Round|Natural|GIA

2.51ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 6521132271

Certificate GIA 6521132271

Diamond specifications and retailer prices

From ₹21,70,557 INR
$22,860 USD
As of November 1, 2026
Save ₹17,14,861 INR (44%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: ₹45,11,413 INR at Cape Diamonds · As of October 17, 2026
View at Cape Diamonds

About this 2.51ct natural round diamond

This 2.51ct natural round sits in the two to three carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6521132271. Listed at 21 retailers as of November 1, 2026, with a 79% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

2.51
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6521132271
Dimensions8.65 × 8.58 × 5.40 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
8.65 mm8.58 mm2.51 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6521132271
Side View
Table 56.0%Crown 36.5°Girdle: ThickPavilion 40.6°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: ₹45,11,413 INR|Low: ₹21,65,430 INR|High: ₹51,95,711 INR|Avg: ₹28,59,786 INR
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 5₹21,65,430 INR
Retailer 13₹21,70,557 INR
Retailer 3₹22,87,535 INR
Retailer 9₹23,39,945 INR
Retailer 12₹23,84,195 INR
Retailer 2₹25,35,261 INR
Retailer 10₹25,46,939 INR
Retailer 7₹27,44,019 INR
Retailer 11₹27,48,803 INR
Retailer 8₹29,53,638 INR
Retailer 4₹32,12,633 INR
Retailer 6₹38,85,418 INR
Cape Diamonds₹45,11,413 INR

34 data points across 13 retailers

21 retailers₹21,70,557 INR to ₹38,85,418 INR

A
Cheapest Retailer
-
₹21,70,557 INR
$22,860 USD
A
Retailer 2
-
₹22,87,535 INR
$24,092 USD
View
B+
Retailer 3
-
₹22,88,675 INR
$24,104 USD
View
A
Retailer 4
-
₹23,39,945 INR
View
B+
Retailer 5
-
₹23,84,195 INR
$25,110 USD
View
Final sale: no returns
B+
Retailer 6
-
₹25,35,261 INR
£21,024 GBP
View
B+
Retailer 7
-
₹25,46,939 INR
$26,824 USD
View
Retailer 8
-
₹25,46,939 INR
$26,824 USD
View
Price last confirmed 18 days ago
Retailer 9
-
₹25,46,939 INR
$26,824 USD
View
Price last confirmed 32 days ago
Retailer 10
-
₹25,91,470 INR
$27,293 USD
View
Price last confirmed 35 days ago
Retailer 11
-
₹26,12,169 INR
$27,511 USD
View
Price last confirmed 33 days ago
B+
Retailer 12
-
₹26,59,550 INR
$28,010 USD
View
B+
Retailer 13
-
₹26,59,550 INR
$28,010 USD
View
Retailer 14
-
₹26,95,156 INR
$28,385 USD
View
Price last confirmed 34 days ago
B+
Retailer 15
-
₹27,44,019 INR
£22,756 GBP
View
B+
Retailer 16
-
₹27,48,803 INR
$28,950 USD
View
Retailer 17
-
₹27,98,746 INR
$29,476 USD
View
Price last confirmed 33 days ago
B
Retailer 18
-
₹29,53,638 INR
€29,626 EUR
View
Retailer 19
-
₹32,12,633 INR
$33,835 USD
View
Price last confirmed 11 days ago
B
Retailer 20
-
₹38,85,418 INR
£32,221 GBP
View
Most Expensive
Cape Diamonds
cert_6521132271 · Oct 17
₹45,11,413 INR
ZAR 767,586 ZAR
View
Price last confirmed 15 days ago
20 more retailers have this diamond
Prices start from ₹21,70,557 INRSave up to ₹17,14,861 INR

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
2.51ct Round
₹21,70,557 INR