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Round|Natural|GIA

1.01ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 1196724165

Certificate GIA 1196724165

Diamond specifications and retailer prices

From £2,593 GBP
As of November 4, 2026
Save £4,129 GBP (61%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £6,722 GBP at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

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 1196724165. Listed at 25 retailers as of November 4, 2026, with prices from £2,593 to £6,722, a £4,129 spread on the same certified stone. Diamond Quarter lists it at £6,722. 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
PolishVery Good
SymmetryVery Good
FluorescenceFaint
Crown angle32°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 1196724165
Dimensions6.50 × 6.43 × 3.94 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cavity, Feather, Needle, Indented Natural
Top View
6.50 mm6.43 mm1.01 ctD / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1196724165
Side View
Table 59.0%Crown 32°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 61.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £4,211 GBP|Low: £2,497 GBP|High: £5,562 GBP|Avg: £3,496 GBP|+1.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 9£2,593 GBP
Retailer 5£2,660 GBP
Retailer 6£2,885 GBP
Retailer 8£3,127 GBP
Retailer 2£3,375 GBP
Retailer 7£3,479 GBP
Retailer 4£3,654 GBP
Retailer 1£4,211 GBP
Retailer 3£5,481 GBP

43 data points across 9 retailers

25 retailers£2,593 GBP to £6,722 GBP

B+
Cheapest Retailer
-
£2,593 GBP
B+
Retailer 2
-
£2,651 GBP
View
B+
Retailer 3
-
£2,660 GBP
View
B+
Retailer 4
-
£2,751 GBP
View
B+
Retailer 5
-
£2,858 GBP
View
B+
Retailer 6
-
£2,885 GBP
View
Final sale: no returns
B+
Retailer 7
-
£2,972 GBP
View
B+
Retailer 8
-
£3,113 GBP
View
Retailer 9
-
£3,127 GBP
View
Price last confirmed 8 days ago
B+
Retailer 10
-
£3,127 GBP
View
B+
Retailer 11
-
£3,127 GBP
View
B+
Retailer 12
-
£3,309 GBP
View
B+
Retailer 13
-
£3,375 GBP
View
Retailer 14
-
£3,479 GBP
View
Price last confirmed 28 days ago
B
Retailer 15
-
£3,522 GBP
View
B
Retailer 16
-
£3,522 GBP
View
B
Retailer 17
-
£3,607 GBP
View
B
Retailer 18
-
£3,641 GBP
View
B+
Retailer 19
-
£3,654 GBP
View
Retailer 20
-
£3,812 GBP
View
Price last confirmed 14 days ago
B
Retailer 21
-
£4,211 GBP
View
B
Retailer 22
-
£4,992 GBP
View
B
Retailer 23
-
£5,481 GBP
View
B
Retailer 24
-
£6,012 GBP
View
Most Expensive
B
Diamond Quarter
1.01SI1D1165DEB3N · Nov 5
£6,722 GBP
View
24 more retailers have this diamond
Prices start from £2,593 GBPSave up to £4,129 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.

B+
1.01ct Round
£2,593 GBP