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Round|Natural|GIA

1.70ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 2547533058

Certificate GIA 2547533058

Diamond specifications and retailer prices

From $5,904 USD
As of October 30, 2026
Save $6,593 USD (53%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $12,497 USD 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2547533058. Listed at 21 retailers as of October 30, 2026, with prices from $5,904 to $12,497, a $6,593 spread on the same certified stone. NZ Jewellers lists it at $12,497. 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
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2547533058
Dimensions7.56 × 7.59 × 4.73 mm
L/W Ratio1.00
Top View
7.56 mm7.59 mm1.70 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2547533058
Side View
Table 58.0%Crown 36°Girdle: THN-STKPavilion 40.8°Culet: NoneDepth 62.4%

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: $12,497 USD|Low: $5,727 USD|High: $12,694 USD|Avg: $7,883 USD|-1.6%
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
November 1, 2026
Retailer 3$5,904 USD
Retailer 20$6,247 USD
Retailer 9$6,248 USD
Retailer 4$6,275 USD
Retailer 10$6,769 USD
Retailer 6$6,873 USD
Retailer 16$6,895 USD
Retailer 13$6,997 USD
Retailer 19$7,252 USD
Retailer 8$7,520 USD
Retailer 17$7,520 USD
Retailer 12$7,628 USD
Retailer 15$7,723 USD
Retailer 5$7,770 USD
Retailer 7$7,810 USD
Retailer 11$8,232 USD
Retailer 14$9,180 USD
Retailer 2$10,413 USD
Retailer 18$10,835 USD
NZ Jewellers$12,497 USD

42 data points across 20 retailers

21 retailers$5,904 USD to $12,497 USD

B+
Cheapest Retailer
-
$5,904 USD
B
Retailer 2
-
$6,127 USD
A$9,427 AUD
View
B+
Retailer 3
-
$6,247 USD
View
Final sale: no returns
B+
Retailer 4
-
$6,248 USD
View
B+
Retailer 5
-
$6,275 USD
View
B
Retailer 6
-
$6,769 USD
View
B
Retailer 7
-
$6,873 USD
View
B
Retailer 8
-
$6,895 USD
View
B+
Retailer 9
-
$6,997 USD
£5,510 GBP
View
Retailer 10
-
$7,252 USD
A$11,157 AUD
View
Price last confirmed 10 days ago
B
Retailer 11
-
$7,409 USD
View
B
Retailer 12
-
$7,520 USD
View
B
Retailer 13
-
$7,520 USD
View
B
Retailer 14
-
$7,628 USD
View
B
Retailer 15
-
$7,723 USD
€7,355 EUR
View
B
Retailer 16
-
$7,770 USD
View
B
Retailer 17
-
$7,810 USD
View
B
Retailer 18
-
$9,180 USD
ZAR 148,307 ZAR
View
B
Retailer 19
-
$10,413 USD
£8,199 GBP
View
B
Retailer 20
-
$10,835 USD
View
Most Expensive
B
NZ Jewellers
dec36062-2c90-4aa8-8fde-74ed2323f857 · Oct 30
$12,497 USD
View
20 more retailers have this diamond
Prices start from $5,904 USDSave up to $6,593 USD

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
$5,904 USD