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Round|Natural|GIA

1.70ct M SI1 Round Natural Diamond

EX • M/SI1 • GIA 1537521668

Certificate GIA 1537521668

Diamond specifications and retailer prices

From $3,929 NZD
As of November 6, 2026
Save $6,936 NZD (64%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $10,865 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 1537521668. Listed at 13 retailers as of November 5, 2026, with prices from $3,929 to $10,865, a $6,936 spread on the same certified stone. NZ Jewellers lists it at $10,865. 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
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1537521668
Dimensions7.56 × 7.61 × 4.79 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
ADDITIONAL CLOUDS ARE NOT SHOWN. PINPOINTS ARE NOT SHOWN.
Top View
7.56 mm7.61 mm1.70 ctM / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 1537521668
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 63.2%

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: $10,865 NZD|Low: $3,916 NZD|High: $10,865 NZD|Avg: $5,658 NZD|+0.5%
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
November 6, 2026
Retailer 2$3,929 NZD
Retailer 5$4,631 NZD
Retailer 10$4,901 NZD
Retailer 12$5,087 NZD
Retailer 4$5,197 NZD
Retailer 11$5,197 NZD
Retailer 13$5,397 NZD
Retailer 3$5,451 NZD
Retailer 6$5,659 NZD
Retailer 9$5,996 NZD
Retailer 8$6,047 NZD
Retailer 7$6,343 NZD
NZ Jewellers$10,865 NZD

27 data points across 13 retailers

13 retailers$3,929 NZD to $10,865 NZD

A
Cheapest Retailer
-
$3,929 NZD
A
Retailer 2
-
$4,631 NZD
View
A
Retailer 3
-
$4,901 NZD
View
A
Retailer 4
-
$5,087 NZD
View
Retailer 5
-
$5,197 NZD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$5,197 NZD
View
A
Retailer 7
-
$5,397 NZD
View
A
Retailer 8
-
$5,451 NZD
View
B+
Retailer 9
-
$5,659 NZD
View
B+
Retailer 10
-
$5,996 NZD
View
B+
Retailer 11
-
$6,047 NZD
View
B+
Retailer 12
-
$6,343 NZD
View
Most Expensive
B
NZ Jewellers
ced3fa81-e339-4790-8dcb-1ec31cb76e43 · Nov 5
$10,865 NZD
$6,023 USD
View
12 more retailers have this diamond
Prices start from $3,929 NZDSave up to $6,936 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
$3,929 NZD