Round|Natural|GIA

1.70ct M SI1 Round Natural Diamond

EX • M/SI1 • GIA 6552006019

Certificate GIA 6552006019

Diamond specifications and retailer prices

From $3,205 USD
As of November 6, 2026
Save $4,217 USD (57%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $7,422 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 6552006019. Listed at 11 retailers as of November 5, 2026, with prices from $3,205 to $7,422, a $4,217 spread on the same certified stone. NZ Jewellers lists it at $7,422. 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
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: $7,422 USD|Low: $3,205 USD|High: $7,469 USD|Avg: $4,473 USD|-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$3,205 USD
Retailer 4$3,298 USD
Retailer 7$3,748 USD
Retailer 10$4,045 USD
Retailer 9$4,260 USD
Retailer 11$4,260 USD
Retailer 12$4,260 USD
Retailer 3$4,408 USD
Retailer 5$4,520 USD
Retailer 8$4,916 USD
Retailer 6$5,200 USD
NZ Jewellers$7,422 USD

44 data points across 12 retailers

11 retailers$3,205 USD to $7,422 USD

A
Cheapest Retailer
-
$3,205 USD
B+
Retailer 2
-
$3,748 USD
View
B
Retailer 3
-
$4,045 USD
View
Retailer 4
-
$4,260 USD
View
Price last confirmed 9 days ago
B
Retailer 5
-
$4,260 USD
View
B
Retailer 6
-
$4,260 USD
View
B
Retailer 7
-
$4,408 USD
View
B+
Retailer 8
-
$4,520 USD
View
B
Retailer 9
-
$4,916 USD
View
B
Retailer 10
-
$5,200 USD
View
Most Expensive
C
NZ Jewellers
9c744563-1f8c-4e6f-a284-7cb112f245a8 · Nov 5
$7,422 USD
View
10 more retailers have this diamond
Prices start from $3,205 USDSave up to $4,217 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
$3,205 USD