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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 $5,140 USD
As of October 29, 2026
Save $6,532 USD (56%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $11,672 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 2547477959. Listed at 19 retailers as of October 29, 2026, with prices from $5,140 to $11,672, a $6,532 spread on the same certified stone. NZ Jewellers lists it at $11,672. 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
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 29
Current: $6,648 USD|Low: $5,089 USD|High: $10,405 USD|Avg: $7,025 USD|+1.5%
Retailer 1
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 15$5,140 USD
Retailer 14$5,514 USD
Retailer 13$5,836 USD
Retailer 12$5,885 USD
Retailer 2$6,322 USD
Retailer 8$6,438 USD
Retailer 1$6,648 USD
Retailer 5$7,030 USD
Retailer 7$7,030 USD
Retailer 10$7,200 USD
Retailer 6$7,270 USD
Retailer 3$7,692 USD
Retailer 4$8,320 USD
Retailer 11$10,117 USD
Retailer 9$10,337 USD

39 data points across 15 retailers

19 retailers$5,140 USD to $11,672 USD

B+
Cheapest Retailer
-
$5,140 USD
B+
Retailer 2
-
$5,514 USD
View
B+
Retailer 3
-
$5,729 USD
A$8,814 AUD
View
B
Retailer 4
-
$5,836 USD
View
Final sale: no returns
Retailer 5
-
$5,885 USD
View
Price last confirmed 19 days ago
B
Retailer 6
-
$6,322 USD
View
B
Retailer 7
-
$6,322 USD
View
B
Retailer 8
-
$6,322 USD
View
B
Retailer 9
-
$6,438 USD
View
B+
Retailer 10
-
$6,648 USD
£5,235 GBP
View
B
Retailer 11
-
$7,030 USD
View
B
Retailer 12
-
$7,030 USD
View
B
Retailer 13
-
$7,200 USD
€6,857 EUR
View
B
Retailer 14
-
$7,270 USD
View
B
Retailer 15
-
$7,295 USD
View
Retailer 16
-
$7,692 USD
View
Price last confirmed 7 days ago
B
Retailer 17
-
$10,117 USD
View
B
Retailer 18
-
$10,337 USD
£8,139 GBP
View
Most Expensive
B
NZ Jewellers
758745ed-4b3c-4bed-805f-eed29e38d974 · Oct 30
$11,672 USD
View
18 more retailers have this diamond
Prices start from $5,140 USDSave up to $6,532 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
$5,140 USD