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Round|Natural|IGI

1.70ct E IF Round Natural Diamond

EX • E/IF • IGI 809661039

Shape and cutting style on the report: Round brilliant

Certificate IGI 809661039

Diamond specifications and retailer prices

From $17,758 CAD
€12,040 EUR
As of October 29, 2026
Save $12,443 CAD (41%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $30,201 CAD 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 809661039. Listed at 20 retailers as of October 29, 2026, with prices from $17,758 to $30,201, a $12,443 spread on the same certified stone. MOH London lists it at $30,201. 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
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 809661039
Dimensions7.50 × 7.61 × 4.74 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
7.50 mm7.61 mm1.70 ctE / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 809661039
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°CuletDepth 62.7%

Caratlytics Score

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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 29
Current: $30,201 CAD|Low: $17,448 CAD|High: $30,401 CAD|Avg: $22,422 CAD|-0.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 10$17,758 CAD
Retailer 4$18,620 CAD
Retailer 3$19,518 CAD
Retailer 8$20,346 CAD
Retailer 2$20,692 CAD
Retailer 9$20,818 CAD
Retailer 6$21,231 CAD
Retailer 5$24,103 CAD
Retailer 11$27,248 CAD
Retailer 7$27,711 CAD
MOH London$30,201 CAD

36 data points across 11 retailers

20 retailers$17,758 CAD to $30,201 CAD

A
Cheapest Retailer
-
$17,758 CAD
€12,040 EUR
A
Retailer 2
-
$18,620 CAD
₹1,262,422 INR
View
A
Retailer 3
-
$19,518 CAD
$13,895 USD
View
A
Retailer 4
-
$20,346 CAD
$14,484 USD
View
Final sale: no returns
A
Retailer 5
-
$20,692 CAD
£11,599 GBP
View
A
Retailer 6
-
$20,818 CAD
$14,820 USD
View
A
Retailer 7
-
$21,231 CAD
$15,114 USD
View
A
Retailer 8
-
$22,647 CAD
$16,122 USD
View
Price last confirmed 29 days ago
A
Retailer 9
-
$22,647 CAD
$16,122 USD
View
A
Retailer 10
-
$23,001 CAD
$16,374 USD
View
Price last confirmed 28 days ago
A
Retailer 11
-
$23,001 CAD
$16,374 USD
View
Price last confirmed 9 days ago
A
Retailer 12
-
$23,001 CAD
$16,374 USD
View
A
Retailer 13
-
$23,884 CAD
$17,003 USD
View
Price last confirmed 30 days ago
A
Retailer 14
-
$23,884 CAD
$17,003 USD
View
Price last confirmed 8 days ago
A
Retailer 15
-
$24,103 CAD
€16,342 EUR
View
A
Retailer 16
-
$27,248 CAD
$19,398 USD
View
Price last confirmed 23 days ago
A
Retailer 17
-
$27,248 CAD
$19,398 USD
View
Price last confirmed 26 days ago
A
Retailer 18
-
$27,248 CAD
$19,398 USD
View
Price last confirmed 8 days ago
A
Retailer 19
-
$27,711 CAD
ZAR 318,699 ZAR
View
Most Expensive
A
MOH London
423BC80F1 · Oct 29
$30,201 CAD
£16,929 GBP
View
19 more retailers have this diamond
Prices start from $17,758 CADSave up to $12,443 CAD

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
$17,758 CAD