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Round|Natural|GIA

1.70ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 2547477959

Certificate GIA 2547477959

Diamond specifications and retailer prices

From $7,317 AUD
$5,140 USD
As of October 30, 2026
Save $9,299 AUD (56%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $16,616 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 J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2547477959. Listed at 19 retailers as of October 30, 2026, with prices from $7,317 to $16,616, a $9,299 spread on the same certified stone. NZ Jewellers lists it at $16,616. 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 angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2547477959
Dimensions7.57 × 7.62 × 4.77 mm
L/W Ratio1.01
Top View
7.57 mm7.62 mm1.70 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2547477959
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.8%

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: Oct 30
Current: $16,616 AUD|Low: $7,245 AUD|High: $16,616 AUD|Avg: $10,322 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
October 30, 2026
Retailer 3$7,317 AUD
Retailer 18$7,850 AUD
Retailer 17$8,308 AUD
Retailer 16$8,378 AUD
Retailer 4$9,000 AUD
Retailer 6$9,000 AUD
Retailer 19$9,000 AUD
Retailer 13$9,165 AUD
Retailer 12$9,464 AUD
Retailer 9$10,008 AUD
Retailer 11$10,008 AUD
Retailer 2$10,265 AUD
Retailer 10$10,350 AUD
Retailer 5$10,385 AUD
Retailer 7$10,950 AUD
Retailer 8$11,845 AUD
Retailer 15$14,402 AUD
Retailer 14$14,715 AUD
NZ Jewellers$16,616 AUD

38 data points across 19 retailers

19 retailers$7,317 AUD to $16,616 AUD

B+
Cheapest Retailer
-
$7,317 AUD
$5,140 USD
B+
Retailer 2
-
$7,850 AUD
$5,514 USD
View
B+
Retailer 3
-
$8,156 AUD
View
B
Retailer 4
-
$8,308 AUD
$5,836 USD
View
Final sale: no returns
Retailer 5
-
$8,378 AUD
$5,885 USD
View
Price last confirmed 19 days ago
B
Retailer 6
-
$9,000 AUD
$6,322 USD
View
B
Retailer 7
-
$9,000 AUD
$6,322 USD
View
B
Retailer 8
-
$9,000 AUD
$6,322 USD
View
B
Retailer 9
-
$9,165 AUD
$6,438 USD
View
B+
Retailer 10
-
$9,464 AUD
£5,235 GBP
View
B
Retailer 11
-
$10,008 AUD
$7,030 USD
View
B
Retailer 12
-
$10,008 AUD
$7,030 USD
View
B
Retailer 13
-
$10,265 AUD
€6,867 EUR
View
B
Retailer 14
-
$10,350 AUD
$7,270 USD
View
B
Retailer 15
-
$10,385 AUD
$7,295 USD
View
Retailer 16
-
$10,950 AUD
$7,692 USD
View
Price last confirmed 8 days ago
B
Retailer 17
-
$14,402 AUD
$10,117 USD
View
B
Retailer 18
-
$14,715 AUD
£8,139 GBP
View
Most Expensive
B
NZ Jewellers
758745ed-4b3c-4bed-805f-eed29e38d974 · Oct 30
$16,616 AUD
$11,672 USD
View
18 more retailers have this diamond
Prices start from $7,317 AUDSave up to $9,299 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
$7,317 AUD