CaratHunter
Plans
Round|Natural|GIA

1.00ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 6562088473

Certificate GIA 6562088473

Diamond specifications and retailer prices

From £1,826 GBP
As of November 4, 2026
Save £2,374 GBP (57%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £4,199 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6562088473. Listed at 17 retailers as of November 4, 2026, with prices from £1,826 to £4,199, a £2,374 spread on the same certified stone. NZ Jewellers lists it at £4,199. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6562088473
Dimensions6.33 × 6.37 × 3.98 mm
L/W Ratio1.01
Top View
6.33 mm6.37 mm1.00 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6562088473
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.7%

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: Nov 4
Current: £4,199 GBP|Low: £1,807 GBP|High: £4,199 GBP|Avg: £2,716 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
November 6, 2026
Retailer 12£1,826 GBP
Retailer 10£1,831 GBP
Retailer 3£2,140 GBP
Retailer 14£2,337 GBP
Retailer 5£2,410 GBP
Retailer 15£2,410 GBP
Retailer 2£2,479 GBP
Retailer 7£2,503 GBP
Retailer 4£2,517 GBP
Retailer 8£2,538 GBP
Retailer 6£2,781 GBP
Retailer 11£2,803 GBP
Retailer 9£2,942 GBP
Retailer 16£3,531 GBP
Retailer 13£4,052 GBP
NZ Jewellers£4,199 GBP

31 data points across 16 retailers

17 retailers£1,826 GBP to £4,199 GBP

A
Cheapest Retailer
-
£1,826 GBP
A
Retailer 2
-
£1,831 GBP
View
A
Retailer 3
-
£2,140 GBP
View
B+
Retailer 4
-
£2,337 GBP
View
B+
Retailer 5
-
£2,410 GBP
View
Retailer 6
-
£2,410 GBP
View
Price last confirmed 8 days ago
B+
Retailer 7
-
£2,479 GBP
View
B+
Retailer 8
-
£2,503 GBP
View
B+
Retailer 9
-
£2,517 GBP
View
Retailer 10
-
£2,538 GBP
View
Price last confirmed 10 days ago
Retailer 11
-
£2,655 GBP
View
Price last confirmed 33 days ago
B+
Retailer 12
-
£2,781 GBP
View
B+
Retailer 13
-
£2,803 GBP
View
B+
Retailer 14
-
£2,942 GBP
View
B
Retailer 15
-
£3,531 GBP
View
Retailer 16
-
£4,052 GBP
View
Price last confirmed 8 days ago
Most Expensive
B
NZ Jewellers
aa5aa9e6-2398-4e73-8e15-ad352750a6e3 · Nov 5
£4,199 GBP
$5,652 USD
View
16 more retailers have this diamond
Prices start from £1,826 GBPSave up to £2,374 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 Round
£1,826 GBP