11.22ct Zambian Emerald Halo Ring
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11.22ct Zambian Emerald Halo Ring:
- 11.22ct cushion-cut Zambian emerald (vivid green, F1 minor clarity enhancement)
- 2.85ct of round brilliant diamond accents (halo and band)
- 14.07ct total gemstone weight
- Platinum (950) construction with 18k yellow gold prongs holding the center stone
- C. Dunaigre Consulting (Switzerland) certified, 2023
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Lead Time
If the item is not in stock, please allow 2-4 weeks for delivery.
Complete Description
A C. Dunaigre certified Zambian emerald set in a platinum halo with 18k yellow gold accents — 11.22 carats of vivid green emerald surrounded by 2.85 carats of round brilliant diamonds. The center stone measures approximately 15.27 × 11.90mm, putting it firmly in high-jewelry scale, and is cushion-cut with a mixed cut style that maximizes both color depth and faceted brilliance.
The emerald is sourced from Zambia, one of the two most prestigious origins for emeralds (alongside Colombia). Zambian emeralds are known for their deep saturation and slightly cooler blue-green tonal range, distinguishing them from the warmer green of Colombian stones. The "vivid green" color grade on this stone is the highest in emerald terminology — the most saturated and visually striking green tone GIA and C. Dunaigre recognize.
Why this emerald is exceptional
The C. Dunaigre report notes "indications of minor clarity enhancement (F1)" — the lowest treatment level on the gemological scale, indicating that this emerald required only minimal oiling at cutting. Most natural emeralds require moderate (F2) or significant (F3) clarity enhancement; F1 stones are genuinely rare and represent natural clarity exceptional for the species. Combined with the vivid green color grade and substantial 11+ carat weight, this is the kind of stone you'd typically see only in the highest tier of fine jewelry.
The certification is from C. Dunaigre Consulting (Switzerland), considered alongside Gübelin, SSEF, and GRS as one of the world's top authorities for colored stone certification.
The setting
The ring features a deliberate two-metal construction — platinum for the band, halo, and gallery (durable, cool-toned, letting the green carry the visual story), with 18k yellow gold for the prongs holding the center emerald. Yellow gold prongs against an emerald are a sophisticated design choice rather than a default. The reflected warmth from the gold subtly reinforces the saturation of the emerald's green, deepening the color depth in a way platinum prongs wouldn't. The technique references high-jewelry tradition — yellow gold prongs are common in Edwardian and Victorian emerald pieces — and remains a hallmark of considered fine jewelry today.
How it wears
An 11+ carat emerald ring is statement jewelry — best suited for milestone purchases, anniversary pieces, milestone birthdays, or right-hand statement rings. The cushion shape sits substantially on the finger with the long parallel facets of the pavilion catching light through the depth of the stone.
This kind of piece pairs with a quiet jewelry approach — simple diamond studs, a thin tennis bracelet, or a delicate pendant. Avoid additional colored stones; let the emerald carry the color story. Mixed-metal jewelry (yellow + white, rose + white) coordinates well because the ring's two-metal construction already references this vocabulary.
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Frequently Asked Questions
We welcome custom inquiries. If you'd like to explore a different scale, diamond ratio, or design variation, please use the Contact to Inquire button and our team will be happy to discuss options with you.
The yellow gold prongs are a deliberate design choice, not a default. Yellow gold prongs against a colored stone like emerald reinforce the warmth and saturation of the stone's color — the reflected warmth from the gold subtly deepens the green in a way platinum prongs wouldn't. The technique references high-jewelry tradition, particularly in Edwardian and Victorian emerald pieces, where yellow gold prongs were standard for colored gemstones held within platinum settings. The platinum band, halo, and gallery handle the structural and visual work; the yellow gold prongs do the color work for the emerald specifically.
F1 is the lowest level of clarity enhancement on the gemological scale (F1 = minor, F2 = moderate, F3 = significant), indicating that the emerald required only minimal oiling at the time of cutting. Most natural emeralds require moderate or significant treatment to fill surface-reaching fractures. F1 stones are genuinely rare and represent natural clarity exceptional for the emerald species. The treatment is stable and can be refreshed periodically by a qualified jeweler.
The emerald is sourced from Zambia, one of the two most prestigious origins for emeralds in fine jewelry (alongside Colombia). Zambian emeralds are known for their deep saturation and slightly cooler blue-green tonal range, distinguishing them from the warmer green of Colombian stones. The C. Dunaigre report confirms the Zambian origin specifically.
"Vivid green" is the highest color grade in emerald terminology, indicating the most saturated and visually striking green tone. The grading scale moves from vivid (highest), to intense, to strong, to medium. The C. Dunaigre certificate confirms this stone meets the vivid green standard.