Art Deco Royal Blue Sapphire Diamond Shield Ring

GIA Royal Blue Sapphire Art Deco Platinum Shield Ring · Triple Sapphire Layout · Old-Cut Diamond Accents

An exceptional and highly collectible Art Deco platinum sapphire and diamond shield ring, distinguished by its GIA-certified Royal Blue center sapphire-a classification reserved for sapphires exhibiting the highest level of saturation, richness, and tonal balance.

At the center sits a natural sapphire accompanied by a GIA report confirming "Royal Blue" color, placing it within the most elite tier of sapphire classification. This designation is rarely encountered and represents a standard sought after by serious collectors and connoisseurs of fine colored gemstones.

Flanking the center stone are two additional natural sapphires, bezel set in perfect symmetry, creating a bold triple-sapphire composition. While these side stones are natural and well-matched in appearance, it is important to note that only the center sapphire carries the Royal Blue designation per GIA certification.

The ring is executed in a striking shield-shaped design, a hallmark of the Art Deco period, combining strong architectural geometry with intricate hand craftsmanship. Fine openwork filigree, delicate milgrain edging, and precise stone placement reflect the level of detail and artistry associated with the finest jewelry of the 1920s-1930s.

Surrounding the sapphires are eleven old-cut natural diamonds, each individually set in a combination of bezel and prong settings. These period-correct stones provide soft, antique brilliance that contrasts beautifully against the deep, velvety tone of the sapphires.

Crafted in platinum and weighing 5.12 grams, the ring has been professionally tested to confirm metal content, consistent with authentic Art Deco construction.

GIA Certification (Center Sapphire)

Species: Natural Corundum
Variety: Natural Sapphire
Color: Royal Blue (GIA designation)
Transparency: Transparent
Treatment: No indications of heating (if applicable per report, confirm if needed)

Certification applies exclusively to the center sapphire.

Specifications

Jewelry Type: Ring
Era: Art Deco

Metal: Platinum (tested; not stamped)
Weight: 5.12 grams

Design: Shield Form with Filigree and Milgrain

Sapphire Details

Type: Natural Sapphires

Center Sapphire:
GIA Certified
Color: Royal Blue

Side Sapphires:
Natural sapphires
Not individually certified or classified

Setting: Triple bezel-set layout

Diamond Details

Type: Natural Diamonds
Cut: Old Cut
Quantity: 11
Setting: Bezel and prong set

Condition

Estate example in excellent preserved condition.

The filigree remains crisp and intact, with strong definition throughout the gallery. Milgrain edges are well-preserved, and all stones are secure. Light wear consistent with age.

Collector's Perspective

Art Deco shield rings represent one of the most visually commanding and technically refined categories of vintage jewelry. What separates this example from the majority is the presence of a GIA-certified Royal Blue center sapphire, a designation that dramatically elevates both rarity and desirability.

True Royal Blue sapphires are increasingly scarce in the market, particularly when set within original, period-correct mountings. The combination of certified color rarity, triple sapphire symmetry, and original old-cut diamond accents makes this a standout acquisition.

This is not just an Art Deco ring-it is a color-driven collector piece, anchored by one of the most coveted sapphire classifications in existence.

Collector's Value & Market Analysis

Art Deco platinum sapphire rings with GIA-certified Royal Blue centers consistently command premium positioning in the secondary market. Value is driven by three key factors:

Certified color rarity (Royal Blue classification)
Authentic period craftsmanship (filigree, milgrain, old-cut diamonds)
Strong geometric design (shield form)

Comparable examples with certified center stones routinely outperform non-certified or commercially graded sapphire rings. Pieces combining certification + original mounting + balanced design are becoming increasingly difficult to source.

This ring sits firmly within that upper tier.

Pre-Bid Viewing Support

Text 586-482-4022 during the pre-bidding period for additional photos, videos, or specific angles.
Unavailable during live bidding.

Important Bidding Notice

Placing a bid constitutes a binding purchase agreement. Non-payment or cancellations will result in fees and potential account restrictions.

Payment must be completed via verified wire transfer or another approved immediate method. Alternate forms of payment may be subject to a 7-10 business-day hold.

Bid with integrity.

Authenticity Guarantee

All items offered by Hannosh's are thoroughly tested, authenticated, and guaranteed to be exactly as described.
Each piece is reviewed by our in-house jewelers and gem specialists prior to listing.