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Round|Natural|IGI

1.70ct G IF Round Natural Diamond

EX • G/IF • IGI 770664971

Shape and cutting style on the report: Round brilliant

Certificate IGI 770664971

Diamond specifications and retailer prices

From $16,297 NZD
$9,185 USD
As of November 1, 2026
Save $10,028 NZD (38%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $26,325 NZD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.7ct natural round diamond

This 1.7ct natural round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 770664971. Listed at 13 retailers as of October 30, 2026, with prices from $16,297 to $26,325, a $10,028 spread on the same certified stone. NZ Jewellers lists it at $26,325. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.70
Carat
G
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 770664971
Dimensions7.52 × 7.59 × 4.73 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
7.52 mm7.59 mm1.70 ctG / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 770664971
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.5%

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: Nov 1
Current: $26,325 NZD|Low: $16,297 NZD|High: $36,300 NZD|Avg: $21,697 NZD|-0.7%
NZ Jewellers
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
Retailer 15
November 1, 2026
Retailer 4$16,297 NZD
Retailer 9$16,921 NZD
Retailer 14$17,255 NZD
Retailer 13$17,434 NZD
Retailer 5$18,566 NZD
Retailer 3$18,889 NZD
Retailer 15$19,178 NZD
Retailer 12$19,324 NZD
Retailer 7$19,729 NZD
Retailer 2$19,813 NZD
Retailer 11$21,794 NZD
Retailer 10$23,205 NZD
Retailer 8$24,670 NZD
NZ Jewellers$26,325 NZD
Retailer 6$36,300 NZD

14 data points across 15 retailers

13 retailers$16,297 NZD to $26,325 NZD

A
Cheapest Retailer
-
$16,297 NZD
$9,185 USD
A
Retailer 2
-
$16,921 NZD
£7,509 GBP
View
A
Retailer 3
-
$17,255 NZD
$9,725 USD
View
A
Retailer 4
-
$17,434 NZD
$9,826 USD
View
Final sale: no returns
Retailer 5
-
$18,566 NZD
CA$14,533 CAD
View
Price last confirmed 10 days ago
A
Retailer 6
-
$18,889 NZD
$10,646 USD
View
A
Retailer 7
-
$19,178 NZD
$10,809 USD
View
A
Retailer 8
-
$19,324 NZD
$10,891 USD
View
A
Retailer 9
-
$19,813 NZD
€10,635 EUR
View
A
Retailer 10
-
$21,794 NZD
$12,283 USD
View
A
Retailer 11
-
$23,205 NZD
ZAR 211,286 ZAR
View
A
Retailer 12
-
$24,670 NZD
£10,948 GBP
View
Most Expensive
A
NZ Jewellers
f8f55681-da83-484f-a25f-5cc25814f0a8 · Oct 30
$26,325 NZD
$14,837 USD
View
12 more retailers have this diamond
Prices start from $16,297 NZDSave up to $10,028 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
$16,297 NZD