Round|Natural|GIA

1.70ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 5566477482

Certificate GIA 5566477482

Diamond specifications and retailer prices

From $5,430 AUD
HK$29,800 HKD
As of October 30, 2026
Save $6,803 AUD (56%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $12,233 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 5566477482. Listed at 19 retailers as of October 30, 2026, with prices from $5,430 to $12,233, a $6,803 spread on the same certified stone. NZ Jewellers lists it at $12,233. 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
FluorescenceFaint
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 5566477482
Dimensions7.56 × 7.61 × 4.70 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Cavity, Crystal, Indented Natural, Needle, Natural
Top View
7.56 mm7.61 mm1.70 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5566477482
Side View
Table 59.0%Crown 36°Girdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 61.9%

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 30
Current: $12,233 AUD|Low: $5,813 AUD|High: $12,233 AUD|Avg: $7,916 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
October 30, 2026
Retailer 2$5,848 AUD
Retailer 4$6,413 AUD
Retailer 3$6,499 AUD
Retailer 5$6,751 AUD
Retailer 7$7,254 AUD
Retailer 8$7,314 AUD
Retailer 9$7,314 AUD
Retailer 12$7,314 AUD
Retailer 10$8,241 AUD
Retailer 13$8,439 AUD
Retailer 6$9,493 AUD
Retailer 11$11,665 AUD
NZ Jewellers$12,233 AUD

26 data points across 13 retailers

19 retailers$5,430 AUD to $12,233 AUD

A
Cheapest Retailer
-
$5,430 AUD
HK$29,800 HKD
A
Retailer 2
-
$5,848 AUD
₹391,259 INR
View
A
Retailer 3
-
$6,413 AUD
SGD 6,088 SGD
View
B+
Retailer 4
-
$6,483 AUD
$4,554 USD
View
B+
Retailer 5
-
$6,499 AUD
$4,565 USD
View
B+
Retailer 6
-
$6,668 AUD
$4,684 USD
View
B+
Retailer 7
-
$6,751 AUD
$4,742 USD
View
Final sale: no returns
B+
Retailer 8
-
$6,972 AUD
SGD 6,618 SGD
View
B+
Retailer 9
-
$7,254 AUD
£4,012 GBP
View
B+
Retailer 10
-
$7,260 AUD
$5,100 USD
View
B+
Retailer 11
-
$7,314 AUD
$5,138 USD
View
B+
Retailer 12
-
$7,314 AUD
$5,138 USD
View
B+
Retailer 13
-
$7,314 AUD
$5,138 USD
View
B+
Retailer 14
-
$7,531 AUD
$5,290 USD
View
B+
Retailer 15
-
$8,241 AUD
€5,513 EUR
View
Retailer 16
-
$8,439 AUD
$5,928 USD
View
Price last confirmed 7 days ago
B
Retailer 17
-
$9,493 AUD
£5,250 GBP
View
B
Retailer 18
-
$11,665 AUD
£6,452 GBP
View
Most Expensive
B
NZ Jewellers
29735261-aee0-4d31-a3c8-ddebd49fc9a1 · Oct 30
$12,233 AUD
$8,593 USD
View
18 more retailers have this diamond
Prices start from $5,430 AUDSave up to $6,803 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
$5,430 AUD