The Diamond Pro

Q&A: Choosing a 1.50 Ct. Round Diamond for a Platinum Solitaire Setting

The following is a real email conversation between The Diamond Pro and a reader just like you who contacted us.
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Hi!

I would very much appreciate your recommendations for 3 rings at 3 different carat sizes: 1.50, 1.80 and 2.00 on James Allen. I am still undecided about the upper cost limit, but I would like them to be as cost effective as possible. I think my girlfriend would like a larger carat, but I am not certain whether a higher carat would be the most cost effective choice, especially if, for example, it might require a higher clarity to be eye clean.

Below I’ve listed the criteria for the ring. I’m looking for the most cost effective characteristics that are most cost affordable but sacrifice the least in terms of quality. I’ve also included my thoughts in each section so you can have an idea of what I’m looking for:

1. Setting: solitaire, platinum
2. Shape: round
3. Color: ?H and above
4. Clarity: S1 that is eye clean under inspection or greater. I wonder if you need a higher quality for larger carats?
5. Cut: ?usually ideal

James Allen has a 25% sale in the next three days. I would very much appreciate it if you could get back to us before then?

Thank you!!!

I was also wondering about ring sizes. Are these usually standard, regardless of where you go?

Thanks again!!!

Thanks for your quick reply!

I was wondering if you could also have a look at these diamonds and let me know your thoughts. Would you also comment on whether they are eye clean? I was also what is the reason for the difference in price compared to the ones you picked for 1.5k and 2k respectively.

1) www.jamesallen.com/loose-diamonds/round-cut/1.50-carat-j-color-vs2-clarity-excellent-cut-sku-2818736?a_aid=dmnd1357

2) www.jamesallen.com/loose-diamonds/round-cut/2.01-carat-j-color-si1-clarity-excellent-cut-sku-3231927?a_aid=dmnd1357

Thanks again for your help!

The 1.50ct you found is stunning! We usually try to keep the depth below 62.6%, but 62.8% isn’t a big deal and the diamond is in fact cut beautifully. It will have a lot of fire and brilliance. Great choice! It is also eye-clean.

The two carat you found isn’t eye-clean.

Thanks for the feedback!

What about the following choice for a 2 carat diamond?
www.jamesallen.com/loose-diamonds/round-cut/2.03-carat-j-color-si1-clarity-excellent-cut-sku-3213779?a_aid=dmnd1357

The feather around the culet will be a problem and will be visible through the stone.

Yesterday, when I was prepared to purchase the 1.5 carat diamond, it was unfortunately already sold! So I would appreciate your help to find a few options around 1.45 to 1.55 ct which are eye clean and beautifully cut to produce a lot of fire and brilliance.

Thanks again for your assistance!

Thanks so much for all your help! We have gone ahead and purchased the 3005843 diamond. I purchased it under this email.

Best wishes.

That’s excellent news! Thank you for telling me. I’m glad I could help.

Let me know how it looks when you receive it.

Top Recommended Vendors
Blue Nile Blue Nile is the largest and most well known internet jewelry seller. They have a very large exclusive online inventory. Their high quality images are catching up to James Allens' and their prices are amazing. Blue Nile is currently running a limited time sale offering 15% on settings site-wide. Click here to browse some great settings.
What we love about them:
  • No questions asked returns within 30 days of shipment. Blue Nile will send you a paid shipping label to return the ring.
  • Lifetime Warranty
  • Free Shipping
  • Free prong tightening, repolishing, rhodium plating and cleaning every 6 months
  • Provide insurance appraisal
  • One free resizing within the first year of purchase
  • High quality images of about half of their diamonds
  • 24/7 Customer Service
  • 100% credit towards future upgrades (must be at least double in value)
  • Best in class fulfillment

James Allen James Allen is the leader in online diamond sales. Their imaging technology is the same as inspecting a diamond with a jeweler's loupe. They have the largest exclusive loose diamond inventory online and fantastic prices. They also have the nicest collection of lab created diamonds online. James Allen, our "5 star" vendor, is running a rare 25% off sale making this a great time to purchase.
What we love about them:
  • No questions asked returns within 30 days of shipment. James Allen will send you a paid shipping label to return the ring.
  • Lifetime Warranty
  • Free International Shipping
  • Free prong tightening, repolishing, rhodium plating and cleaning every 6 months
  • Provide insurance appraisals
  • One free resizing within 60 days of purchase
  • Free ring inscriptions
  • Best-in-class high quality imagery of all diamonds in stock
  • 24/7 Customer Service
  • Best-in-class packaging

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