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Round|Natural|GIA

1.70ct M SI2 Round Natural Diamond

EX • M/SI2 • GIA 1539874493

Certificate GIA 1539874493

Diamond specifications and retailer prices

From $4,446 USD
As of November 5, 2026
6 retailers carry this diamond
Most expensive: $6,670 USD at NZ Jewellers · As of September 28, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1539874493. Listed at 6 retailers as of November 5, 2026. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1539874493
Dimensions7.56 × 7.61 × 4.73 mm
L/W Ratio1.01
Star length50%
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Needle, Indented Natural, Natural
Top View
7.56 mm7.61 mm1.70 ctM / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1539874493
Side View
Table 55.0%Crown 34.5°GirdlePavilion 40.6°Culet: NoneDepth 62.4%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 5
Current: $4,446 USD|Low: $4,389 USD|High: $4,533 USD|Avg: $4,489 USD|+1.2%
Retailer 1
Retailer 2
November 5, 2026
Retailer 1$4,446 USD
Retailer 2$4,533 USD

19 data points across 2 retailers

6 retailers

Retailer 1
-
$3,829 USD
Price last confirmed 29 days ago
Retailer 2
-
$3,829 USD
View
Price last confirmed 29 days ago
Retailer 3
-
$3,976 USD
View
Price last confirmed 38 days ago
Retailer 4
-
$4,418 USD
View
Price last confirmed 38 days ago
B
Retailer 5
-
$4,446 USD
View
Most Expensive
NZ Jewellers
c33359f3-1e2c-428a-9238-b71b2d1b9913 · Sep 28
$6,670 USD
View
Price last confirmed 39 days ago
5 more retailers have this diamond
Prices start from $4,446 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.

B
1.70ct Round
$4,446 USD