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Round|Natural|IGI

1.70ct G IF Round Natural Diamond

EX • G/IF • IGI 819634365

Shape and cutting style on the report: Round brilliant

Certificate IGI 819634365

Diamond specifications and retailer prices

From £6,746 GBP
₹860,825 INR
As of November 1, 2026
Save £5,256 GBP (44%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £12,002 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 819634365. Listed at 18 retailers as of October 30, 2026, with prices from £6,746 to £12,002, a £5,256 spread on the same certified stone. NZ Jewellers lists it at £12,002. 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
FluorescenceNone
Crown angle36.3°
Pavilion angle40.5°
OriginNatural
Grading LabIGI
CertificateIGI 819634365
Dimensions7.60 × 7.63 × 4.72 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
7.60 mm7.63 mm1.70 ctG / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 819634365
Side View
Table 57.0%Crown 36.3°Girdle: MediumPavilion 40.5°Culet: NoneDepth 61.9%

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: £12,002 GBP|Low: £6,730 GBP|High: £20,238 GBP|Avg: £8,688 GBP
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
November 1, 2026
Retailer 2£6,746 GBP
Retailer 10£6,857 GBP
Retailer 6£7,034 GBP
Retailer 5£7,374 GBP
Retailer 9£7,597 GBP
Retailer 13£7,714 GBP
Retailer 4£7,851 GBP
Retailer 14£7,940 GBP
Retailer 7£7,948 GBP
Retailer 16£7,948 GBP
Retailer 18£8,611 GBP
Retailer 8£8,633 GBP
Retailer 17£8,743 GBP
Retailer 11£8,883 GBP
Retailer 3£9,936 GBP
Retailer 15£10,579 GBP
Retailer 12£11,246 GBP
NZ Jewellers£12,002 GBP

19 data points across 18 retailers

18 retailers£6,746 GBP to £12,002 GBP

A
Cheapest Retailer
-
£6,746 GBP
₹860,825 INR
A
Retailer 2
-
£6,857 GBP
€8,750 EUR
View
Retailer 3
-
£7,034 GBP
$9,425 USD
View
Price last confirmed 14 days ago
A
Retailer 4
-
£7,374 GBP
$9,881 USD
View
A
Retailer 5
-
£7,597 GBP
$10,179 USD
View
A
Retailer 6
-
£7,714 GBP
View
A
Retailer 7
-
£7,851 GBP
$10,520 USD
View
A
Retailer 8
-
£7,940 GBP
View
A
Retailer 9
-
£7,948 GBP
$10,650 USD
View
A
Retailer 10
-
£7,948 GBP
$10,650 USD
View
Final sale: no returns
A
Retailer 11
-
£8,611 GBP
$11,538 USD
View
A
Retailer 12
-
£8,633 GBP
View
A
Retailer 13
-
£8,743 GBP
$11,715 USD
View
A
Retailer 14
-
£8,883 GBP
€11,335 EUR
View
A
Retailer 15
-
£9,936 GBP
$13,313 USD
View
A
Retailer 16
-
£10,579 GBP
ZAR 228,997 ZAR
View
A
Retailer 17
-
£11,246 GBP
View
Most Expensive
B+
NZ Jewellers
91770287-c40e-4851-9f2c-57163fea6bb5 · Oct 30
£12,002 GBP
$16,081 USD
View
17 more retailers have this diamond
Prices start from £6,746 GBPSave up to £5,256 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
£6,746 GBP