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Round|Natural|IGI

1.70ct E VVS1 Round Natural Diamond

EX • E/VVS1 • IGI 778697988

Shape and cutting style on the report: Round brilliant

Certificate IGI 778697988

Diamond specifications and retailer prices

From £11,275 GBP
₹1,429,918 INR
As of October 29, 2026
Save £7,589 GBP (40%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £18,864 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.7ct natural round diamond

This 1.7ct natural round sits in the one-and-a-half to two carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI 778697988. Listed at 18 retailers as of October 29, 2026, with prices from £11,275 to £18,864, a £7,589 spread on the same certified stone. MOH London lists it at £18,864. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.70
Carat
E
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 778697988
Dimensions7.58 × 7.65 × 4.71 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
7.58 mm7.65 mm1.70 ctE / VVS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 778697988
Side View
Table 57.0%Crown 36.1°Girdle: MediumPavilion 40.6°CuletDepth 61.7%

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 29
Current: £18,864 GBP|Low: £11,198 GBP|High: £18,989 GBP|Avg: £13,688 GBP|-0.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 3£11,275 GBP
Retailer 6£11,549 GBP
Retailer 9£12,033 GBP
Retailer 7£12,708 GBP
Retailer 2£12,755 GBP
Retailer 8£12,969 GBP
Retailer 10£13,412 GBP
Retailer 4£13,946 GBP
Retailer 5£17,557 GBP
MOH London£18,864 GBP

37 data points across 10 retailers

18 retailers£11,275 GBP to £18,864 GBP

A
Cheapest Retailer
-
£11,275 GBP
₹1,429,918 INR
A
Retailer 2
-
£11,549 GBP
$15,380 USD
View
A
Retailer 3
-
£12,033 GBP
$16,024 USD
View
A
Retailer 4
-
£12,192 GBP
$16,236 USD
View
A
Retailer 5
-
£12,708 GBP
$16,923 USD
View
Final sale: no returns
A
Retailer 6
-
£12,755 GBP
View
A
Retailer 7
-
£12,969 GBP
$17,270 USD
View
A
Retailer 8
-
£13,261 GBP
$17,660 USD
View
A
Retailer 9
-
£13,412 GBP
View
Price last confirmed 29 days ago
A
Retailer 10
-
£13,946 GBP
€17,687 EUR
View
B+
Retailer 11
-
£14,145 GBP
$18,837 USD
View
B+
Retailer 12
-
£14,366 GBP
$19,131 USD
View
Price last confirmed 42 days ago
B+
Retailer 13
-
£14,366 GBP
$19,131 USD
View
B+
Retailer 14
-
£14,738 GBP
$19,626 USD
View
B+
Retailer 15
-
£14,919 GBP
$19,867 USD
View
Price last confirmed 37 days ago
B+
Retailer 16
-
£17,020 GBP
$22,665 USD
View
Price last confirmed 39 days ago
B+
Retailer 17
-
£17,557 GBP
ZAR 377,704 ZAR
View
Most Expensive
B
MOH London
23C6ADE4F · Oct 29
£18,864 GBP
View
17 more retailers have this diamond
Prices start from £11,275 GBPSave up to £7,589 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
£11,275 GBP