Top 50 Diamonds by Certification Score

Ranked by certificate rigour. GIA and AGS stones with complete grading, clear symmetry, and verified provenance come out on top.

What Certification Score Rewards

Certification score measures the rigour and completeness of the grading report behind each diamond. It weights the grading lab (GIA and AGS lead; IGI and HRD follow; newer or less-consistent labs are lower), the presence of a polish and symmetry grade (required for Excellent-cut claims), and the completeness of the proportions data. It's not measuring the diamond itself. It's measuring how confident you can be that the grades on paper match what you'll receive.

Use this list when you're buying at a price point where certification rigour matters most. Say, above $10,000, or when the stone will be insured, resold, or given as a gift with a certificate presentation. The top of this list is where the paper trail is strongest: full GIA reports with polish and symmetry grades, complete measurement data, and a clean provenance.

A high certification score doesn't mean the stone is beautiful. It just means the grading is trustworthy. Cross-reference with quality score for stones that are both well-documented and well-made. For lab-grown, IGI tops this list more often than GIA because IGI has become the default lab-grown certifier and has the most complete reports for that segment.

#	Diamond	Origin	Score	Lowest Price (INR)
1	0.35ct OVAL F SI1	natural	100	₹37,500 INR
2	0.51ct ROUND I VS2	natural	100	₹61,800 INR
3	0.40ct OVAL E SI2	natural	100	₹62,433 INR
4	0.50ct PEAR I VS2	natural	100	₹65,031 INR
5	0.50ct OVAL F VS1	natural	100	₹75,583 INR
6	0.59ct ROUND H VS2	natural	100	₹75,833 INR
7	2.03ct HEART E VS2	lab grown	100	₹78,833 INR
8	0.52ct OVAL E VVS1	natural	100	₹84,083 INR
9	0.53ct PEAR D VVS2	natural	100	₹85,465 INR
10	0.52ct OVAL G VVS1	natural	100	₹90,094 INR
11	0.70ct PRINCESS G VS2	natural	100	₹90,417 INR
12	2.53ct OVAL E VS2	natural	100	₹95,833 INR
13	0.30ct ROUND D VVS2	natural	100	₹1,00,067 INR
14	2.58ct OVAL F VS1	natural	100	₹1,02,167 INR
15	0.70ct PEAR I VVS2	natural	100	₹1,15,000 INR
16	0.70ct ROUND G VS2	natural	100	₹1,15,041 INR
17	0.70ct OVAL G VS2	natural	100	₹1,19,281 INR
18	0.70ct OVAL H VS1	natural	100	₹1,25,833 INR
19	2.01ct ASSCHER E VS2	lab grown	100	₹1,33,500 INR
20	0.70ct PEAR H VVS2	natural	100	₹1,34,167 INR
21	3.01ct ROUND F VS1	natural	100	₹1,37,250 INR
22	0.55ct PEAR F VVS2	natural	100	₹1,37,500 INR
23	0.70ct OVAL D VS2	natural	100	₹1,41,000 INR
24	2.26ct PRINCESS E VVS2	lab grown	100	₹1,42,917 INR
25	0.57ct ROUND E VVS1	natural	100	₹1,55,872 INR
26	0.70ct ROUND G VS2	natural	100	₹1,56,375 INR
27	0.70ct PEAR E VS1	natural	100	₹1,59,167 INR
28	0.70ct OVAL E VVS2	natural	100	₹1,61,328 INR
29	3.91ct OVAL E VS1	natural	100	₹1,66,000 INR
30	0.72ct PEAR E VVS1	natural	100	₹1,76,167 INR
31	1.00ct OVAL D SI1	natural	100	₹1,76,500 INR
32	0.81ct ROUND G VS2	natural	100	₹1,80,446 INR
33	0.59ct ROUND E IF	natural	100	₹2,04,728 INR
34	0.83ct ROUND G SI1	natural	100	₹2,17,671 INR
35	1.01ct ROUND I SI1	natural	100	₹2,37,490 INR
36	0.51ct ROUND D VVS2	natural	100	₹2,38,684 INR
37	1.01ct ROUND H SI1	natural	100	₹2,55,058 INR
38	1.00ct ROUND H SI1	natural	100	₹2,57,492 INR
39	1.01ct ROUND H SI1	natural	100	₹2,60,032 INR
40	1.01ct ROUND F SI1	natural	100	₹2,67,917 INR
41	1.00ct ROUND H VVS1	natural	100	₹2,75,167 INR
42	0.90ct ROUND G VVS2	natural	100	₹3,03,953 INR
43	0.90ct ROUND G VVS2	natural	100	₹3,03,953 INR
44	1.09ct ROUND I VS2	natural	100	₹3,07,763 INR
45	1.01ct PEAR H VS2	natural	100	₹3,09,083 INR
46	0.90ct MARQUISE F SI1	natural	100	₹3,29,531 INR
47	1.01ct ROUND G VS2	natural	100	₹3,68,512 INR
48	1.02ct ROUND I VS1	natural	100	₹3,85,551 INR
49	1.05ct ROUND H VS2	natural	100	₹3,90,000 INR
50	3.00ct ROUND D VVS2	lab grown	100	₹3,94,000 INR

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