Thanksgiving Sale20% off everything19:00:31 leftShop the sale
OnCarat
Firn Round Halo Necklace, 2.4 ct

Firn Round Halo Necklace, 2.4 ct

$2,952 CAD $2,362 CAD20% off

yellow gold
Gold18K
Lengthchoose one

Size guide.

8 round diamonds, 2.4 carats together, set in a continuous line. There is enough metal in the mount to carry the stones without the piece feeling heavy on. D–F colour and FL–VS1 clarity, cut Excellent, IGI certified. Made to your chosen length, with a concealed clasp. Lab-grown diamonds, cut and set to order.

Diamond weight2.4 ct
Stones8
CutExcellent
ColourD–F
ClarityFL–VS1
Gold weight4.60 g
Purity18K
CertificationIGI certified
Gold$920 CAD
Diamonds$1,412 CAD
Making$280 CAD
HST$340 CAD
Subtotal$2,952 CAD
Thanksgiving Sale, 20% off−$590 CAD
Total$2,362 CAD
IGI
IGI certified Every finished piece ships with an IGI certificate for the jewellery itself, recording the metal, the stones and their total weight. The centre stone carries its own IGI report, issued for that individual diamond and numbered to it, and the report ships with the piece. What the grades mean
CutExcellent only, the top grade
ExcellentVery GoodGoodFairPoor
Most light returnedLeast
ColourD–F, the colourless grades
DEFGHIJKLM
ColourlessTinted
ClarityFL–VS1, clean to the eye and under a loupe
FLIFVVS1VVS2VS1VS2SI1SI2I1
FlawlessInclusions visible
Made to orderCut and sized after you order. Your expected delivery date is confirmed with you before any payment is taken. Not returnable, so check the size.
Free insured shippingSigned for on delivery, covered in transit.
CertifiedGrading certificate ships with the piece.
GuaranteedCovered against manufacturing defect.

Order this piece

Nothing is charged now. We confirm the details with you first, then send a payment link once your order is accepted.

Edit this piece

Close to this one

Diamonds, priced by the carat

GET IN TOUCH

sales@oncarat.com Toronto Made to order, 10–15 days Free shipping worldwide
© 2026 OnCarat. Lab-grown diamonds, made to order.