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Round|Natural|GIA

1.01ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 6562101600

Certificate GIA 6562101600

Diamond specifications and retailer prices

From £1,800 GBP
As of November 6, 2026
Save £2,791 GBP (61%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £4,591 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6562101600. Listed at 18 retailers as of November 5, 2026, with prices from £1,800 to £4,591, a £2,791 spread on the same certified stone. NZ Jewellers lists it at £4,591. 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

1.01
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6562101600
Dimensions6.38 × 6.40 × 3.97 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Needle, Indented Natural
Top View
6.38 mm6.40 mm1.01 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6562101600
Side View
Table 60.0%Crown 35°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.1%

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 6
Current: £1,800 GBP|Low: £1,800 GBP|High: £4,459 GBP|Avg: £2,866 GBP|-10.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 1£1,800 GBP
Retailer 6£1,918 GBP
Retailer 9£2,060 GBP
Retailer 4£2,470 GBP
Retailer 5£2,647 GBP
Retailer 3£2,686 GBP
Retailer 8£2,788 GBP
Retailer 2£2,822 GBP
Retailer 7£3,216 GBP
Retailer 10£4,406 GBP

37 data points across 10 retailers

18 retailers£1,800 GBP to £4,591 GBP

A
Cheapest Retailer
-
£1,800 GBP
A
Retailer 2
-
£1,918 GBP
View
Final sale: no returns
A
Retailer 3
-
£2,060 GBP
View
A
Retailer 4
-
£2,198 GBP
View
B+
Retailer 5
-
£2,340 GBP
View
B+
Retailer 6
-
£2,470 GBP
View
B+
Retailer 7
-
£2,534 GBP
View
B+
Retailer 8
-
£2,635 GBP
View
Retailer 9
-
£2,635 GBP
View
Price last confirmed 21 days ago
B+
Retailer 10
-
£2,647 GBP
View
B+
Retailer 11
-
£2,686 GBP
View
B+
Retailer 12
-
£2,736 GBP
View
B+
Retailer 13
-
£2,749 GBP
View
B+
Retailer 14
-
£2,788 GBP
View
Retailer 15
-
£2,822 GBP
View
Price last confirmed 29 days ago
B+
Retailer 16
-
£3,216 GBP
View
B
Retailer 17
-
£4,406 GBP
View
Most Expensive
B
NZ Jewellers
ef3b723f-490d-4fa3-bf6a-e11dea6417ef · Nov 5
£4,591 GBP
$6,179 USD
View
17 more retailers have this diamond
Prices start from £1,800 GBPSave up to £2,791 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
£1,800 GBP