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Round|Natural|GIA

1.70ct M SI2 Round Natural Diamond

EX • M/SI2 • GIA 1539543587

Certificate GIA 1539543587

Diamond specifications and retailer prices

From $3,019 USD
As of November 5, 2026
Save $1,936 USD (39%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $4,955 USD at Moon Ocean · As of November 6, 2026
View at Moon Ocean

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 1539543587. Listed at 5 retailers as of November 5, 2026, with prices from $3,019 to $4,955, a $1,936 spread on the same certified stone. Moon Ocean lists it at $4,955. 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°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 1539543587
Dimensions7.58 × 7.61 × 4.78 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
7.58 mm7.61 mm1.70 ctM / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1539543587
Side View
Table 57.0%Crown 34°Girdle: Slightly ThickPavilion 41.8°Culet: NoneDepth 62.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $4,955 USD|Low: $2,086 USD|High: $4,972 USD|Avg: $2,724 USD|-0.3%
Moon Ocean
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 7$2,086 USD
Retailer 8$2,136 USD
Retailer 6$2,560 USD
Retailer 3$3,019 USD
Retailer 4$3,412 USD
Retailer 2$3,924 USD
Retailer 5$4,379 USD
Moon Ocean$4,955 USD

14 data points across 8 retailers

5 retailers$3,019 USD to $4,955 USD

A
Cheapest Retailer
-
$3,019 USD
B+
Retailer 2
-
$3,412 USD
View
B
Retailer 3
-
$3,924 USD
View
B
Retailer 4
-
$4,379 USD
View
Most Expensive
B
Moon Ocean
NVN-073C2AF11-587 · Nov 6
$4,955 USD
£3,902 GBP
View
4 more retailers have this diamond
Prices start from $3,019 USDSave up to $1,936 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
$3,019 USD