Help finding a similar parti sapphire

[strawrose]

You’re welcome. Also ask for multiple pictures in different lighting. Photos can be tricky.

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[toomuchB]

I will note that imo the first sapphire you posted as an ideal example is more of a bicolor (has a distinct color split) rather than a parti color (like the many posted here where the colors are mixed/intermingled). Sellers may use these terms interchangeably but there is a difference.
Does she want the bicolor look or the parti color look? I only skimmed this thread and did not see a reference to this point.
Here is another bicolor example - note the distinct color split:

Sapphire Octagon 4.650 CTS | SANT10309aa | Multicolour.com

Natural Sapphire Octagon weighing 4.650 CTS in Single loose gemstones category at Multicolour.com

www.multicolour.com

For parti-color I came across this. The seller has 25% off sales frequently which would put it at 1500 - still overbudget but figured I may as well share. You may be able to negotiate lower. It is a little lighter in tone than many of those posted here, which comes down to preference. I personally like the medium blue here which lacks green more than the darker blues or greenish blues. But, the yellow here is not as vibrant. You could ask for a video for better accuracy on color.

Fancy Color Sapphire Gems | Loose Unusual Sapphire Stones

Shop our wide selection of fancy color Sapphire gemstones like bicolor sapphire, gray sapphire, fuschia sapphire, color change sapphire gems

www.africagems.com

There is a seller who escapes me who may have something, will share if I remember.