HPHT Diamonds
HPHT is a diamond color enhancement process performed only on rare Type 2a diamonds with the highest structural integrity and clarity grades. The process mimics the same geological conditions the earth uses to uncover colorless and white diamonds.
![10.06 ct Oval GIA, HPHT [SALE PENDING]](https://www.hadardiamonds.com/media/catalog/product/cache/1/small_image/300x300/9df78eab33525d08d6e5fb8d27136e95/h/p/hpht-diamonds-4-04-ct-oval-brilliant-gia-certified_3.png)
![12.12 ct Intense Purplish Pink, GIA, HPHT [SALE PENDING]](https://www.hadardiamonds.com/media/catalog/product/cache/1/small_image/300x300/9df78eab33525d08d6e5fb8d27136e95/1/2/1212-carat-cushion-cut-hpht-diamond-web.jpg)
![3.03 ct Cushion, GIA VVS2 HPHT [SOLD]](https://www.hadardiamonds.com/media/catalog/product/cache/1/small_image/300x300/9df78eab33525d08d6e5fb8d27136e95/h/p/hpht-diamond-3-carat-cushion-gia.png)
![8.01 ct Purplish Pink, VVS1, HPHT [SALE PENDING]](https://www.hadardiamonds.com/media/catalog/product/cache/1/small_image/300x300/9df78eab33525d08d6e5fb8d27136e95/8/_/8.01_round_f._purplish_pink_vvs1_1_3_face_up.jpg)