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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 $2,475 USD
As of November 5, 2026
Save $2,742 USD (53%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $5,217 USD 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 $2,475 to $5,217, a $2,742 spread on the same certified stone. NZ Jewellers lists it at $5,217. 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
Color
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: $5,217 USD|Low: $2,170 USD|High: $12,867 USD|Avg: $4,581 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
November 5, 2026
Retailer 4$2,170 USD
Retailer 6$2,475 USD
Retailer 8$2,495 USD
Retailer 10$2,495 USD
Retailer 7$2,611 USD
Retailer 11$2,635 USD
Retailer 9$2,879 USD
Retailer 5$3,045 USD
Retailer 2$3,091 USD
NZ Jewellers$5,217 USD
Retailer 12$12,497 USD
Retailer 3$12,867 USD

23 data points across 12 retailers

9 retailers$2,475 USD to $5,217 USD

A
Cheapest Retailer
-
$2,475 USD
Retailer 2
-
$2,495 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$2,495 USD
View
A
Retailer 4
-
$2,611 USD
View
A
Retailer 5
-
$2,635 USD
View
B+
Retailer 6
-
$2,879 USD
View
B+
Retailer 7
-
$3,045 USD
View
B+
Retailer 8
-
$3,091 USD
View
Most Expensive
B
NZ Jewellers
58dcfb40-8d1a-4ea1-9952-0c5823fadc06 · Nov 5
$5,217 USD
View
8 more retailers have this diamond
Prices start from $2,475 USDSave up to $2,742 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
$2,475 USD