Lab-Grown Diamond Stud Earrings 7.2 mm in 18K Gold
Product code: BT-9809
Material
Quantity
18K white gold stud earrings, each with a round 7.2 mm lab-grown diamond in a four-prong setting that shows as much of the stone's edge as possible. This is the size at which a pair of studs starts to read clearly in portrait photos and on video calls — not only at conversation distance.
Jewelry details
People often choose diamonds by putting the stone on a tray and looking down at it. But an earring is never seen that way. It stands upright beside your cheek, and light reaches it from the sides — a completely different viewing condition.
On the hand, a stone faces the ceiling. On the ear, it stands sideways and lives on horizontal light.
Earrings take light from the sides, not from above
On the hand, the table of the stone almost always faces the ceiling — where the lights are — so it takes light head-on. On the earlobe the stone stands upright, its table facing outward horizontally, and overhead light only glances across it.
What does the main work then isn't the table but the ring of facets around the edge of the stone — the angled facets on its upper part. They catch light arriving horizontally and throw it back forward, toward the person looking at you. That's why a pair of earrings looks most brilliant when you sit by a window or under wall lights, not under a ceiling light.
It's also why earrings photograph better than rings. Camera lights, restaurant lighting, the light of a screen on a video call — all come from the front and sides, exactly the direction a stone on the ear needs.
How big is too big
There is a real limit, and it isn't your budget but anatomy: an earlobe is only so wide. When the width of the stone exceeds about two-thirds of the width of the earlobe, the earring starts to spill over the edge and looks borrowed from someone else — however beautiful the stone.
Here's an easy way to estimate before going to the shop: look straight into a mirror and estimate the width of the fleshy part of your earlobe. The stone should fit within about two-thirds of that, leaving a margin of skin above and below. The size in this pair falls in the safe zone for most adults — clearly large, but not touching the edge.
Small and medium sizes
Wearable every day; you forget you have them on. But people only notice them at conversation distance, and in photos they almost disappear.
This pair's threshold
Reads clearly in portrait photos and on video calls. In return your ears feel the weight, and these are no longer earrings to sleep in.
At this size, look into the center of the stone
A round stone cut slightly too shallow or too deep lets light fall through the bottom and escape out the back instead of reflecting forward. From above, this shows as a pale grey area right in the middle of the table, like a window looking through the stone.
In a small stone, that grey area is so tiny the eye ignores it. At this size it covers a real area, and once you've seen it you can't unsee it. That's why the larger the stone, the more the precision of the facets matters above everything else on the paperwork.
The stones in this pair come with an international grading certificate you can verify online, but you should still look with your own eyes — it takes ten seconds and no technical knowledge.
Three checks right at the counter
To be frank: don't sleep in these earrings. Not for fear of losing them, but for a mechanical reason: when you lie on your side, the whole weight of your head presses the earring into the pillow, and that force goes into the prongs. A few hundred nights like that and the prongs start bending outward, very slowly and very hard to notice — until the day the stone wobbles. Take them off at night and that's all it takes.
Buy at Thảo Linh
You're welcome to see them in person at our showroom, 120 Pham Thi Tanh, Chanh Hung Ward, Ho Chi Minh City, or call 0945 006 001 so our staff can hold the item and have the grading certificate ready for you to compare. Every piece at Thảo Linh comes with a 12-month warranty, free lifetime polishing and ultrasonic cleaning, and a published trade-in policy at fixed rates — you know the numbers from the day you buy.







