The 2018 Lokoya Cabernet Sauvignon Diamond Mountain is a distinguished wine hailing from the North Coast region of California, specifically the Diamond Mountain appellation in Napa Valley. This varietal is a full-bodied red wine made from 100% Cabernet Sauvignon grapes. The wine showcases an alcohol content of 14.5% and is sealed with a traditional cork closure. Produced by Lokoya, a name synonymous with excellence in winemaking, this vintage exemplifies the unique terroir of Diamond Mountain.

The wine has received high praise from various professional reviewers, with scores ranging from 95 to 98. Decanter awarded it a score of 95, describing it as "wonderfully perfumed and exuberant on the nose, with aromas of lilacs, fresh herbs, and orchard blossoms." They further noted, "It is opulent and forward but with considerable lift on the finish. The tannins are prominent and fine-grained, with an impressively long and evolving finish."

James Suckling gave it an outstanding score of 98, remarking on its "blackberry and blueberry with some dried chili and hints of pine needles. Currants, too." He praised its structure, saying, "Full-bodied and very focused with tight, fine-grained tannins that frame the fruit really well. Some violets. Great length and focus. Superb."

Jeb Dunnuck also rated the wine at 98, highlighting its "deep purple/ruby color" and "brilliant, full-bodied, seamless" nature. He described the bouquet as being defined by "blackcurrants, chocolate, loamy earth, tobacco, and violet notes," and emphasized its "voluptuous, layered mouthfeel, ample tannins, and a great finish."

Robert Parker's Wine Advocate gave the wine a score of 97, noting its "profound cassis, black plums, and blackberries scents backed up by suggestions of espresso, black olives, and bay leaves." The publication highlighted its "concentrated, full-bodied palate," supported by "a firm backbone of grainy tannins and well-knit freshness."

Vinous awarded the wine a score of 96, praising its "power and density" and its beautifully delineated flavors of "inky fruit, graphite, lavender, blackberry, and spice." According to Vinous, the wine has "a sense of intrigue that is all its own."

Wine Spectator also rated the wine at 95, noting it is "jam-packed with bright and juicy cassis, plum preserves, and raspberry reduction notes." The review mentioned the "sleek licorice and graphite notes adding support" and the "serious coiled-up energy on the finish."

Overall, the 2018 Lokoya Cabernet Sauvignon Diamond Mountain is a highly acclaimed wine, characterized by its rich fruit flavors, fine-grained tannins, and impressive aging potential.