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Round|Natural|IGI

1.70ct G IF Round Natural Diamond

EX • G/IF • IGI 754512137

Shape and cutting style on the report: Round brilliant

Certificate IGI 754512137

Diamond specifications and retailer prices

From £6,532 GBP
₹833,571 INR
As of November 1, 2026
Save £4,797 GBP (42%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £11,329 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 754512137. Listed at 20 retailers as of October 30, 2026, with prices from £6,532 to £11,329, a £4,797 spread on the same certified stone. NZ Jewellers lists it at £11,329. 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 angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 754512137
Dimensions7.55 × 7.61 × 4.74 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.55 mm7.61 mm1.70 ctG / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 754512137
Side View
Table 57.0%Crown 36.5°Girdle: THN-STKPavilion 40.6°Culet: NoneDepth 62.5%

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: £8,527 GBP|Low: £6,517 GBP|High: £10,744 GBP|Avg: £7,799 GBP|+0.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 3£6,532 GBP
Retailer 8£6,642 GBP
Retailer 2£6,661 GBP
Retailer 9£7,404 GBP
Retailer 7£7,420 GBP
Retailer 5£7,489 GBP
Retailer 10£7,502 GBP
Retailer 1£8,527 GBP
Retailer 6£9,986 GBP
Retailer 4£10,616 GBP

31 data points across 10 retailers

20 retailers£6,532 GBP to £11,329 GBP

A
Cheapest Retailer
-
£6,532 GBP
₹833,571 INR
A
Retailer 2
-
£6,642 GBP
$8,900 USD
View
A
Retailer 3
-
£6,661 GBP
€8,500 EUR
View
A
Retailer 4
-
£6,962 GBP
$9,328 USD
View
A
Retailer 5
-
£7,404 GBP
SGD 13,407 SGD
View
A
Retailer 6
-
£7,420 GBP
$9,942 USD
View
A
Retailer 7
-
£7,422 GBP
$9,945 USD
View
A
Retailer 8
-
£7,489 GBP
View
A
Retailer 9
-
£7,502 GBP
$10,052 USD
View
Final sale: no returns
A
Retailer 10
-
£7,503 GBP
$10,053 USD
View
A
Retailer 11
-
£8,128 GBP
$10,891 USD
View
A
Retailer 12
-
£8,254 GBP
$11,059 USD
View
A
Retailer 13
-
£8,317 GBP
$11,144 USD
View
A
Retailer 14
-
£8,526 GBP
$11,424 USD
View
A
Retailer 15
-
£8,527 GBP
€10,881 EUR
View
A
Retailer 16
-
£8,759 GBP
$11,736 USD
View
A
Retailer 17
-
£9,379 GBP
$12,567 USD
View
A
Retailer 18
-
£9,986 GBP
ZAR 216,158 ZAR
View
A
Retailer 19
-
£10,616 GBP
View
Most Expensive
B+
NZ Jewellers
b6af57fc-f53d-41fa-ba9c-3805eabb6643 · Oct 30
£11,329 GBP
$15,180 USD
View
19 more retailers have this diamond
Prices start from £6,532 GBPSave up to £4,797 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
£6,532 GBP