Sydney agent Louis Le Metayer is keen on quality first foals at yearling sales, even at $150,000 over budget.

Le Metayer went to $550,000 on day two of the New Zealand Bloodstock Premier Sale in Karaka for a High Chaparral-Alagant Satin colt offered by Curraghmore Stud.

Le Metayer says it's worth taking a risk on first foals as many good gallopers in recent years were first foals.

"Black Caviar was a first foal, Redoute's Choice was a first foal," Le Metayer said.

"He's by one of the best staying stallions in the southern hemisphere, he's got an aura of class, he's got a stallion's head, he's got huge nostrils, he's just a fabulous, athletic horse. I just fell in love."

Le Metayer did not have a client when he arrived at Karaka but managed to convince Queensland businessman Ron Wanless to buy the colt.

"The instructions were $400,000, but we got caught up in the excitement of auction, I guess," he said.

"He said `just check with me after $400,000'. Everything's good."

Fledgling Sydney trainer Bryce Heys was also active on day two, paying $475,000 for an O'Reilly-Zamfir filly.