CaratHunter
Plans
Round|Natural|GIA

1.70ct M SI1 Round Natural Diamond

EX • M/SI1 • GIA 1537521668

Certificate GIA 1537521668

Diamond specifications and retailer prices

From $2,178 USD
As of November 6, 2026
Save $3,845 USD (64%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $6,023 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 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 $2,178 to $6,023, a $3,845 spread on the same certified stone. NZ Jewellers lists it at $6,023. 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
Color
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: $6,023 USD|Low: $2,171 USD|High: $6,023 USD|Avg: $3,139 USD|+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 6$2,178 USD
Retailer 5$2,567 USD
Retailer 10$2,717 USD
Retailer 12$2,820 USD
Retailer 4$2,881 USD
Retailer 11$2,881 USD
Retailer 13$2,992 USD
Retailer 3$3,022 USD
Retailer 7$3,137 USD
Retailer 9$3,324 USD
Retailer 2$3,357 USD
Retailer 8$3,516 USD
NZ Jewellers$6,023 USD

27 data points across 13 retailers

13 retailers$2,178 USD to $6,023 USD

A
Cheapest Retailer
-
$2,178 USD
A
Retailer 2
-
$2,567 USD
View
A
Retailer 3
-
$2,717 USD
View
A
Retailer 4
-
$2,820 USD
View
Retailer 5
-
$2,881 USD
View
Price last confirmed 9 days ago
A
Retailer 6
-
$2,881 USD
View
A
Retailer 7
-
$2,992 USD
View
A
Retailer 8
-
$3,022 USD
View
B+
Retailer 9
-
$3,137 USD
View
B+
Retailer 10
-
$3,324 USD
View
B+
Retailer 11
-
$3,357 USD
View
B+
Retailer 12
-
$3,516 USD
View
Most Expensive
B
NZ Jewellers
ced3fa81-e339-4790-8dcb-1ec31cb76e43 · Nov 5
$6,023 USD
View
12 more retailers have this diamond
Prices start from $2,178 USDSave up to $3,845 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
$2,178 USD