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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 $13,076 AUD
$9,185 USD
As of October 30, 2026
Save $8,046 AUD (38%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $21,122 AUD 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 $13,076 to $21,122, a $8,046 spread on the same certified stone. NZ Jewellers lists it at $21,122. 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

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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 30
Current: $21,122 AUD|Low: $13,076 AUD|High: $29,125 AUD|Avg: $17,408 AUD|-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$13,076 AUD
Retailer 9$13,576 AUD
Retailer 14$13,845 AUD
Retailer 13$13,988 AUD
Retailer 5$14,897 AUD
Retailer 3$15,156 AUD
Retailer 15$15,388 AUD
Retailer 12$15,505 AUD
Retailer 7$15,829 AUD
Retailer 2$15,897 AUD
Retailer 11$17,486 AUD
Retailer 10$18,619 AUD
Retailer 8$19,794 AUD
NZ Jewellers$21,122 AUD
Retailer 6$29,125 AUD

14 data points across 15 retailers

13 retailers$13,076 AUD to $21,122 AUD

A
Cheapest Retailer
-
$13,076 AUD
$9,185 USD
A
Retailer 2
-
$13,576 AUD
£7,509 GBP
View
A
Retailer 3
-
$13,845 AUD
$9,725 USD
View
A
Retailer 4
-
$13,988 AUD
$9,826 USD
View
Final sale: no returns
Retailer 5
-
$14,897 AUD
CA$14,533 CAD
View
Price last confirmed 10 days ago
A
Retailer 6
-
$15,156 AUD
$10,646 USD
View
A
Retailer 7
-
$15,388 AUD
$10,809 USD
View
A
Retailer 8
-
$15,505 AUD
$10,891 USD
View
A
Retailer 9
-
$15,897 AUD
€10,635 EUR
View
A
Retailer 10
-
$17,486 AUD
$12,283 USD
View
A
Retailer 11
-
$18,619 AUD
ZAR 211,286 ZAR
View
A
Retailer 12
-
$19,794 AUD
£10,948 GBP
View
Most Expensive
A
NZ Jewellers
f8f55681-da83-484f-a25f-5cc25814f0a8 · Oct 30
$21,122 AUD
$14,837 USD
View
12 more retailers have this diamond
Prices start from $13,076 AUDSave up to $8,046 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
$13,076 AUD