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Round|Natural|GIA

1.00ct D SI1 Round Natural Diamond

VG • D/SI1 • GIA 1569724199

Certificate GIA 1569724199

Diamond specifications and retailer prices

From £1,883 GBP
As of November 4, 2026
Save £2,479 GBP (57%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £4,361 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 1569724199. Listed at 22 retailers as of November 4, 2026, with prices from £1,883 to £4,361, a £2,479 spread on the same certified stone. NZ Jewellers lists it at £4,361. 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 angle36°
Pavilion angle40.2°
OriginNatural
Grading LabGIA
CertificateGIA 1569724199
Dimensions6.28 × 6.34 × 4.00 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
6.28 mm6.34 mm1.00 ctD / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1569724199
Side View
Table 54.0%Crown 36°Girdle: STK-THKPavilion 40.2°Culet: NoneDepth 63.4%

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: £4,361 GBP|Low: £1,873 GBP|High: £4,408 GBP|Avg: £2,634 GBP|-1.1%
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
November 6, 2026
Retailer 14£1,883 GBP
Retailer 19£1,891 GBP
Retailer 7£2,043 GBP
Retailer 11£2,112 GBP
Retailer 8£2,192 GBP
Retailer 20£2,206 GBP
Retailer 4£2,244 GBP
Retailer 12£2,310 GBP
Retailer 21£2,317 GBP
Retailer 10£2,373 GBP
Retailer 2£2,395 GBP
Retailer 22£2,504 GBP
Retailer 15£2,519 GBP
Retailer 3£2,600 GBP
Retailer 5£2,600 GBP
Retailer 13£2,623 GBP
Retailer 16£2,771 GBP
Retailer 18£2,889 GBP
Retailer 17£2,906 GBP
Retailer 6£3,648 GBP
Retailer 9£4,186 GBP
NZ Jewellers£4,361 GBP

14 data points across 22 retailers

22 retailers£1,883 GBP to £4,361 GBP

A
Cheapest Retailer
-
£1,883 GBP
A
Retailer 2
-
£1,891 GBP
View
A
Retailer 3
-
£2,043 GBP
View
A
Retailer 4
-
£2,112 GBP
View
B+
Retailer 5
-
£2,192 GBP
View
B+
Retailer 6
-
£2,206 GBP
View
A
Retailer 7
-
£2,244 GBP
View
B+
Retailer 8
-
£2,310 GBP
View
Final sale: no returns
B+
Retailer 9
-
£2,317 GBP
View
B+
Retailer 10
-
£2,373 GBP
View
B+
Retailer 11
-
£2,395 GBP
View
B+
Retailer 12
-
£2,504 GBP
View
Retailer 13
-
£2,519 GBP
View
Price last confirmed 11 days ago
B+
Retailer 14
-
£2,600 GBP
View
B+
Retailer 15
-
£2,600 GBP
View
B+
Retailer 16
-
£2,623 GBP
View
B+
Retailer 17
-
£2,771 GBP
View
B
Retailer 18
-
£2,889 GBP
View
B+
Retailer 19
-
£2,906 GBP
View
B
Retailer 20
-
£3,648 GBP
View
B
Retailer 21
-
£4,186 GBP
View
Most Expensive
B
NZ Jewellers
7f660a32-0aa1-453a-afd4-f441e9788395 · Nov 5
£4,361 GBP
$5,870 USD
View
21 more retailers have this diamond
Prices start from £1,883 GBPSave up to £2,479 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
£1,883 GBP