Top 50 Diamonds by Certification Score in India

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

Last updated 31 July 2026 · Based on 50 active listings ranked by certification

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	8.04ct ROUND K SI1	natural	100	₹65,86,222 INR
2	8.03ct OVAL G VS2	natural	100	₹2,95,38,452 INR
3	7.03ct CUSHION F VS2	natural	100	₹2,72,79,171 INR
4	7.01ct PEAR I SI2	natural	100	₹78,45,833 INR
5	6.06ct OVAL D VVS2	lab grown	100	₹12,34,583 INR
6	5.30ct HEART D FL	natural	100	₹1,81,47,500 INR
7	5.12ct OVAL E VVS2	lab grown	100	₹8,64,008 INR
8	5.11ct HEART D IF	lab grown	100	₹11,38,417 INR
9	5.06ct OVAL E IF	lab grown	100	₹11,27,250 INR
10	5.04ct HEART E IF	lab grown	100	₹9,46,417 INR
11	5.01ct ROUND H SI2	natural	100	₹42,13,167 INR
12	4.71ct HEART D IF	lab grown	100	₹7,63,583 INR
13	4.58ct ASSCHER E VVS2	lab grown	100	₹7,02,083 INR
14	4.56ct OVAL D VVS1	lab grown	100	₹9,78,333 INR
15	4.24ct ROUND D VVS1	lab grown	100	₹3,91,833 INR
16	4.22ct ROUND D VVS1	lab grown	100	₹3,90,000 INR
17	4.21ct OVAL D VVS1	lab grown	100	₹5,59,250 INR
18	4.16ct HEART D IF	lab grown	100	₹6,99,833 INR
19	4.09ct OVAL F VVS2	lab grown	100	₹4,70,000 INR
20	4.07ct OVAL D VS1	lab grown	100	₹7,40,917 INR
21	4.03ct PRINCESS I VS2	natural	100	₹45,44,477 INR
22	4.01ct ROUND J SI1	natural	100	₹28,17,531 INR
23	4.01ct ROUND F IF	natural	100	₹1,26,71,917 INR
24	3.96ct OVAL D FL	lab grown	100	₹12,08,917 INR
25	3.91ct OVAL E VS1	lab grown	100	₹1,47,167 INR
26	3.79ct ASSCHER D FL	lab grown	100	₹11,88,083 INR
27	3.67ct PRINCESS D VVS1	lab grown	100	₹3,46,833 INR
28	3.62ct ASSCHER G VVS2	lab grown	100	₹57,500 INR
29	3.60ct OVAL E VVS1	lab grown	100	₹6,56,667 INR
30	3.57ct HEART D IF	lab grown	100	₹4,51,333 INR
31	3.55ct ASSCHER F VS1	lab grown	100	₹4,67,083 INR
32	3.52ct OVAL E VS2	lab grown	100	₹1,50,917 INR
33	3.52ct OVAL J SI1	natural	100	₹25,65,250 INR
34	3.51ct CUSHION E VS2	lab grown	100	₹1,47,500 INR
35	3.42ct ROUND E VVS1	lab grown	100	₹2,43,417 INR
36	3.37ct PRINCESS E VS2	lab grown	100	₹4,22,500 INR
37	3.37ct OVAL E VVS2	lab grown	100	₹5,33,333 INR
38	3.33ct RADIANT L VS1	natural	100	₹23,12,892 INR
39	3.28ct ROUND F VS1	lab grown	100	₹1,09,333 INR
40	3.28ct PRINCESS E VVS2	lab grown	100	₹5,17,083 INR
41	3.26ct OVAL E IF	lab grown	100	₹3,76,750 INR
42	3.17ct ROUND D VVS1	lab grown	100	₹1,75,167 INR
43	3.09ct CUSHION D VVS2	lab grown	100	₹3,05,000 INR
44	3.07ct OVAL E VS2	lab grown	100	₹1,03,333 INR
45	3.06ct ROUND E VS1	lab grown	100	₹12,06,333 INR
46	3.06ct ROUND D VS2	lab grown	100	₹16,16,083 INR
47	3.05ct OVAL E VS2	lab grown	100	₹71,167 INR
48	3.05ct OVAL K SI1	natural	100	₹17,97,593 INR
49	3.04ct ROUND D VVS1	lab grown	100	₹2,25,917 INR
50	3.04ct HEART I SI2	natural	100	₹10,25,000 INR

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