I definitely agree with the sharing and responses to Velle's current situation, and can't help but to also share my 2c about this. Just a heads up, it's pretty long, and might be boring to some.
Engagement ring is meant as an object that carries a really deep meaning, lifetime promise and love for the other half. It is not simply just a ring/present to gift to the other half, but is a token of significance important that shows one's dedication and readiness to accompany his lady for the rest of her life, being there for her, and with her, regardless of anything that comes ahead for them.
Of course I do understand that ladies, generally love diamonds a lot (guys do too, like myself), and is definitely a beautiful accessory to be worn on a daily basis, be it for self admiration or also show others. Who doesn't? If we all have the money, we would be able to purchase everything we want, since we're able to do so financially. But of course, don't get me wrong here. I am not saying one should just spend unnecessarily even if he/she is wealthy.
As your partner's current financial situation isn't able to afford a 1 carat diamond ring, being his partner, and wife-to-be in the future, instead of being sad and disappointed in the size of the diamond, why don't you try looking at it from another angle? I'm sure that for an average earner, a 0.7x carat diamond is already considered rather expensive to begin with, and yet he's still willing to spend the money on getting a diamond as close to your 1 carat as possible. I know 0.3 carat is still quite a big difference, but is there really a need to get a 1 carat diamond when the current financial situation doesn't allows for it? Do you really bear to see him saving every single cent and meal, just so he can spend all these hard earned money on a 1 carat diamond, simply to satisfy the criteria you set for him?
If your answer is yes to that, maybe it just says something. I'm sure that your partner is also feeling guilty and bad as well, that he is unable to give you the 1 carat diamond that you've always been hoping for, especially if he knows that you're really upset and disappointed about it. Have you thought about that as well? That despite everything he had earned and saved, and then spending it all on a beautiful diamond ring that he thought could put a smile to your face, all it brought about is the total opposite. He'd probably hate himself even more as a result, maybe more so than the unhappiness and hatred you're currently dealing with.
Sometimes, we've to look at the current priorities and situation we're facing first, before really being affected by such issues. I'm sure that purchasing an engagement ring for the other half isn't always just about the lady. The man is involved as well, having put his heart and soul into choosing the diamond, ring, and finally the planning involved in proposing to the lady of his life. There's an emotional aspect to it as well, if you did not realise - And that is the promise he makes to you when he presents the ring in front of you, and putting it on your finger.
Like many others have shared, diamond can always be changed and upgraded, but not the promise of embarking together on this lifetime journey.
Honestly speaking, I'm actually still a full time student whom is pursuing my degree currently, but my partner and I have already applied for our BTO. As we felt that it was the right time for us to do so, giving us ample time for myself to graduate and work for a year or two, before our house is completed. Financially, I'm pretty sure I'm nowhere near to any of the gents here whom're on the search for the engagement ring to propose to their partners. Nonetheless, I've already decided to start early and propose to her some time late next year, to signify my readiness and promise to be the partner whom she can always love, trust and rely on for the rest of her life.
I've been working and saving really hard for it, but I know that I'm definitely not able to give her a 1 carat diamond. In fact, she doesn't even want such a big one, but is happy with even a 0.4 carat or smaller ones (I did casually asked her before about the size, and we also tried at jewellery stores to pass time). Furthermore, she has always been constantly reminding me to save up, for we've a lot of expenses coming right up in the next few years - My tuition fee loan, our house renovation, ROM and wedding etc.
To me, I want to get an engagement ring as big as I am able to afford so currently. Of which, I've settled on a 0.63 carat, which I've already purchased from JP after comparing a few and looking through, and am waiting for the design of the setting. Truth to be told, this has actually bust my savings by a fair bit (at least 50%), but I don't mind just scraping by for the near future, just to get her something I'd like to give to her. It's not because I want to show off the ring to our families and friends, but simply because I want to give her the best.
Furthermore, I've also constantly reprimanded myself and regretted on spending unnecessarily in the past, otherwise, I could have given her something bigger. However, I'm still satisfied with my current purchase and decision, as I know that we can always upgrade the diamond in the future, when I am able to do so financially after I start working and earning more. Most importantly, I am more excited, yet nervous at the same time, for the day of the proposal to arrive.
My apologies for the really long post and if I had sounded harsh/rude/etc, but I'm just trying to share my honest views from someone whose definitely not financially capable at all, so that maybe you could have a better look at the overall picture. If you look at the engagement ring from another perspective, maybe you'll feel better, that your partner has decided to be together with you for the rest of his life, and will love and care for you as his partner, wife, and mother of your future family. If you simply see the ring as an object for personal admiration, you'll never be able to get past this emotional turmoil inside you, and maybe you have to reconsider your future with him.