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Round|Natural|GIA

1.70ct M SI1 Round Natural Diamond

EX • M/SI1 • GIA 7518843148

Certificate GIA 7518843148

Diamond specifications and retailer prices

From $5,910 NZD
As of November 6, 2026
Save $5,981 NZD (50%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $11,891 NZD at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

About this 1.7ct natural round diamond

This 1.7ct natural round sits in the one-and-a-half to two carat band, graded M colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7518843148. Listed at 10 retailers as of November 6, 2026, with prices from $5,910 to $11,891, a $5,981 spread on the same certified stone. Wholesale Diamonds Direct lists it at $11,891. 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
M
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7518843148
Dimensions7.58 × 7.54 × 4.74 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
7.58 mm7.54 mm1.70 ctM / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7518843148
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.7%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: $8,581 NZD|Low: $5,841 NZD|High: $11,891 NZD|Avg: $8,077 NZD|-3.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Wholesale Diamonds Direct
November 6, 2026
Retailer 7$5,910 NZD
Retailer 10$6,079 NZD
Retailer 2$6,481 NZD
Retailer 9$6,591 NZD
Retailer 5$6,819 NZD
Retailer 6$6,945 NZD
Retailer 8$7,080 NZD
Retailer 1$8,581 NZD
Retailer 11$8,704 NZD
Retailer 4$9,615 NZD
Retailer 3$11,242 NZD
Wholesale Diamonds Direct$11,891 NZD

42 data points across 12 retailers

10 retailers$5,910 NZD to $11,891 NZD

A
Cheapest Retailer
-
$5,910 NZD
Retailer 2
-
$6,079 NZD
View
Price last confirmed 16 days ago
B+
Retailer 3
-
$6,481 NZD
View
B+
Retailer 4
-
$6,591 NZD
View
Final sale: no returns
B+
Retailer 5
-
$6,819 NZD
View
B+
Retailer 6
-
$6,945 NZD
View
B+
Retailer 7
-
$7,080 NZD
View
B
Retailer 8
-
$8,581 NZD
View
B
Retailer 9
-
$9,615 NZD
View
Most Expensive
C
Wholesale Diamonds Direct
425853586 · Nov 6
$11,891 NZD
$6,592 USD
View
9 more retailers have this diamond
Prices start from $5,910 NZDSave up to $5,981 NZD

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
$5,910 NZD