Round|Natural|GIA

1.70ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 5523941027

Certificate GIA 5523941027

Diamond specifications and retailer prices

From $3,838 USD
SGD 5,187 SGD
As of October 31, 2026
Save $4,804 USD (56%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $8,642 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 5523941027. Listed at 13 retailers as of October 30, 2026, with prices from $3,838 to $8,642, a $4,804 spread on the same certified stone. NZ Jewellers lists it at $8,642. 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 angle41°
OriginNatural
Grading LabGIA
CertificateGIA 5523941027
Dimensions7.59 × 7.54 × 4.74 mm
L/W Ratio1.01
Top View
7.59 mm7.54 mm1.70 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5523941027
Side View
Table 59.0%Crown 36°Girdle: Slightly ThickPavilion 41°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $8,642 USD|Low: $3,838 USD|High: $8,642 USD|Avg: $5,929 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 7$3,838 USD
Retailer 5$4,875 USD
Retailer 9$5,167 USD
Retailer 10$5,167 USD
Retailer 8$5,209 USD
Retailer 3$5,213 USD
Retailer 2$5,821 USD
Retailer 11$5,962 USD
Retailer 6$6,352 USD
Retailer 4$8,230 USD
NZ Jewellers$8,642 USD

42 data points across 11 retailers

13 retailers$3,838 USD to $8,642 USD

A
Cheapest Retailer
-
$3,838 USD
SGD 5,187 SGD
B+
Retailer 2
-
$4,507 USD
View
B+
Retailer 3
-
$4,875 USD
£3,839 GBP
View
B+
Retailer 4
-
$5,167 USD
View
B+
Retailer 5
-
$5,167 USD
View
Retailer 6
-
$5,209 USD
A$8,014 AUD
View
Price last confirmed 22 days ago
B+
Retailer 7
-
$5,213 USD
View
B+
Retailer 8
-
$5,821 USD
€5,544 EUR
View
B
Retailer 9
-
$5,962 USD
View
B+
Retailer 10
-
$6,352 USD
ZAR 102,610 ZAR
View
B
Retailer 11
-
$7,349 USD
View
B
Retailer 12
-
$8,230 USD
£6,480 GBP
View
Most Expensive
B
NZ Jewellers
8b3b7e21-679f-4bc6-86a6-94e4990a08ba · Oct 30
$8,642 USD
View
12 more retailers have this diamond
Prices start from $3,838 USDSave up to $4,804 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.

A
1.70ct Round
$3,838 USD