Manufacturers · Distributors · Exporters · Est. 1998

SimDiam

Honing ourselves for more than 25 years, we have earned our edge with innovation, excellence and integrity.

Our Portfolio of Brilliance Get in touch

A heart, a cushion and a round brilliant cut diamond on dark blue satin

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1998Established

+Team Members

0.01 to ctRounds & Fancy Cuts

GIA · IGI ·
HRD · GSICertificates on Demand

Diamonds & Jewelry

Our Portfolio of Brilliance

Round
Princess
Cushion
Oval
Emerald
Asscher
Radiant
Pear
Marquise
Heart

Round Diamonds

0.01 to 5 carats

Fancy Cut Diamonds

0.01 to 5 carats

Precision Cut Diamonds

Customized as per the requirement of the client’s Jewelry

Jewelry

Rings, Studs, Pendants and Bridal Jewelry

Sizes: 0.01 to 5 carats
Shapes: All shapesRound and Princess
Colours: D to M
Clarities: VVS to I3
Certificates: GIA · IGI · HRD · GSI30 points and up, on demand

We are a reputed supplier of Solitaires, calibrated Diamonds and Jewelry for larger as well as customised production. We have a dedicated division for making bespoke shapes and faceting Diamonds and hence we are able to manufacture all shapes of Diamonds. However, we specialise and are known for our Round and Princess cut Diamonds. Our standing inventories include D to M colours and VVS to I3 clarities. We provide GIA/IGI/HRD and GSI certificates for all Diamonds from 30 points and up on Demand.

The Leonardo Da Vinci Cut

A harmonious effect designed centuries before us and present in a cut that no one else can offer

With 57 facets, it crafts a pentagonal table, radiating a kaleidoscope of three stars, creating an unmatched luminosity and enchanting allure.

Crown, profile and pavilion

IGIHRDGIA

Three of the world’s foremost certification authorities, IGI, HRD, and GIA, have bestowed their prestigious certifications upon the unique Leonardo Da Vinci diamond cut.

Enquire about the cut

Stringent Processes · Impeccable Services

As untiring champions of excellence, we have streamlined our production processes to ensure that only the best diamonds and jewelry are manufactured in our facility.

01Sourcing
Sim Diam secures only the finest rough diamonds from DTC, ALROSA, RIO-TINTO, DOMINION and their associates throughout the world and applies its expertise to give clients a high quality product as per their requirements.
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02Sorting
Starting from the sourcing stage, the rough diamonds are thoroughly scrutinised before they are picked to become a part of our inventory.
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03Planning
Our state-of-the-art manufacturing unit is equipped with the most advanced machine tools and equipment like Galaxy, Sarin, Helium etc to ensure accuracy, perfection and quick turnaround time.
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04Polishing
Following that, our diamonds are handled with utmost care and precision to produce the highest quality product.
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05Inspection
Our strong team of over 1200 members excel in different tasks and contribute to maintaining our high quality standards.
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Jewelry

Rings, Studs, Pendants
and Bridal Jewelry

Sim Diam’s Jewelry vertical includes programs for Diamond Studs and Pendants. Our Bridal division is equipped to have the latest styles and designs constructed into programs, so that the retailers can be offered the latest trends, at any given point of time.

Explore Our Jewelry

The Mumbai office seen through its etched glass partition

About Us

Just like diamonds evolve over time, Sim Diam has made its shine evident in the world of these sparkling beauties.

Roshan Sethia established Sim Diam in 1998 and since then, it is a well-respected name in the business. Leading global players trust us because we offer high quality Round, Fancy cut and Precision cut Diamonds as well as Jewelry. We’ve earned our reputation as the preferred manufacturers, distributors and exporters due to our commitment to quality, perfection and ability to nurture long-lasting relationships with our clients.

About Us

Message from the Chairman

At Sim Diam, two facets will always be non-negotiable - Only the best quality diamonds will bear our name, and the relationship we form with our clients is more valuable than the business we do with them. For us, these two precious philosophies form the benchmark of measuring our success.

Mr. Roshan Sethia

(Chairman)

Redefining Client Relationships

We regard our clients as partners.

The most important principle that guides our business interactions is that we regard our clients as partners, our involvement surpasses transactional commitments. We invest ourselves in building relationships on the unwavering foundation of trust, mutual respect and appreciation of each other’s inherent willingness to add value and grow together. This has both strengthened our synergy and has created highly enriching and satisfying business relationships.