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1.65ct F SI1 Round Natural Diamond

ID • F/SI1 • GIA 7556491262

Certificate GIA 7556491262

Diamond specifications and retailer prices

From $11,164 USD
As of October 31, 2026
Save $1,986 USD (15%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $13,150 USD at Jared · As of November 2, 2026
View at Jared

About this 1.65ct natural round diamond

This 1.65ct natural round sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7556491262. Listed at 2 retailers as of October 31, 2026, with prices from $11,164 to $13,150, a $1,986 spread on the same certified stone. Jared lists it at $13,150. 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

1.65
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7556491262
Dimensions7.52 × 7.55 mm
L/W Ratio1.00
Top View
7.52 mm7.55 mm1.65 ctF / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7556491262
Side View
Table 58.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 31
Current: $13,150 USD|Low: $11,164 USD|High: $13,150 USD|Avg: $12,488 USD
Jared
Retailer 2
September 3, 2026
Retailer 2$11,164 USD
Jared$13,150 USD

2 data points across 2 retailers

2 retailers$11,164 USD to $13,150 USD

B+
Cheapest Retailer
-
$11,164 USD
Most Expensive
B
Jared
159226716 · Nov 2
$13,150 USD
View
1 more retailer has this diamond
Prices start from $11,164 USDSave up to $1,986 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+
1.65ct Round
$11,164 USD