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Oval|Natural|GIA

1.00ct D SI2 Oval Natural Diamond

EX • D/SI2 • GIA 6415433623

Certificate GIA 6415433623

Diamond specifications and retailer prices

From £1,595 GBP
HK$16,700 HKD
As of October 30, 2026
Save £2,923 GBP (65%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £4,518 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6415433623. Listed at 16 retailers as of October 30, 2026, with prices from £1,595 to £4,518, a £2,923 spread on the same certified stone. NZ Jewellers lists it at £4,518. 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
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6415433623
Dimensions7.67 × 5.52 × 3.58 mm
L/W Ratio1.39
Top View
7.67 mm5.52 mm1.00 ctD / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6415433623
Side View
Table 62.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 65.0%

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 30
Current: £1,655 GBP|Low: £1,493 GBP|High: £3,658 GBP|Avg: £2,133 GBP|-1.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 9£1,595 GBP
Retailer 1£1,655 GBP
Retailer 2£1,753 GBP
Retailer 8£1,802 GBP
Retailer 7£1,808 GBP
Retailer 11£1,958 GBP
Retailer 10£2,020 GBP
Retailer 4£2,310 GBP
Retailer 6£2,526 GBP
Retailer 3£2,572 GBP
Retailer 5£3,634 GBP

43 data points across 11 retailers

16 retailers£1,595 GBP to £4,518 GBP

A
Cheapest Retailer
-
£1,595 GBP
HK$16,700 HKD
A
Retailer 2
-
£1,655 GBP
$2,217 USD
View
A
Retailer 3
-
£1,802 GBP
$2,415 USD
View
A
Retailer 4
-
£1,808 GBP
$2,422 USD
View
Final sale: no returns
A
Retailer 5
-
£1,958 GBP
$2,623 USD
View
A
Retailer 6
-
£1,958 GBP
$2,623 USD
View
B+
Retailer 7
-
£2,020 GBP
$2,707 USD
View
B+
Retailer 8
-
£2,033 GBP
$2,724 USD
View
B+
Retailer 9
-
£2,239 GBP
$3,000 USD
View
B+
Retailer 10
-
£2,239 GBP
$3,000 USD
View
B+
Retailer 11
-
£2,259 GBP
$3,027 USD
View
B+
Retailer 12
-
£2,310 GBP
View
B+
Retailer 13
-
£2,314 GBP
$3,100 USD
View
B+
Retailer 14
-
£2,526 GBP
€3,224 EUR
View
B
Retailer 15
-
£3,634 GBP
View
Most Expensive
B
NZ Jewellers
62b09a7a-a920-42ca-8c1c-685a1d4fa3ad · Oct 30
£4,518 GBP
$6,054 USD
View
15 more retailers have this diamond
Prices start from £1,595 GBPSave up to £2,923 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
1.00ct Oval
£1,595 GBP