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Round|Natural|GIA

1.70ct E IF Round Natural Diamond

EX • E/IF • GIA 5191570909

Certificate GIA 5191570909

Diamond specifications and retailer prices

From $31,681 CAD
£17,823 GBP
As of October 28, 2026
Save $30,382 CAD (49%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $62,063 CAD at Diamond Quarter · As of October 28, 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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 5191570909. Listed at 17 retailers as of October 28, 2026, with prices from $31,681 to $62,063, a $30,382 spread on the same certified stone. Diamond Quarter lists it at $62,063. 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 angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 5191570909
Dimensions7.57 × 7.62 × 4.73 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
7.57 mm7.62 mm1.70 ctE / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5191570909
Side View
Table 59.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.3%

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 28
Current: $49,635 CAD|Low: $31,681 CAD|High: $50,132 CAD|Avg: $37,435 CAD|+0.1%
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
October 29, 2026
Retailer 7$31,681 CAD
Retailer 12$31,770 CAD
Retailer 14$32,639 CAD
Retailer 11$33,439 CAD
Retailer 2$33,975 CAD
Retailer 3$34,893 CAD
Retailer 6$35,669 CAD
Retailer 10$36,639 CAD
Retailer 4$37,802 CAD
Retailer 8$38,149 CAD
Retailer 13$39,256 CAD
Retailer 5$44,784 CAD
Retailer 9$46,197 CAD
Retailer 1$49,635 CAD

45 data points across 14 retailers

17 retailers$31,681 CAD to $62,063 CAD

A
Cheapest Retailer
-
$31,681 CAD
£17,823 GBP
A
Retailer 2
-
$31,770 CAD
$22,699 USD
View
A
Retailer 3
-
$32,639 CAD
A$35,877 AUD
View
Price last confirmed 25 days ago
A
Retailer 4
-
$33,439 CAD
$23,892 USD
View
Final sale: no returns
A
Retailer 5
-
$33,975 CAD
$24,275 USD
View
A
Retailer 6
-
$34,893 CAD
$24,931 USD
View
A
Retailer 7
-
$35,669 CAD
$25,485 USD
View
B+
Retailer 8
-
$36,639 CAD
$26,178 USD
View
B+
Retailer 9
-
$37,802 CAD
$27,009 USD
View
B+
Retailer 10
-
$38,149 CAD
€25,959 EUR
View
B+
Retailer 11
-
$39,256 CAD
$28,048 USD
View
B+
Retailer 12
-
$40,103 CAD
$28,653 USD
View
Price last confirmed 60 days ago
B+
Retailer 13
-
$44,784 CAD
$31,998 USD
View
B+
Retailer 14
-
$45,752 CAD
$32,689 USD
View
Price last confirmed 61 days ago
B+
Retailer 15
-
$46,197 CAD
ZAR 533,237 ZAR
View
B+
Retailer 16
-
$49,635 CAD
£27,924 GBP
View
Most Expensive
B
Diamond Quarter
1.7IFE51092670N · Oct 28
$62,063 CAD
£34,916 GBP
View
16 more retailers have this diamond
Prices start from $31,681 CADSave up to $30,382 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
$31,681 CAD