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Round|Natural|GIA

1.70ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 2454934135

Certificate GIA 2454934135

Diamond specifications and retailer prices

From $6,050 USD
As of October 29, 2026
Save $7,553 USD (56%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $13,603 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2454934135. Listed at 20 retailers as of October 29, 2026, with prices from $6,050 to $13,603, a $7,553 spread on the same certified stone. NZ Jewellers lists it at $13,603. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2454934135
Dimensions7.62 × 7.58 × 4.79 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
7.62 mm7.58 mm1.70 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2454934135
Side View
Table 56.0%Crown 36.5°Girdle: THN-STKPavilion 41°Culet: NoneDepth 63.1%

Caratlytics Score

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

Price History

Last verified: Oct 29
Current: $13,603 USD|Low: $5,668 USD|High: $13,603 USD|Avg: $8,041 USD
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
October 30, 2026
Retailer 13$6,050 USD
Retailer 10$6,115 USD
Retailer 14$6,763 USD
Retailer 3$6,802 USD
Retailer 11$6,802 USD
Retailer 7$6,858 USD
Retailer 5$7,368 USD
Retailer 12$7,482 USD
Retailer 2$7,621 USD
Retailer 15$7,782 USD
Retailer 9$8,403 USD
Retailer 4$8,502 USD
Retailer 6$8,959 USD
Retailer 8$11,396 USD
NZ Jewellers$13,603 USD

40 data points across 15 retailers

20 retailers$6,050 USD to $13,603 USD

B
Cheapest Retailer
-
$6,050 USD
B
Retailer 2
-
$6,115 USD
View
B
Retailer 3
-
$6,143 USD
View
B+
Retailer 4
-
$6,324 USD
A$9,730 AUD
View
B+
Retailer 5
-
$6,427 USD
View
B
Retailer 6
-
$6,763 USD
CA$9,393 CAD
View
B
Retailer 7
-
$6,802 USD
View
B
Retailer 8
-
$6,802 USD
View
Final sale: no returns
B
Retailer 9
-
$7,368 USD
View
B
Retailer 10
-
$7,482 USD
View
B
Retailer 11
-
$7,621 USD
£6,000 GBP
View
B
Retailer 12
-
$7,782 USD
View
B
Retailer 13
-
$8,140 USD
View
B
Retailer 14
-
$8,140 USD
View
B
Retailer 15
-
$8,403 USD
€8,003 EUR
View
B
Retailer 16
-
$8,410 USD
View
B
Retailer 17
-
$8,502 USD
View
Retailer 18
-
$8,959 USD
View
Price last confirmed 7 days ago
B
Retailer 19
-
$11,396 USD
£8,973 GBP
View
Most Expensive
B
NZ Jewellers
1772f783-3abb-4080-beaa-237e39d46ab9 · Oct 30
$13,603 USD
View
19 more retailers have this diamond
Prices start from $6,050 USDSave up to $7,553 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
$6,050 USD