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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 $32,185 AUD
£17,823 GBP
As of October 28, 2026
Save $30,866 AUD (49%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $63,052 AUD 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 $32,185 to $63,052, a $30,866 spread on the same certified stone. Diamond Quarter lists it at $63,052. 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
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: $50,426 AUD|Low: $32,185 AUD|High: $50,931 AUD|Avg: $38,031 AUD|+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$32,185 AUD
Retailer 12$32,276 AUD
Retailer 14$33,159 AUD
Retailer 11$33,972 AUD
Retailer 2$34,517 AUD
Retailer 3$35,449 AUD
Retailer 6$36,237 AUD
Retailer 10$37,222 AUD
Retailer 4$38,404 AUD
Retailer 8$38,757 AUD
Retailer 13$39,881 AUD
Retailer 5$45,498 AUD
Retailer 9$46,933 AUD
Retailer 1$50,426 AUD

45 data points across 14 retailers

17 retailers$32,185 AUD to $63,052 AUD

A
Cheapest Retailer
-
$32,185 AUD
£17,823 GBP
A
Retailer 2
-
$32,276 AUD
$22,699 USD
View
A
Retailer 3
-
$33,159 AUD
View
Price last confirmed 25 days ago
A
Retailer 4
-
$33,972 AUD
$23,892 USD
View
Final sale: no returns
A
Retailer 5
-
$34,517 AUD
$24,275 USD
View
A
Retailer 6
-
$35,449 AUD
$24,931 USD
View
A
Retailer 7
-
$36,237 AUD
$25,485 USD
View
B+
Retailer 8
-
$37,222 AUD
$26,178 USD
View
B+
Retailer 9
-
$38,404 AUD
$27,009 USD
View
B+
Retailer 10
-
$38,757 AUD
€25,959 EUR
View
B+
Retailer 11
-
$39,881 AUD
$28,048 USD
View
B+
Retailer 12
-
$40,742 AUD
$28,653 USD
View
Price last confirmed 59 days ago
B+
Retailer 13
-
$45,498 AUD
$31,998 USD
View
B+
Retailer 14
-
$46,480 AUD
$32,689 USD
View
Price last confirmed 61 days ago
B+
Retailer 15
-
$46,933 AUD
ZAR 533,237 ZAR
View
B+
Retailer 16
-
$50,426 AUD
£27,924 GBP
View
Most Expensive
B
Diamond Quarter
1.7IFE51092670N · Oct 28
$63,052 AUD
£34,916 GBP
View
16 more retailers have this diamond
Prices start from $32,185 AUDSave up to $30,866 AUD

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
$32,185 AUD