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Round|Natural|GIA

1.00ct D SI2 Round Natural Diamond

VG • D/SI2 • GIA 3535120329

Certificate GIA 3535120329

Diamond specifications and retailer prices

From £1,464 GBP
As of November 5, 2026
Save £2,576 GBP (64%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £4,040 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 SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 3535120329. Listed at 21 retailers as of November 5, 2026, with prices from £1,464 to £4,040, a £2,576 spread on the same certified stone. NZ Jewellers lists it at £4,040. 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
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38.5°
Pavilion angle39.8°
OriginNatural
Grading LabGIA
CertificateGIA 3535120329
Dimensions6.22 × 6.15 × 3.97 mm
L/W Ratio1.01
Top View
6.22 mm6.15 mm1.00 ctD / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 3535120329
Side View
Table 57.0%Crown 38.5°Girdle: STK-THKPavilion 39.8°Culet: NoneDepth 64.6%

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: £4,040 GBP|Low: £1,464 GBP|High: £4,161 GBP|Avg: £2,068 GBP|-2.9%
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
November 6, 2026
Retailer 18£1,464 GBP
Retailer 12£1,493 GBP
Retailer 9£1,568 GBP
Retailer 5£1,582 GBP
Retailer 10£1,583 GBP
Retailer 16£1,616 GBP
Retailer 11£1,651 GBP
Retailer 4£1,751 GBP
Retailer 3£1,831 GBP
Retailer 8£1,831 GBP
Retailer 2£1,849 GBP
Retailer 7£1,932 GBP
Retailer 19£1,932 GBP
Retailer 13£1,999 GBP
Retailer 17£2,020 GBP
Retailer 14£2,033 GBP
Retailer 15£2,253 GBP
Retailer 20£2,364 GBP
Retailer 6£3,450 GBP
NZ Jewellers£4,040 GBP

22 data points across 20 retailers

21 retailers£1,464 GBP to £4,040 GBP

A
Cheapest Retailer
-
£1,464 GBP
Retailer 2
-
£1,493 GBP
View
Price last confirmed 19 days ago
A
Retailer 3
-
£1,568 GBP
View
A
Retailer 4
-
£1,582 GBP
View
A
Retailer 5
-
£1,583 GBP
View
A
Retailer 6
-
£1,616 GBP
View
Final sale: no returns
A
Retailer 7
-
£1,651 GBP
View
A
Retailer 8
-
£1,751 GBP
View
A
Retailer 9
-
£1,831 GBP
View
A
Retailer 10
-
£1,831 GBP
View
A
Retailer 11
-
£1,849 GBP
View
A
Retailer 12
-
£1,932 GBP
View
A
Retailer 13
-
£1,932 GBP
View
A
Retailer 14
-
£1,999 GBP
View
A
Retailer 15
-
£2,020 GBP
View
A
Retailer 16
-
£2,033 GBP
View
B+
Retailer 17
-
£2,253 GBP
View
B+
Retailer 18
-
£2,364 GBP
View
Retailer 19
-
£2,525 GBP
View
Price last confirmed 47 days ago
B
Retailer 20
-
£3,450 GBP
View
Most Expensive
B
NZ Jewellers
4554309d-ff60-4427-9d26-4d9ebfc86ee3 · Nov 5
£4,040 GBP
$5,438 USD
View
20 more retailers have this diamond
Prices start from £1,464 GBPSave up to £2,576 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
£1,464 GBP