CaratHunter
Plans
Round|Natural|GIA

1.70ct E IF Round Natural Diamond

EX • E/IF • GIA 5191570909

Certificate GIA 5191570909

Diamond specifications and retailer prices

From $40,416 NZD
$22,699 USD
As of October 28, 2026
Save $38,537 NZD (49%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $78,953 NZD 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 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 $40,416 to $78,953, a $38,537 spread on the same certified stone. Diamond Quarter lists it at $78,953. 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: $40,547 NZD|Low: $40,303 NZD|High: $63,776 NZD|Avg: $47,850 NZD|-0.9%
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 30, 2026
Retailer 12$40,416 NZD
Retailer 1$40,547 NZD
Retailer 14$41,521 NZD
Retailer 11$42,540 NZD
Retailer 2$43,222 NZD
Retailer 3$44,390 NZD
Retailer 6$45,376 NZD
Retailer 10$46,610 NZD
Retailer 4$48,090 NZD
Retailer 7$48,796 NZD
Retailer 13$49,939 NZD
Retailer 5$56,972 NZD
Retailer 9$58,770 NZD
Retailer 8$63,143 NZD

45 data points across 14 retailers

17 retailers$40,416 NZD to $78,953 NZD

A
Cheapest Retailer
-
$40,416 NZD
$22,699 USD
A
Retailer 2
-
$40,547 NZD
£17,931 GBP
View
Retailer 3
-
$41,521 NZD
A$35,877 AUD
View
Price last confirmed 26 days ago
A
Retailer 4
-
$42,540 NZD
$23,892 USD
View
Final sale: no returns
A
Retailer 5
-
$43,222 NZD
$24,275 USD
View
A
Retailer 6
-
$44,390 NZD
$24,931 USD
View
A
Retailer 7
-
$45,376 NZD
$25,485 USD
View
B+
Retailer 8
-
$46,610 NZD
$26,178 USD
View
B+
Retailer 9
-
$48,090 NZD
$27,009 USD
View
B+
Retailer 10
-
$48,796 NZD
€26,101 EUR
View
B+
Retailer 11
-
$49,939 NZD
$28,048 USD
View
Retailer 12
-
$51,017 NZD
$28,653 USD
View
Price last confirmed 60 days ago
B+
Retailer 13
-
$56,972 NZD
$31,998 USD
View
Retailer 14
-
$58,203 NZD
$32,689 USD
View
Price last confirmed 61 days ago
B+
Retailer 15
-
$58,770 NZD
ZAR 533,237 ZAR
View
B+
Retailer 16
-
$63,143 NZD
£27,924 GBP
View
Most Expensive
B
Diamond Quarter
1.7IFE51092670N · Oct 29
$78,953 NZD
£34,916 GBP
View
16 more retailers have this diamond
Prices start from $40,416 NZDSave up to $38,537 NZD

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
$40,416 NZD