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Round|Natural|GIA

1.01ct D SI2 Round Natural Diamond

VG • D/SI2 • GIA 2557081653

Certificate GIA 2557081653

Diamond specifications and retailer prices

From £1,179 GBP
As of November 4, 2026
Save £2,024 GBP (63%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £3,203 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.01ct natural round diamond

This 1.01ct 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 2557081653. Listed at 21 retailers as of November 4, 2026, with prices from £1,179 to £3,203, a £2,024 spread on the same certified stone. NZ Jewellers lists it at £3,203. 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

1.01
Carat
D
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle38°
Pavilion angle40.2°
OriginNatural
Grading LabGIA
CertificateGIA 2557081653
Dimensions6.28 × 6.20 × 3.97 mm
L/W Ratio1.01
Top View
6.28 mm6.20 mm1.01 ctD / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2557081653
Side View
Table 59.0%Crown 38°Girdle: STK-THKPavilion 40.2°Culet: NDepth 63.7%

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: £3,203 GBP|Low: £1,169 GBP|High: £3,343 GBP|Avg: £1,684 GBP|-4.2%
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 10£1,179 GBP
Retailer 5£1,265 GBP
Retailer 9£1,277 GBP
Retailer 17£1,282 GBP
Retailer 16£1,309 GBP
Retailer 12£1,331 GBP
Retailer 4£1,388 GBP
Retailer 11£1,407 GBP
Retailer 18£1,449 GBP
Retailer 8£1,452 GBP
Retailer 2£1,466 GBP
Retailer 7£1,538 GBP
Retailer 20£1,538 GBP
Retailer 13£1,590 GBP
Retailer 19£1,602 GBP
Retailer 14£1,655 GBP
Retailer 3£1,869 GBP
Retailer 15£1,948 GBP
Retailer 6£2,713 GBP
NZ Jewellers£3,203 GBP

22 data points across 20 retailers

21 retailers£1,179 GBP to £3,203 GBP

A
Cheapest Retailer
-
£1,179 GBP
A
Retailer 2
-
£1,265 GBP
View
A
Retailer 3
-
£1,277 GBP
View
A
Retailer 4
-
£1,282 GBP
View
Final sale: no returns
A
Retailer 5
-
£1,309 GBP
View
A
Retailer 6
-
£1,331 GBP
View
A
Retailer 7
-
£1,388 GBP
View
Retailer 8
-
£1,407 GBP
View
Price last confirmed 8 days ago
A
Retailer 9
-
£1,449 GBP
View
A
Retailer 10
-
£1,452 GBP
View
A
Retailer 11
-
£1,466 GBP
View
Retailer 12
-
£1,475 GBP
View
Price last confirmed 19 days ago
A
Retailer 13
-
£1,538 GBP
View
A
Retailer 14
-
£1,538 GBP
View
A
Retailer 15
-
£1,590 GBP
View
A
Retailer 16
-
£1,602 GBP
View
A
Retailer 17
-
£1,655 GBP
View
A
Retailer 18
-
£1,869 GBP
View
A
Retailer 19
-
£1,948 GBP
View
B+
Retailer 20
-
£2,713 GBP
View
Most Expensive
B
NZ Jewellers
9f7fd540-7054-4b8c-89a5-bb0bae5a470f · Nov 5
£3,203 GBP
$4,311 USD
View
20 more retailers have this diamond
Prices start from £1,179 GBPSave up to £2,024 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
1.01ct Round
£1,179 GBP