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Round|Natural|GIA

1.70ct N SI1 Round Natural Diamond

EX • N/SI1 • GIA 3355486809

Certificate GIA 3355486809

Diamond specifications and retailer prices

From $3,161 SGD
As of November 5, 2026
Save $3,502 SGD (53%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $6,664 SGD at NZ Jewellers · As of November 5, 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 N colour (tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3355486809. Listed at 9 retailers as of November 5, 2026, with prices from $3,161 to $6,664, a $3,502 spread on the same certified stone. NZ Jewellers lists it at $6,664. 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
N
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 3355486809
Dimensions7.57 × 7.62 × 4.78 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
7.57 mm7.62 mm1.70 ctN / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3355486809
Side View
Table 55.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.9%

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: Nov 5
Current: $6,664 SGD|Low: $2,772 SGD|High: $16,435 SGD|Avg: $5,851 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
November 5, 2026
Retailer 4$2,772 SGD
Retailer 6$3,161 SGD
Retailer 8$3,187 SGD
Retailer 10$3,187 SGD
Retailer 7$3,335 SGD
Retailer 11$3,366 SGD
Retailer 9$3,677 SGD
Retailer 5$3,889 SGD
Retailer 2$3,948 SGD
NZ Jewellers$6,664 SGD
Retailer 12$15,962 SGD
Retailer 3$16,435 SGD

23 data points across 12 retailers

9 retailers$3,161 SGD to $6,664 SGD

A
Cheapest Retailer
-
$3,161 SGD
Retailer 2
-
$3,187 SGD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$3,187 SGD
View
A
Retailer 4
-
$3,335 SGD
View
A
Retailer 5
-
$3,366 SGD
View
B+
Retailer 6
-
$3,677 SGD
View
B+
Retailer 7
-
$3,889 SGD
View
B+
Retailer 8
-
$3,948 SGD
View
Most Expensive
B
NZ Jewellers
58dcfb40-8d1a-4ea1-9952-0c5823fadc06 · Nov 5
$6,664 SGD
$5,217 USD
View
8 more retailers have this diamond
Prices start from $3,161 SGDSave up to $3,502 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.

A
1.70ct Round
$3,161 SGD