Loose 3.5 carat Gemstones

Three-and-half carat gemstones offer magnificent scale rarely seen in the market, representing truly elite specimens. Our curated collection features exceptional 3.5 ct treasures – each stone selected for its remarkable combination of size, quality, and character that creates extraordinary presence, satisfying collectors seeking impressive gems that balance investment potential with dramatic aesthetic appeal.
Filters
Gem type

Gem type

Color

Color

Shape

Shape

Diamond shape refers to the overall outline and facets of a diamond. It’s a crucial factor that affects a diamond’s brilliance, fire, and scintillation – its ability to reflect light and sparkle.

LEARN MORE ABOUT Shape
Origin

Origin

Treatment

Treatment

Carat weight

Carat weight

Diamond weight, also known as carat weight, is a measure of a diamond’s mass. It’s one of the four Cs (carat, cut, clarity, and color) that determine a diamond’s value and price.

LEARN MORE ABOUT Carat weight
16 items

3.40 Blue Oval Shape Sri Lanka Sapphire

3,200.00$

3.50 ct Madagascar Octagonal Blue Sapphire GRS

11,550.00$

3.73 Pair of Pear Shape Blue Brazilian Aquamarine

1,400.00$

3.71 Pair of Octagon Shape Brazilian Aquamarine

1,600.00$

3.45 Oval Shape Burmese Ruby GRS

21,528.00$

3.39 Cushion Shape Mozambique Ruby GRS

49,000.00$

3.82 Sugar Loaf Tanzanian Ruby GRS

7,880.00$

3.85 Emerald Shape Nigerian Spessaertite Garnet

3,500.00$

3.57 Emerald Shape Very Light Blue Madagascar Sapphire

2,100.00$

3.90 Cushion Shape Spinel

Sold

3.55 Emerald Shape Green Tsavorite

Sold

3.84 Oval Shape Sri Lankan Orange Sapphire

Sold

3.64 Cushion Shape Blueish Grey Tanzanian Spinel

Sold

3.84 Cushion Shape Sri Lankan Blue Sapphire

Sold

FREQUENTLY ASKED QUESTIONS

Why are 3.5 carat precious stones considered museum-quality specimens?

At 3.5 carats, gemstones enter the extraordinary category – sizes rarely encountered outside important private collections or prestigious museum exhibits. Their remarkable visual presence creates undeniable impact, establishing them as significant assets rather than merely beautiful adornments. Natural stones of fine quality at this impressive size represent serious investments in portable wealth, combining exceptional aesthetic presence with authentic rarity that ensures their desirability among sophisticated collectors worldwide.

What factors most significantly impact the value of 3.5 Ct gems?

Origin becomes critical at this size, with stones from premium sources commanding extraordinary premiums over comparable material from less prestigious locations. For colored precious stones, treatment status dramatically affects worth, with untreated specimens often valued at 3-5 times more than enhanced stones of similar appearance. GIA certification is absolutely essential for 3.5 carat gems, providing critical documentation of quality characteristics that directly impact both immediate value and long-term investment potential in these real treasures.

How does the cutting quality affect three-and-a-half carat stones?

Superior cutting becomes paramount at this substantial size, as any proportional irregularities become immediately apparent and significantly impact both beauty and value. Master cutters often spend weeks perfecting the faceting on gems of this caliber, sacrificing weight to achieve optimal light performance. For investment-grade precious stones of 3.5 carats, the perfect balance between weight retention and ideal proportions represents a critical factor in determining their ultimate value and place among the world’s finest gems.