Round|Natural|GIA

1.70ct M SI1 Round Natural Diamond

EX • M/SI1 • GIA 6552006019

Certificate GIA 6552006019

Diamond specifications and retailer prices

From $5,781 NZD
As of November 6, 2026
Save $7,607 NZD (57%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $13,389 NZD 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 M colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6552006019. Listed at 11 retailers as of November 5, 2026, with prices from $5,781 to $13,389, a $7,607 spread on the same certified stone. NZ Jewellers lists it at $13,389. 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 angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6552006019
Dimensions7.48 × 7.60 × 4.74 mm
L/W Ratio1.02
Top View
7.48 mm7.60 mm1.70 ctM / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552006019
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 63.3%

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: $13,389 NZD|Low: $5,781 NZD|High: $13,473 NZD|Avg: $8,070 NZD|-0.6%
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 6, 2026
Retailer 2$5,781 NZD
Retailer 4$5,949 NZD
Retailer 7$6,761 NZD
Retailer 10$7,297 NZD
Retailer 9$7,685 NZD
Retailer 11$7,685 NZD
Retailer 12$7,685 NZD
Retailer 3$7,952 NZD
Retailer 5$8,154 NZD
Retailer 8$8,868 NZD
Retailer 6$9,380 NZD
NZ Jewellers$13,389 NZD

45 data points across 12 retailers

11 retailers$5,781 NZD to $13,389 NZD

A
Cheapest Retailer
-
$5,781 NZD
B+
Retailer 2
-
$6,761 NZD
View
B
Retailer 3
-
$7,297 NZD
View
Retailer 4
-
$7,685 NZD
View
Price last confirmed 8 days ago
B
Retailer 5
-
$7,685 NZD
View
B
Retailer 6
-
$7,685 NZD
View
B
Retailer 7
-
$7,952 NZD
View
B+
Retailer 8
-
$8,154 NZD
View
B
Retailer 9
-
$8,868 NZD
View
B
Retailer 10
-
$9,380 NZD
View
Most Expensive
C
NZ Jewellers
9c744563-1f8c-4e6f-a284-7cb112f245a8 · Nov 5
$13,389 NZD
$7,422 USD
View
10 more retailers have this diamond
Prices start from $5,781 NZDSave up to $7,607 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
$5,781 NZD