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Radiant|Natural|GIA

0.70ct I SI1 Radiant Natural Diamond

EX • I/SI1 • GIA 6561361858

Certificate GIA 6561361858

Diamond specifications and retailer prices

From £553 GBP
$741 USD
As of November 1, 2026
Save £1,181 GBP (68%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,734 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.7ct natural radiant diamond

This 0.7ct natural radiant sits in the half to three-quarter carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6561361858. Listed at 10 retailers as of October 30, 2026, with prices from £553 to £1,734, a £1,181 spread on the same certified stone. NZ Jewellers lists it at £1,734. 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

0.70
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle44.5°
Pavilion angle32.09°
OriginNatural
Grading LabGIA
CertificateGIA 6561361858
Dimensions5.96 × 4.66 × 2.92 mm
L/W Ratio1.28
Girdle conditionSlightly Thick
Key to symbols
Feather
Top View
5.96 mm4.66 mm0.70 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6561361858
Side View
Table 72.0%Crown 44.5°Girdle: MED-STKPavilion 32.09°Culet: NoneDepth 62.6%

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: £1,734 GBP|Low: £553 GBP|High: £1,743 GBP|Avg: £817 GBP|-0.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 7£553 GBP
Retailer 3£556 GBP
Retailer 6£575 GBP
Retailer 4£605 GBP
Retailer 9£622 GBP
Retailer 10£666 GBP
Retailer 2£697 GBP
Retailer 8£832 GBP
Retailer 5£1,018 GBP
NZ Jewellers£1,734 GBP

44 data points across 10 retailers

10 retailers£553 GBP to £1,734 GBP

A
Cheapest Retailer
-
£553 GBP
$741 USD
A
Retailer 2
-
£556 GBP
$745 USD
View
A
Retailer 3
-
£575 GBP
$770 USD
View
A
Retailer 4
-
£605 GBP
$810 USD
View
A
Retailer 5
-
£622 GBP
$833 USD
View
B+
Retailer 6
-
£666 GBP
$892 USD
View
B+
Retailer 7
-
£697 GBP
View
Retailer 8
-
£832 GBP
A$1,714 AUD
View
Price last confirmed 29 days ago
Retailer 9
-
£1,018 GBP
View
Price last confirmed 12 days ago
Most Expensive
B
NZ Jewellers
82fc915c-b516-4561-a62d-ad53530b1972 · Oct 30
£1,734 GBP
$2,324 USD
View
9 more retailers have this diamond
Prices start from £553 GBPSave up to £1,181 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
0.70ct Radiant
£553 GBP