• Face-up blue round lab-grown diamond held in metal tweezers over beige textured fabric, showing many small facets with blue and white reflections.
  • Blue round lab-grown diamond viewed face-up on an off-white pad, with a dark blue center and small bright facets around the circular edge.
  • Face-up blue round lab-grown diamond resting on fingertips; fingerprint ridges provide scale beside the blue and white facet reflections.
  • Blue round diamond resting face-up on skin, with a star-like center, numerous small facets and bright white reflections around the edge.
  • Blue round diamond on gray textured fabric, viewed almost face-up with concentric rows of facets and bright white reflections against the blue center.
  • Reverse view of the blue round diamond held in tweezers, showing broad pavilion facets radiating from the center and pale reflections within a blue rim.
  • Side profile of the blue diamond held in metal tweezers, showing a pointed pavilion above the jaws; the front jaw partly covers the lower edge.
  • Side view of the blue round diamond on gray textured fabric, with its pointed pavilion facing upward and rows of blue and pale facets visible.
  • Blue round diamond placed on the printed IGI logo of a laboratory report, with the circular logo and website visible beside the stone.
  • Blue round diamond on IGI report LG712528893; visible text reads 1.59 carat, Fancy Blue, VS1 and Round Modified Brilliant. The stone covers part of the measurement line.
  • Blue round diamond shown in tweezers, on fingers, on the palm and on a white pad from changing angles.
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Fancy Blue Lab-Grown Diamond 1.59ct 7.18–7.21mm Portuguese Cut, VS1, IGI Certified

Fancy Blue Lab-Grown Diamond 1.59ct 7.18–7.21mm Portuguese Cut, VS1, IGI Certified

$834.00 USD
$834.00 USD
Sale Sold out
Taxes included. Standard shipping · Estimated delivery in about 2 weeks after dispatch.

BL0003

Low stock: 1 left

Import duties covered.

Standard: about 2 weeks after dispatch. Express: estimated 3–7 days after dispatch. Processing time is separate.

Returns: notify us within 14 days of receipt. Policy conditions and custom-order exclusions apply.

Shipping and returns details Refund policy

This 1.59ct Fancy Blue lab-grown diamond combines a round outline with Portuguese Cut faceting. Its verified 7.18–7.21mm diameter provides a defined size reference for a custom ring or pendant.

You receive the exact single diamond shown in the photos and video, with IGI report LG712528893. Its blue color was enhanced after faceting. One diamond is available.

DIAMOND DETAILS

  • SKU: BL0003
  • Product: Lab-grown diamond
  • Weight: 1.59ct
  • Diameter: 7.18–7.21mm
  • Shape: Round
  • Trade cut name: Portuguese Cut
  • Laboratory shape and cutting style: Round Modified Brilliant
  • Color: Fancy Blue
  • Clarity: VS1
  • Treatment: Color enhanced after faceting
  • Report: IGI LG712528893
  • Quantity: One exact diamond

CHARACTER AND SETTING IDEAS

The round outline and Portuguese Cut facet pattern can form a blue focal point in a custom ring or pendant. The diamond is sold loose and unmounted.

CLARITY AND SETTING GUIDANCE

The IGI report records VS1 clarity. Discuss the diameter and your intended setting with a jeweler, who can assess the diamond and advise on the full dimensions needed for the mounting.

PHOTOS AND VIDEO

The photos and video show the exact diamond offered. Close-ups enlarge the stones. Lighting, viewing angle, surroundings and screen settings can affect appearance.

IGI LABORATORY REPORT

An IGI laboratory-grown diamond report is included: LG712528893. The report describes the stone as Round Modified Brilliant, 1.59ct, Fancy Blue and VS1, with a diameter of 7.18–7.21mm. Portuguese Cut is our cutter’s trade name for its faceting.

GROWTH, FACETING AND ORIGIN

Faceting: Our own diamond-cutting unit in Surat, India. These diamonds are laboratory-grown, not mined diamonds. Custom cutting, recutting, matching and jewelry-supply enquiries are welcome. Contact us to discuss your requirements and current availability.

ABOUT US

Brahma Diam Co., Ltd. is based in Bangkok, with our gemstone-cutting facility in Bangkok and our diamond-cutting facility in Surat, India.

SHIPPING

Standard shipping transit normally takes around two weeks after dispatch; express transit normally takes 3–7 days after dispatch. Processing is separate; please refer to the listing and checkout for dispatch and delivery estimates. Delivery estimates are not guaranteed. We send parcels duties-paid, so buyers do not pay import duties on arrival. Returns follow the published policy for this listing.

A distinctive blue diamond for a considered custom design.

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