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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 $9,120 NZD
$5,140 USD
As of October 30, 2026
Save $11,590 NZD (56%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $20,710 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 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 $9,120 to $20,710, a $11,590 spread on the same certified stone. NZ Jewellers lists it at $20,710. 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: $20,710 NZD|Low: $9,029 NZD|High: $20,710 NZD|Avg: $12,865 NZD
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$9,120 NZD
Retailer 18$9,783 NZD
Retailer 17$10,355 NZD
Retailer 16$10,442 NZD
Retailer 4$11,217 NZD
Retailer 6$11,217 NZD
Retailer 19$11,217 NZD
Retailer 13$11,423 NZD
Retailer 12$11,795 NZD
Retailer 9$12,473 NZD
Retailer 11$12,473 NZD
Retailer 2$12,793 NZD
Retailer 10$12,899 NZD
Retailer 5$12,944 NZD
Retailer 7$13,648 NZD
Retailer 8$14,762 NZD
Retailer 15$17,950 NZD
Retailer 14$18,340 NZD
NZ Jewellers$20,710 NZD

38 data points across 19 retailers

19 retailers$9,120 NZD to $20,710 NZD

B+
Cheapest Retailer
-
$9,120 NZD
$5,140 USD
B+
Retailer 2
-
$9,783 NZD
$5,514 USD
View
B+
Retailer 3
-
$10,166 NZD
A$8,814 AUD
View
B
Retailer 4
-
$10,355 NZD
$5,836 USD
View
Final sale: no returns
Retailer 5
-
$10,442 NZD
$5,885 USD
View
Price last confirmed 20 days ago
B
Retailer 6
-
$11,217 NZD
$6,322 USD
View
B
Retailer 7
-
$11,217 NZD
$6,322 USD
View
B
Retailer 8
-
$11,217 NZD
$6,322 USD
View
B
Retailer 9
-
$11,423 NZD
$6,438 USD
View
B+
Retailer 10
-
$11,795 NZD
£5,235 GBP
View
B
Retailer 11
-
$12,473 NZD
$7,030 USD
View
B
Retailer 12
-
$12,473 NZD
$7,030 USD
View
B
Retailer 13
-
$12,793 NZD
€6,867 EUR
View
B
Retailer 14
-
$12,899 NZD
$7,270 USD
View
B
Retailer 15
-
$12,944 NZD
$7,295 USD
View
Retailer 16
-
$13,648 NZD
$7,692 USD
View
Price last confirmed 8 days ago
B
Retailer 17
-
$17,950 NZD
$10,117 USD
View
B
Retailer 18
-
$18,340 NZD
£8,139 GBP
View
Most Expensive
B
NZ Jewellers
758745ed-4b3c-4bed-805f-eed29e38d974 · Oct 30
$20,710 NZD
$11,672 USD
View
18 more retailers have this diamond
Prices start from $9,120 NZDSave up to $11,590 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.

B+
1.70ct Round
$9,120 NZD