CaratHunter
Plans
Round|Natural|IGI

1.70ct G IF Round Natural Diamond

EX • G/IF • IGI 515200886

Shape and cutting style on the report: Round brilliant

Certificate IGI 515200886

Diamond specifications and retailer prices

From £6,738 GBP
₹859,871 INR
As of October 31, 2026
Save £10,784 GBP (62%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £17,522 GBP at Diamond Quarter · As of October 29, 2026
View at Diamond Quarter

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 515200886. Listed at 24 retailers as of October 29, 2026, with prices from £6,738 to £17,522, a £10,784 spread on the same certified stone. Diamond Quarter lists it at £17,522. 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
SymmetryVery Good
FluorescenceNone
Crown angle36.1°
Pavilion angle40.7°
OriginNatural
Grading LabIGI
CertificateIGI 515200886
Dimensions7.60 × 7.50 × 4.74 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.60 mm7.50 mm1.70 ctG / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 515200886
Side View
Table 57.0%Crown 36.1°Girdle: THN-STKPavilion 40.7°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: Oct 31
Current: £8,273 GBP|Low: £6,738 GBP|High: £11,988 GBP|Avg: £8,641 GBP|-2.2%
Retailer 1
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
November 1, 2026
Retailer 8£6,738 GBP
Retailer 11£6,849 GBP
Retailer 10£7,468 GBP
Retailer 3£7,631 GBP
Retailer 5£7,789 GBP
Retailer 1£8,273 GBP
Retailer 14£8,281 GBP
Retailer 6£8,393 GBP
Retailer 13£8,394 GBP
Retailer 9£8,909 GBP
Retailer 4£9,094 GBP
Retailer 2£10,493 GBP
Retailer 7£11,172 GBP
Retailer 12£11,893 GBP

34 data points across 14 retailers

24 retailers£6,738 GBP to £17,522 GBP

A
Cheapest Retailer
-
£6,738 GBP
₹859,871 INR
A
Retailer 2
-
£6,849 GBP
€8,740 EUR
View
A
Retailer 3
-
£7,468 GBP
$10,006 USD
View
Retailer 4
-
£7,631 GBP
$10,225 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
£7,789 GBP
$10,436 USD
View
A
Retailer 6
-
£8,273 GBP
View
A
Retailer 7
-
£8,281 GBP
$11,095 USD
View
A
Retailer 8
-
£8,393 GBP
$11,246 USD
View
Final sale: no returns
A
Retailer 9
-
£8,394 GBP
$11,247 USD
View
A
Retailer 10
-
£8,909 GBP
€11,369 EUR
View
Retailer 11
-
£9,094 GBP
$12,185 USD
View
Price last confirmed 31 days ago
Retailer 12
-
£9,094 GBP
$12,185 USD
View
Price last confirmed 14 days ago
A
Retailer 13
-
£9,094 GBP
$12,185 USD
View
Retailer 14
-
£9,234 GBP
$12,372 USD
View
Price last confirmed 33 days ago
Retailer 15
-
£10,493 GBP
$14,059 USD
View
Price last confirmed 33 days ago
A
Retailer 16
-
£10,493 GBP
$14,059 USD
View
Retailer 17
-
£10,493 GBP
$14,059 USD
View
Price last confirmed 13 days ago
A
Retailer 18
-
£11,172 GBP
ZAR 241,835 ZAR
View
A
Retailer 19
-
£11,893 GBP
View
B+
Retailer 20
-
£12,675 GBP
$16,983 USD
View
B+
Retailer 21
-
£12,675 GBP
$16,983 USD
View
Retailer 22
-
£12,675 GBP
$16,983 USD
View
Price last confirmed 34 days ago
Retailer 23
-
£12,675 GBP
$16,983 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Diamond Quarter
1.7IFG5186E874N · Oct 29
£17,522 GBP
View
23 more retailers have this diamond
Prices start from £6,738 GBPSave up to £10,784 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
£6,738 GBP