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Round|Natural|GIA

1.02ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 6561512832

Certificate GIA 6561512832

Diamond specifications and retailer prices

From £1,803 GBP
As of November 5, 2026
Save £2,406 GBP (57%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £4,209 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.02ct natural round diamond

This 1.02ct natural round sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6561512832. Listed at 17 retailers as of November 5, 2026, with prices from £1,803 to £4,209, a £2,406 spread on the same certified stone. NZ Jewellers lists it at £4,209. 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

1.02
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6561512832
Dimensions6.54 × 6.50 × 3.92 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
6.54 mm6.50 mm1.02 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6561512832
Side View
Table 60.0%Crown 32.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 60.1%

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 5
Current: £4,209 GBP|Low: £1,803 GBP|High: £4,475 GBP|Avg: £2,389 GBP|-5.9%
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
November 6, 2026
Retailer 3£1,803 GBP
Retailer 5£1,858 GBP
Retailer 7£1,869 GBP
Retailer 8£1,900 GBP
Retailer 11£1,925 GBP
Retailer 10£1,980 GBP
Retailer 16£2,014 GBP
Retailer 6£2,091 GBP
Retailer 17£2,118 GBP
Retailer 9£2,161 GBP
Retailer 2£2,303 GBP
Retailer 13£2,323 GBP
Retailer 12£2,354 GBP
Retailer 14£2,457 GBP
Retailer 15£2,497 GBP
Retailer 4£3,592 GBP
NZ Jewellers£4,209 GBP

13 data points across 17 retailers

17 retailers£1,803 GBP to £4,209 GBP

A
Cheapest Retailer
-
£1,803 GBP
A
Retailer 2
-
£1,858 GBP
View
Final sale: no returns
A
Retailer 3
-
£1,869 GBP
View
A
Retailer 4
-
£1,900 GBP
View
A
Retailer 5
-
£1,925 GBP
View
A
Retailer 6
-
£1,980 GBP
View
A
Retailer 7
-
£2,014 GBP
View
A
Retailer 8
-
£2,091 GBP
View
A
Retailer 9
-
£2,118 GBP
View
B+
Retailer 10
-
£2,161 GBP
View
B+
Retailer 11
-
£2,303 GBP
View
B+
Retailer 12
-
£2,323 GBP
View
B+
Retailer 13
-
£2,354 GBP
View
B+
Retailer 14
-
£2,457 GBP
View
B+
Retailer 15
-
£2,497 GBP
View
B
Retailer 16
-
£3,592 GBP
View
Most Expensive
B
NZ Jewellers
871d5fed-864b-4141-873d-7f4c48a18df3 · Nov 5
£4,209 GBP
$5,665 USD
View
16 more retailers have this diamond
Prices start from £1,803 GBPSave up to £2,406 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
1.02ct Round
£1,803 GBP