5.4 mm Princess Lab-Grown Diamond Engagement Ring, 18K White Gold
Product code: NCH-17811
Material
Ring size (Vietnamese sizing)
Not sure of your size? Order anyway — we will help you measure when we contact you to confirm. Free lifetime resizing.
Quantity
An 18K white gold engagement ring: a 1 carat square lab-grown diamond center stone held by four corner-hugging V prongs whose bases cross in an X; each shoulder carries 7 graduated round stones.
Jewelry details
An 18K white gold engagement ring with a 1 carat square-cut lab-grown diamond, held by four V prongs that fully wrap its four corners. Each shoulder is set with 7 round stones graduating smaller toward the back, and the lower half of the band is plain.
The square is the cut with the most fire among angular shapes, but its four sharp corners are also its weakest point. This whole design revolves around one thing: keeping those four corners safe.
The design: four V prongs, bases crossing in an X
The 1 carat square stone sits with its four sides parallel to the band — set straight, not turned diagonally. Each corner is covered by a V prong wrapping over it, rather than a round prong that only touches the tip of the corner. A V prong covers both edges meeting at the corner, so in a knock the impact hits metal before it reaches the stone.
Below, the four prong bases bend down and cross each other in an X before joining the band. From the side you see this X frame lifting the center stone, with the space beneath the stone left open so light enters from both sides. Each shoulder carries 7 round stones, the largest right next to the prongs and graduating smaller toward the back; the stones share prongs, so very little metal shows.
At the workshop, the labor-intensive part is cutting the seat for each corner of the stone inside the V prong: the seat must match the stone's right angle exactly, deep enough for the corner to sit snugly without being squeezed. The setter places the stone, checks from all four sides that the face sits level, and only then folds the V tips down over the corners. The shoulder stones are set from largest to smallest to keep the graduation smooth.
Three things to check when you hold it
The trade-offs, plainly. First, even with V prongs covering the corners, a square stone is still more prone to chipping at the corners than a round one if knocked hard against a table edge or car door — don't wear it for heavy manual work. Second, the center stone is lifted on an X frame, so the ring sits fairly high and catches on sweaters, hair and gloves. Third, V prong tips are larger than round prongs, so the metal at the four corners is clearly visible; anyone who likes a stone that seems to "float" will find the prongs a bit prominent. Fourth, the space beneath the stone and the gaps between the crossed prong bases collect dust and lotion quickly, clouding the center stone if not cleaned.
Metal: 18K white gold and lab-grown diamonds
18K white gold has a higher gold content than 14K, a warmer, deeper base color and a more substantial feel in the hand — fitting for an engagement ring kept for life. In exchange, 18K is a little softer than 14K, so the four V prongs on this design are made thicker to make up for it, holding the 1 carat stone securely. The white outer finish may warm slightly over time; a re-polish restores the color.
The center stone and the 14 accent stones are all lab-grown diamonds: the same carbon composition, hardness and brilliance as mined diamonds, differing in origin. At 1 carat, choosing lab-grown lets you reach high color and clarity on a much more reasonable budget; for a square stone, prioritize clarity, since square corners reveal inclusions more readily than round shapes.
Who it suits, sizing tips and keeping it bright
This design suits someone who likes a clean, modern square shape but still wants a center stone big enough for an engagement ring. The stone is set straight and the shoulders graduate, so on the hand the finger looks slimmer and longer. After the wedding, it can be stacked with a slim, straight-edged wedding band.
On sizing: engagement rings are usually prepared in secret, so if you don't know her size, borrow a ring she often wears on that same finger to measure. The band is slim and comfortable; if you're between two sizes, choose the slightly smaller one, since the top-heavy center stone makes a loose ring rotate easily. The lower half is plain, so it can be enlarged or reduced later within a moderate range.
On keeping it bright: each week, soak the ring in warm water with a little dish soap for about ten minutes, use a soft brush thoroughly under the center stone and between the crossed prong bases, then dry. Take the ring off for the gym, lifting or housework with chemicals. Store it separately in a compartment box. About every six months, bring it to the workshop to check the four V prongs and the accent stone prongs on the shoulders.
Engagement ring advice at Thảo Linh Jewelry
You can try it on in person at the Thảo Linh Jewelry showroom, 120 Pham Thi Tanh, Chanh Hung Ward, Ho Chi Minh City, or call 0945 006 001 for advice on sizing and choosing the right center stone.
