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Round|Natural|GIA

1.01ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 1569101596

Certificate GIA 1569101596

Diamond specifications and retailer prices

From £1,649 GBP
As of November 5, 2026
Save £3,046 GBP (65%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £4,694 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 top-tier cut grade and certified by GIA 1569101596. Listed at 17 retailers as of November 5, 2026, with prices from £1,649 to £4,694, a £3,046 spread on the same certified stone. NZ Jewellers lists it at £4,694. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 1569101596
Dimensions6.38 × 6.40 × 4.01 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal, Feather, Needle
Top View
6.38 mm6.40 mm1.01 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1569101596
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.7%

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 5
Current: £4,694 GBP|Low: £1,649 GBP|High: £4,694 GBP|Avg: £2,526 GBP|+15.7%
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
November 6, 2026
Retailer 11£1,649 GBP
Retailer 9£1,748 GBP
Retailer 3£1,884 GBP
Retailer 13£2,011 GBP
Retailer 12£2,245 GBP
Retailer 6£2,288 GBP
Retailer 2£2,309 GBP
Retailer 7£2,319 GBP
Retailer 5£2,332 GBP
Retailer 4£2,355 GBP
Retailer 8£2,412 GBP
Retailer 10£2,543 GBP
Retailer 14£3,745 GBP
NZ Jewellers£4,694 GBP

23 data points across 14 retailers

17 retailers£1,649 GBP to £4,694 GBP

A
Cheapest Retailer
-
£1,649 GBP
A
Retailer 2
-
£1,748 GBP
View
Final sale: no returns
A
Retailer 3
-
£1,884 GBP
View
A
Retailer 4
-
£2,011 GBP
View
A
Retailer 5
-
£2,245 GBP
View
Retailer 6
-
£2,288 GBP
View
Price last confirmed 8 days ago
A
Retailer 7
-
£2,309 GBP
View
A
Retailer 8
-
£2,319 GBP
View
A
Retailer 9
-
£2,332 GBP
View
A
Retailer 10
-
£2,355 GBP
View
B+
Retailer 11
-
£2,412 GBP
View
Retailer 12
-
£2,414 GBP
View
Price last confirmed 60 days ago
B+
Retailer 13
-
£2,543 GBP
View
Retailer 14
-
£2,785 GBP
View
Price last confirmed 60 days ago
B
Retailer 15
-
£3,745 GBP
View
Retailer 16
-
£4,229 GBP
View
Price last confirmed 66 days ago
Most Expensive
B
NZ Jewellers
47de2603-bf82-45be-9123-8c44c0a89b04 · Nov 5
£4,694 GBP
$6,318 USD
View
16 more retailers have this diamond
Prices start from £1,649 GBPSave up to £3,046 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
£1,649 GBP