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Round|Natural|GIA

1.00ct D SI1 Round Natural Diamond

VG • D/SI1 • GIA 3565104403

Certificate GIA 3565104403

Diamond specifications and retailer prices

From £2,231 GBP
As of November 5, 2026
Save £2,783 GBP (56%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £5,014 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 very-good cut grade and certified by GIA 3565104403. Listed at 23 retailers as of November 5, 2026, with prices from £2,231 to £5,014, a £2,783 spread on the same certified stone. NZ Jewellers lists it at £5,014. 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
D
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle32°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 3565104403
Dimensions6.46 × 6.43 × 3.87 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Feather, Crystal, Cloud
Top View
6.46 mm6.43 mm1.00 ctD / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 3565104403
Side View
Table 64.0%Crown 32°Girdle: MED-THKPavilion 41.8°Culet: NoneDepth 60.1%

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 5
Current: £2,812 GBP|Low: £2,231 GBP|High: £4,870 GBP|Avg: £3,100 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 6£2,231 GBP
Retailer 10£2,235 GBP
Retailer 7£2,549 GBP
Retailer 2£2,656 GBP
Retailer 1£2,812 GBP
Retailer 8£2,897 GBP
Retailer 3£3,083 GBP
Retailer 11£3,277 GBP
Retailer 5£3,307 GBP
Retailer 4£3,513 GBP
Retailer 9£4,813 GBP

38 data points across 11 retailers

23 retailers£2,231 GBP to £5,014 GBP

A
Cheapest Retailer
-
£2,231 GBP
B+
Retailer 2
-
£2,235 GBP
View
B+
Retailer 3
-
£2,479 GBP
View
B+
Retailer 4
-
£2,482 GBP
View
B+
Retailer 5
-
£2,532 GBP
View
B+
Retailer 6
-
£2,549 GBP
View
B+
Retailer 7
-
£2,656 GBP
View
Final sale: no returns
B+
Retailer 8
-
£2,749 GBP
View
B
Retailer 9
-
£2,812 GBP
View
Retailer 10
-
£2,878 GBP
View
Price last confirmed 8 days ago
B
Retailer 11
-
£2,878 GBP
View
B+
Retailer 12
-
£2,897 GBP
View
B
Retailer 13
-
£2,987 GBP
View
B
Retailer 14
-
£2,989 GBP
View
Retailer 15
-
£3,083 GBP
View
Price last confirmed 29 days ago
B+
Retailer 16
-
£3,094 GBP
View
B+
Retailer 17
-
£3,307 GBP
View
B
Retailer 18
-
£3,321 GBP
View
B
Retailer 19
-
£3,513 GBP
View
B
Retailer 20
-
£4,198 GBP
View
B
Retailer 21
-
£4,315 GBP
View
B
Retailer 22
-
£4,813 GBP
View
Most Expensive
B
NZ Jewellers
679d0ba9-7b29-4259-aca0-12b939829a1d · Nov 5
£5,014 GBP
$6,749 USD
View
22 more retailers have this diamond
Prices start from £2,231 GBPSave up to £2,783 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
£2,231 GBP