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Round|Natural|IGI

0.70ct K SI2 Round Natural Diamond

EX • K/SI2 • IGI 720529027

Shape and cutting style on the report: Round brilliant

Certificate IGI 720529027

Diamond specifications and retailer prices

From £221 GBP
As of November 6, 2026
Save £465 GBP (68%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,140 GBP at NZ Jewellers · As of September 26, 2026
View at NZ Jewellers

About this 0.7ct natural round diamond

This 0.7ct natural round sits in the half to three-quarter carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 720529027. Listed at 13 retailers as of November 4, 2026, with a 211% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle41.6°
OriginNatural
Grading LabIGI
CertificateIGI 720529027
Dimensions5.64 × 5.68 × 3.54 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
5.64 mm5.68 mm0.70 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 720529027
Side View
Table 60.0%Crown 36.4°Girdle: MediumPavilion 41.6°Culet: NoneDepth 62.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £221 GBP|Low: £221 GBP|High: £695 GBP|Avg: £442 GBP|-5.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 1£221 GBP
Retailer 4£392 GBP
Retailer 2£392 GBP
Retailer 6£423 GBP
Retailer 3£534 GBP
Retailer 5£686 GBP

41 data points across 6 retailers

13 retailers£221 GBP to £686 GBP

A
Cheapest Retailer
-
£221 GBP
Retailer 2
-
£284 GBP
View
Price last confirmed 96 days ago
Retailer 3
-
£298 GBP
View
Price last confirmed 29 days ago
Retailer 4
-
£320 GBP
View
Price last confirmed 29 days ago
Retailer 5
-
£320 GBP
View
Price last confirmed 38 days ago
Retailer 6
-
£343 GBP
View
Price last confirmed 28 days ago
B+
Retailer 7
-
£392 GBP
View
A
Retailer 8
-
£392 GBP
View
B+
Retailer 9
-
£395 GBP
View
B+
Retailer 10
-
£423 GBP
View
B+
Retailer 11
-
£534 GBP
View
B
Retailer 12
-
£686 GBP
View
Most Expensive
NZ Jewellers
e14a8d0d-c40e-44bb-8b56-1be49bfd9a4f · Sep 26
£1,140 GBP
$1,535 USD
View
Price last confirmed 40 days ago
12 more retailers have this diamond
Prices start from £221 GBPSave up to £465 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 Round
£221 GBP