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Round|Natural|GIA

1.70ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 6542939271

Certificate GIA 6542939271

Diamond specifications and retailer prices

From $6,497 AUD
$4,553 USD
As of November 1, 2026
Save $7,650 AUD (54%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $14,146 AUD at NZ Jewellers · As of November 2, 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 J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6542939271. Listed at 18 retailers as of November 1, 2026, with prices from $6,497 to $14,146, a $7,650 spread on the same certified stone. NZ Jewellers lists it at $14,146. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.70
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6542939271
Dimensions7.65 × 7.69 × 4.69 mm
L/W Ratio1.01
Top View
7.65 mm7.69 mm1.70 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6542939271
Side View
Table 58.0%Crown 34.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $14,146 AUD|Low: $5,655 AUD|High: $14,146 AUD|Avg: $8,304 AUD
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 2, 2026
Retailer 15$5,971 AUD
Retailer 21$6,497 AUD
Retailer 7$6,684 AUD
Retailer 19$7,072 AUD
Retailer 14$7,131 AUD
Retailer 17$7,132 AUD
Retailer 3$7,390 AUD
Retailer 9$7,578 AUD
Retailer 11$7,587 AUD
Retailer 8$7,662 AUD
Retailer 10$7,662 AUD
Retailer 22$7,662 AUD
Retailer 2$8,196 AUD
Retailer 5$8,419 AUD
Retailer 18$8,419 AUD
Retailer 20$8,704 AUD
Retailer 6$8,841 AUD
Retailer 16$9,006 AUD
Retailer 4$9,330 AUD
Retailer 12$9,923 AUD
Retailer 13$12,460 AUD
NZ Jewellers$14,146 AUD

34 data points across 22 retailers

18 retailers$6,497 AUD to $14,146 AUD

B+
Cheapest Retailer
-
$6,497 AUD
$4,553 USD
B+
Retailer 2
-
$6,674 AUD
$4,677 USD
View
B+
Retailer 3
-
$6,684 AUD
$4,684 USD
View
B+
Retailer 4
-
$7,072 AUD
$4,956 USD
View
Final sale: no returns
B+
Retailer 5
-
$7,132 AUD
$4,998 USD
View
B+
Retailer 6
-
$7,578 AUD
$5,311 USD
View
B+
Retailer 7
-
$7,662 AUD
$5,370 USD
View
B+
Retailer 8
-
$7,662 AUD
$5,370 USD
View
B+
Retailer 9
-
$7,662 AUD
$5,370 USD
View
B+
Retailer 10
-
$8,196 AUD
£4,523 GBP
View
B
Retailer 11
-
$8,419 AUD
$5,900 USD
View
B
Retailer 12
-
$8,419 AUD
$5,900 USD
View
B
Retailer 13
-
$8,704 AUD
$6,100 USD
View
B+
Retailer 14
-
$8,841 AUD
$6,196 USD
View
B+
Retailer 15
-
$9,006 AUD
€6,011 EUR
View
Retailer 16
-
$9,330 AUD
$6,539 USD
View
Price last confirmed 18 days ago
B
Retailer 17
-
$12,460 AUD
£6,876 GBP
View
Most Expensive
B
NZ Jewellers
5b1d2f17-7e90-48fd-948f-8d3661705a0b · Nov 2
$14,146 AUD
$9,914 USD
View
17 more retailers have this diamond
Prices start from $6,497 AUDSave up to $7,650 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.

B+
1.70ct Round
$6,497 AUD