Exceptional Diamonds.
Hand-Vetted in Hanover.
Whether you're looking for an ethically mined natural diamond or a sustainably created lab-grown stone, our team guides you through one of life's most meaningful milestones. With worldwide sourcing partnerships built over 40 years, we help you confidently find the perfect diamond for every occasion and budget.
Unlock the Brilliance of Every Diamond
Every diamond has a story, and we help you tell it. Understanding diamonds begins with the Four Cs—Carat, Cut, Color, and Clarity. Each factor impacts beauty, rarity, and value, guiding you to your ideal centerpiece.
Carat Weight
Size meets significance. Carat denotes physical mass (0.2g), balanced with cut proportions so your stone looks its largest and brightest.
Cut & Fire
The primary driver of sparkle. Precise facet angles ensure light reflects completely out the crown rather than leaking through the pavilion.
Color Purity
From icy colorless D–F down to warm vintage champagnes. We help you find the exact hue that faces up pure white to your eye.
Clarity & Inclusions
Nature's natural birthmarks under 10x magnification. We inspect every diamond to guarantee 100% eye-clean brilliance.
Size Meets Significance
The word “carat” comes from the ancient carob seed, once used as a natural gemological weight standard. One metric carat equals exactly 0.2 grams—so the larger the carat, the rarer and more valuable the diamond.
At Avitabile Fine Jewelers, we balance carat with cut, color, and clarity to fit your budget beautifully. Many engagement rings in our showroom accommodate diamonds up to five carats or more.
The iconic full carat benchmark; exceptional light return.
Round Brilliant Carat Comparison
Select any carat weight below to see its physical millimeter spread. Prong settings can flexibly fit any size, while bezel or tension settings are tailored precisely to the stone.
Cut to Shine, Crafted to Perfection
Cut defines a diamond's sparkle. It's not just the shape—round, princess, or emerald—but the precision of angles, symmetry, and polish that maximize brilliance. Ideal cuts reflect incoming light back to the eye rather than leaking out the sides or bottom.
After mining, diamonds are carefully evaluated to achieve the best cut grade without sacrificing essential clarity or carat spread. Our gemological experts guide you to a cut that maximizes visual fire and brilliance.
Ideal
Rarest GradeMaximum brilliance and light return. Light enters the table and bounces flawlessly back through the crown.
Excellent
Top Light PerformanceExceptional fire, sparkle, and pattern symmetry. Faces up with breathtaking radiance.
Very Good
Bright & LivelyReflects nearly all light that enters, providing exceptional beauty at significant value.
Good
Solid SparkleCaptures light well with modest leakage through the sides or pavilion; great entry-point value.
Fair
Noticeable CompromiseLight escapes through the pavilion, creating noticeable dullness or darkness in the center.
Poor
Not CarriedSevere light leakage and dull appearance. Avitabile Fine Jewelers never carries poor cut grades.
The Subtle Power of Hue
Color dramatically affects a diamond's rarity and value. Diamonds range from completely colorless to light yellow or brown, with rare fancy colors commanding premium collector value.
Colorless (D–F)
Ultimate Icy Brilliance
Completely devoid of body tint. Extremely rare and highly sought after for platinum and white gold settings.
Near Colorless (G–J)
Excellent Value & Sparkle
Faces up bright white to the naked eye. Delivers the sweet spot of maximal size and budget value.
Noticeable Color (K–Z)
Warm Champagne Undertones
Displays faint to noticeable warm yellow or brown undertones, often favored for vintage yellow gold pieces.
Fancy Colors (Post-Z)
Vivid Natural Hues
Naturally saturated canary yellow, pink, blue, or cognac hues. Exceptionally rare collector treasures.
Clarity & Natural Fingerprints
Diamonds are crystallized carbon formed deep beneath the earth under extreme heat and pressure. Trapped microscopic minerals and internal characteristics give each diamond its unique fingerprint.
These characteristics define diamond clarity and are evaluated under 10x gemological magnification. Our diamond professionals personally inspect every stone so you can choose with complete transparency.
F – Flawless
Zero internal inclusions and zero external blemishes visible under 10x magnification.
IF – Internally Flawless
No internal inclusions under 10x magnification; only minute surface polish characteristics.
VVS1 – VVS2
Very, Very Slightly Included. Inclusions are microscopic and extremely difficult to detect even under 10x magnification.
VS1 – VS2
Very Slightly Included. Inclusions are minor and invisible to the naked eye. Complete eye-clean clarity.
SI1 – SI3
Slightly Included. Inclusions are noticeable under 10x magnification, but high-grade stones remain eye-clean.
I1 – I3
Included. Inclusions are obvious under 10x magnification and may affect transparency or durability.
Direct From Vetted Cutters
To Our Hanover Studio.
Every diamond at Avitabile Fine Jewelers is sustainably sourced, expertly graded, and chosen to shine in your one-of-a-kind ring or jewelry piece. Discover the story behind our craft, meet our master jewelers, and see how our passion for perfection brings your vision to life.
- GIA & IGI certified natural and lab-grown stones with laser inscriptions.
- Side-by-side stone comparisons brought into our Hanover showroom for you.
- Custom ring setting options crafted right in our in-house bench workshop.
Compare Diamonds in Our Showroom
Experience diamond fire under real daylight and gemological loupes at 1774 Washington St., Hanover, MA 02339. Call or text (781) 826-3630.