CaratHunter
Plans
Oval|Natural|GIA

1.00ct H SI1 Oval Natural Diamond

EX • H/SI1 • GIA 2548770831

Certificate GIA 2548770831

Diamond specifications and retailer prices

From £1,877 GBP
As of November 6, 2026
Save £2,153 GBP (53%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £4,030 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural oval diamond

This 1ct natural oval sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2548770831. Listed at 24 retailers as of November 5, 2026, with prices from £1,877 to £4,030, a £2,153 spread on the same certified stone. NZ Jewellers lists it at £4,030. 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

1.00
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2548770831
Dimensions8.21 × 5.52 × 3.28 mm
L/W Ratio1.49
Top View
8.21 mm5.52 mm1.00 ctH / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2548770831
Side View
Table 57.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 59.3%

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 6
Current: £4,030 GBP|Low: £1,877 GBP|High: £4,117 GBP|Avg: £2,494 GBP
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
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
November 6, 2026
Retailer 8£1,877 GBP
Retailer 4£1,934 GBP
Retailer 7£1,968 GBP
Retailer 20£2,055 GBP
Retailer 11£2,096 GBP
Retailer 22£2,096 GBP
Retailer 21£2,120 GBP
Retailer 3£2,176 GBP
Retailer 13£2,242 GBP
Retailer 12£2,267 GBP
Retailer 9£2,273 GBP
Retailer 23£2,291 GBP
Retailer 2£2,379 GBP
Retailer 10£2,391 GBP
Retailer 16£2,391 GBP
Retailer 6£2,418 GBP
Retailer 14£2,436 GBP
Retailer 5£2,465 GBP
Retailer 19£2,707 GBP
Retailer 17£2,823 GBP
Retailer 15£3,369 GBP
Retailer 18£3,857 GBP
NZ Jewellers£4,030 GBP

28 data points across 23 retailers

24 retailers£1,877 GBP to £4,030 GBP

B+
Cheapest Retailer
-
£1,877 GBP
B+
Retailer 2
-
£1,934 GBP
View
B+
Retailer 3
-
£1,968 GBP
View
B+
Retailer 4
-
£2,055 GBP
View
Retailer 5
-
£2,096 GBP
View
Price last confirmed 8 days ago
B+
Retailer 6
-
£2,096 GBP
View
B
Retailer 7
-
£2,120 GBP
View
B+
Retailer 8
-
£2,176 GBP
View
B+
Retailer 9
-
£2,242 GBP
View
B+
Retailer 10
-
£2,267 GBP
View
B+
Retailer 11
-
£2,273 GBP
View
B+
Retailer 12
-
£2,291 GBP
View
B+
Retailer 13
-
£2,379 GBP
View
B+
Retailer 14
-
£2,391 GBP
View
B+
Retailer 15
-
£2,391 GBP
View
B+
Retailer 16
-
£2,418 GBP
View
B+
Retailer 17
-
£2,436 GBP
View
B
Retailer 18
-
£2,465 GBP
View
Retailer 19
-
£2,612 GBP
View
Price last confirmed 33 days ago
B
Retailer 20
-
£2,707 GBP
View
B
Retailer 21
-
£2,823 GBP
View
B
Retailer 22
-
£3,369 GBP
View
B
Retailer 23
-
£3,857 GBP
View
Most Expensive
B
NZ Jewellers
5cbbed0b-0d8c-4abb-9493-0c91688017c1 · Nov 5
£4,030 GBP
$5,394 USD
View
23 more retailers have this diamond
Prices start from £1,877 GBPSave up to £2,153 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
£1,877 GBP