-
£2,066 GBP
€2,636 EUR
View
Most Expensive
C
NZ Jewellers
50a9eccb-43bd-4a1e-8324-e65057568ddc · Oct 30
£3,457 GBP
$4,632 USD
View
8 more retailers have this diamond
Prices start from £1,206 GBPSave up to £2,251 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+
1.00ct Oval
£1,206 GBP