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Round|Natural|GIA

1.01ct G SI2 Round Natural Diamond

VG • G/SI2 • GIA 2566191363

Certificate GIA 2566191363

Diamond specifications and retailer prices

From £1,293 GBP
As of November 1, 2026
Save £1,755 GBP (58%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £3,637 GBP at NZ Jewellers · As of October 30, 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 G colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 2566191363. Listed at 18 retailers as of November 1, 2026, with a 136% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
G
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38°
Pavilion angle39.8°
OriginNatural
Grading LabGIA
CertificateGIA 2566191363
Dimensions6.24 × 6.20 × 4.01 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
6.24 mm6.20 mm1.01 ctG / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2566191363
Side View
Table 56.0%Crown 38°Girdle: ThickPavilion 39.8°Culet: NDepth 64.4%

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 1
Current: £3,637 GBP|Low: £1,227 GBP|High: £3,637 GBP|Avg: £1,828 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
November 2, 2026
Retailer 19£1,293 GBP
Retailer 13£1,319 GBP
Retailer 7£1,438 GBP
Retailer 6£1,476 GBP
Retailer 14£1,523 GBP
Retailer 8£1,606 GBP
Retailer 16£1,625 GBP
Retailer 5£1,632 GBP
Retailer 9£1,672 GBP
Retailer 11£1,727 GBP
Retailer 17£1,740 GBP
Retailer 10£1,749 GBP
Retailer 3£1,890 GBP
Retailer 12£1,898 GBP
Retailer 4£2,008 GBP
Retailer 2£2,028 GBP
Retailer 18£2,126 GBP
Retailer 15£3,048 GBP
NZ Jewellers£3,637 GBP

22 data points across 19 retailers

18 retailers£1,293 GBP to £3,048 GBP

A
Cheapest Retailer
-
£1,293 GBP
A
Retailer 2
-
£1,319 GBP
View
A
Retailer 3
-
£1,438 GBP
View
B+
Retailer 4
-
£1,476 GBP
View
A
Retailer 5
-
£1,523 GBP
View
A
Retailer 6
-
£1,625 GBP
View
A
Retailer 7
-
£1,632 GBP
View
Retailer 8
-
£1,672 GBP
View
Price last confirmed 8 days ago
Retailer 9
-
£1,727 GBP
View
Price last confirmed 10 days ago
B+
Retailer 10
-
£1,740 GBP
View
Retailer 11
-
£1,749 GBP
View
Price last confirmed 8 days ago
B+
Retailer 12
-
£1,890 GBP
View
B+
Retailer 13
-
£1,898 GBP
View
B+
Retailer 14
-
£2,008 GBP
View
B+
Retailer 15
-
£2,028 GBP
View
B+
Retailer 16
-
£2,126 GBP
View
B
Retailer 17
-
£3,048 GBP
View
Most Expensive
NZ Jewellers
682ed0e6-8720-4ffe-bca1-431ee68430b2 · Oct 30
£3,637 GBP
$4,895 USD
View
Price last confirmed 7 days ago
17 more retailers have this diamond
Prices start from £1,293 GBPSave up to £1,755 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
£1,293 GBP