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1.70ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 2454934135

Certificate GIA 2454934135

Diamond specifications and retailer prices

From $7,734 SGD
$6,050 USD
As of October 29, 2026
Save $9,656 SGD (56%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $17,390 SGD 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 $7,734 to $17,390, a $9,656 spread on the same certified stone. NZ Jewellers lists it at $17,390. 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
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: $17,390 SGD|Low: $7,246 SGD|High: $17,390 SGD|Avg: $10,280 SGD
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$7,734 SGD
Retailer 10$7,817 SGD
Retailer 14$8,645 SGD
Retailer 3$8,696 SGD
Retailer 11$8,696 SGD
Retailer 7$8,767 SGD
Retailer 5$9,419 SGD
Retailer 12$9,565 SGD
Retailer 2$9,742 SGD
Retailer 15$9,949 SGD
Retailer 9$10,743 SGD
Retailer 4$10,869 SGD
Retailer 6$11,453 SGD
Retailer 8$14,568 SGD
NZ Jewellers$17,390 SGD

40 data points across 15 retailers

20 retailers$7,734 SGD to $17,390 SGD

B
Cheapest Retailer
-
$7,734 SGD
$6,050 USD
B
Retailer 2
-
$7,817 SGD
$6,115 USD
View
B
Retailer 3
-
$7,853 SGD
$6,143 USD
View
B+
Retailer 4
-
$8,085 SGD
A$9,730 AUD
View
B+
Retailer 5
-
$8,216 SGD
$6,427 USD
View
B
Retailer 6
-
$8,645 SGD
CA$9,393 CAD
View
B
Retailer 7
-
$8,696 SGD
$6,802 USD
View
B
Retailer 8
-
$8,696 SGD
$6,802 USD
View
Final sale: no returns
B
Retailer 9
-
$9,419 SGD
$7,368 USD
View
B
Retailer 10
-
$9,565 SGD
$7,482 USD
View
B
Retailer 11
-
$9,742 SGD
£6,000 GBP
View
B
Retailer 12
-
$9,949 SGD
$7,782 USD
View
B
Retailer 13
-
$10,406 SGD
$8,140 USD
View
B
Retailer 14
-
$10,406 SGD
$8,140 USD
View
B
Retailer 15
-
$10,743 SGD
€8,003 EUR
View
B
Retailer 16
-
$10,751 SGD
$8,410 USD
View
B
Retailer 17
-
$10,869 SGD
$8,502 USD
View
Retailer 18
-
$11,453 SGD
$8,959 USD
View
Price last confirmed 7 days ago
B
Retailer 19
-
$14,568 SGD
£8,973 GBP
View
Most Expensive
B
NZ Jewellers
1772f783-3abb-4080-beaa-237e39d46ab9 · Oct 30
$17,390 SGD
$13,603 USD
View
19 more retailers have this diamond
Prices start from $7,734 SGDSave up to $9,656 SGD

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
$7,734 SGD