Natural Certified Loose Diamonds

Find certified loose diamonds for sale, hand selected by our GIA Gemologists for beauty and value. Our 100% natural loose affordable diamonds online feature actual photos and all include a GIA, EGL or AGS certificate.

Have questions? Contact us by Phone or Live Chat to speak to a GIA Gemologist for help and easy to understand answers about diamonds. Our Loose Diamond Price Match Guarantee and our No-Commission, No Sales Pressure experts make it easy to find the ideal loose diamond for you!

Looking for a a natural old cut diamond? → Browse Vintage Old Cut Loose Diamonds

18 items | Page 1 of 1

Sort by

0.36 Carat E Color SI1 Clarity Loose Natural Diamond | Gorgeous EGL Certified
D167

$615

| /

No reviews

What We Love About This Loose Natural Diamond:- Top White E Color- Good Symmetry- 100% Eye Clean SI1- EGL USA Certificate
0.38 Carat D Color SI1 Clarity EGL USA Certified | Natural Loose Round Diamond
D388

$700

| /

No reviews

Loose Natural Diamond Highlights:- Top D Color- Desirable 100% Eye-clean SI1 Clarity- EGL USA Certificate
0.38 Carat D Color SI2 Clarity Natural Loose Round Diamond - 100% Eye Clean - EGL USA Certified
D337

$670

| /

No reviews

Loose Natural Round Diamond Highlights:- Top D Color- 100% Eye Clean SI2- Good Cut and Symmetry- EGL USA Certificate
0.38 Carat Natural Loose Round F Color Diamond SI1 Clarity | EGL USA Certified
D233

$660

| /

No reviews

Loose Round Brilliant Natural Diamond Highlights:- Top White F Color- 100% Eye Clean- Good Symmetry and Cut- EGL Certificate
0.39 Carat G Color SI1 Clarity EGL USA Certificate | Natural Loose Round Diamond
D412

$705

| /

No reviews

Loose Natural Diamond Highlights:- White Bright G Color- Desirable 100% Eye-clean SI1 Clarity- Good Symmetry- EGL USA Certified
0.39 Carat Natural Faint Yellow Loose Round L Color Diamond SI2 Clarity | EGL USA Certificate | Good Cut
D272

$550

| /

No reviews

Natural Loose Round Diamond Highlights:- 100% Eye Clean- Good Cut and Symmetry- Unique Faint Brilliant Yellow Color, Perfect for Yellow Gold - EGL ...
View full details
0.40 Carat H Color SI2 Clarity Loose Round Brilliant Natural Diamond | EGL USA Certified
D534

$590

| /

No reviews

About this Affordable Natural Loose Diamond:- 100% Eyeclean SI2 Clarity- EGL USA Certificate included
0.40 Carat K Color SI1 Clarity EGL Certified Natural Loose Round Brilliant Cut Diamond
D553

$520

| /

No reviews

Loose Natural Diamond Details:- Eye Clean SI1 Clarity- Warm K Color, Perfect Match for Yellow Gold- Good Symmetry- EGL USA Certified
0.41 Carat K Color SI1 Clarity EGL USA Certified Natural Loose Round Diamond
D208

$660

| /

No reviews

Loose Round Natural Diamond Features:- Very Good Polish- Eyeclean SI1 Clarity- Warm K Color Pefect for Yellow Gold- EGL USA Certified
0.41 Carat Loose Round Old Cut Diamond - Natural | E Color SI2 Clarity | EGL USA Certificate
D273

$820

| /

No reviews

Loose Natural Diamond Highlights:- Desirable White E Color- Old Round Brilliant Diamond, circa 1920's- Previously Owned Vintage Cut Artisan Diamond...
View full details
0.41 Carat Natural Loose Round Diamond | J Color SI1 Clarity EGL USA Certified
D188

$690

| /

No reviews

Affordable Loose Round Natural Diamond Highlights:- Good Cut- Eye Clean SI1 Clarity- EGL USA Certified
0.47 J Color SI1 Clarity Loose Round Brilliant Cut Diamond - Natural | Excellent Cut With Hearts and Arrows | EGL USA Certificate
D514

$940

| /

No reviews

What we love about this natural loose round diamond:- Excellent Cut with desirable "Hearts and Arrows"- Warm J Color, Perfect for Yellow Gold- EGL ...
View full details
0.60 Carat Loose Diamond | Natural Round Brilliant - Warm M Color SI1 Clarity | Good Cut with EGL USA Report
D571

$1,300

| /

No reviews

Natural Loose Round Diamond Features: - 100% Eye Clean - Good Cut - Unique Natural Warm M Color - Perfect for Yellow Gold
0.62 G Color SI1 Clarity Natural Loose Round Diamond EGL USA Certified | Hearts and Arrows Cut
D361

$1,850

| /

No reviews

Highlights for this Loose Round Brilliant Cut Diamond: - White G Color - Very Good Cut - Very Good Symmetry with top brilliance - 100% Eye Clean, G...
View full details
0.91 Carat H Color SI3 Clarity Affordable Loose Round Diamond | EGL USA Certified Natural Diamond
D590

$1,340

| /

No reviews

This 0.91 carat affordable round diamond was removed from a well worn and well loved antique piece. It has one of a kind natural "salt and pepper" ...
View full details
Loose 0.35 Carat Princess Cut Square Diamond E Color SI2 Clarity | EGL USA Certificate | Natural and Completely Eyeclean with Good Cut
D105

$400

| /

No reviews

Notable Features for this Natural Loose Princess Cut Diamond: - White and Bright E Color - 100% Eye Clean SI2 Clarity - Good Symmetry - Desirable S...
View full details
Loose 1.27 Carat Round Diamond F Color SI3 Clarity EGL USA Certified | Natural
D115

$3,880

| /

No reviews

What we love about this natural loose diamond: - High F Color - Very Good Cut - Wonderful Brilliance - 100% Eye Clean
Loose Round 0.61 Carat F Color SI3 Clarity Diamond Natural and Eye Clean with Very Good Cut and EGL USA Certificate
D499

$1,260

| /

No reviews

Desirable features of this Natural Loose Round Diamond: - High F Color - 100% Eye Clean - Very Good Cut - EGL USA Certified