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Round|Natural|IGI

1.70ct G IF Round Natural Diamond

EX • G/IF • IGI 770664971

Shape and cutting style on the report: Round brilliant

Certificate IGI 770664971

Diamond specifications and retailer prices

From £6,855 GBP
$9,185 USD
As of October 30, 2026
Save £4,218 GBP (38%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £11,073 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.7ct natural round diamond

This 1.7ct natural round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 770664971. Listed at 13 retailers as of October 30, 2026, with prices from £6,855 to £11,073, a £4,218 spread on the same certified stone. NZ Jewellers lists it at £11,073. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.70
Carat
G
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 770664971
Dimensions7.52 × 7.59 × 4.73 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
7.52 mm7.59 mm1.70 ctG / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 770664971
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°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: Oct 30
Current: £11,073 GBP|Low: £6,855 GBP|High: £15,269 GBP|Avg: £9,127 GBP|-0.7%
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
Retailer 15
November 1, 2026
Retailer 4£6,855 GBP
Retailer 8£7,118 GBP
Retailer 14£7,258 GBP
Retailer 13£7,333 GBP
Retailer 5£7,810 GBP
Retailer 3£7,945 GBP
Retailer 15£8,067 GBP
Retailer 12£8,129 GBP
Retailer 7£8,299 GBP
Retailer 11£8,372 GBP
Retailer 10£9,167 GBP
Retailer 9£9,761 GBP
Retailer 2£10,377 GBP
NZ Jewellers£11,073 GBP
Retailer 6£15,269 GBP

14 data points across 15 retailers

13 retailers£6,855 GBP to £11,073 GBP

A
Cheapest Retailer
-
£6,855 GBP
$9,185 USD
A
Retailer 2
-
£7,118 GBP
View
A
Retailer 3
-
£7,258 GBP
$9,725 USD
View
A
Retailer 4
-
£7,333 GBP
$9,826 USD
View
Final sale: no returns
Retailer 5
-
£7,810 GBP
CA$14,533 CAD
View
Price last confirmed 9 days ago
A
Retailer 6
-
£7,945 GBP
$10,646 USD
View
A
Retailer 7
-
£8,067 GBP
$10,809 USD
View
A
Retailer 8
-
£8,129 GBP
$10,891 USD
View
A
Retailer 9
-
£8,372 GBP
€10,683 EUR
View
A
Retailer 10
-
£9,167 GBP
$12,283 USD
View
A
Retailer 11
-
£9,761 GBP
ZAR 211,286 ZAR
View
A
Retailer 12
-
£10,377 GBP
View
Most Expensive
A
NZ Jewellers
f8f55681-da83-484f-a25f-5cc25814f0a8 · Oct 30
£11,073 GBP
$14,837 USD
View
12 more retailers have this diamond
Prices start from £6,855 GBPSave up to £4,218 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
1.70ct Round
£6,855 GBP