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1.51ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 5181599972

Certificate GIA 5181599972

Diamond specifications and retailer prices

From ₹9,81,844 INR
$10,345 USD
As of November 1, 2026
Save ₹10,35,018 INR (51%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: ₹20,16,862 INR at Diamond Quarter · As of November 2, 2026
View at Diamond Quarter

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5181599972. Listed at 20 retailers as of November 1, 2026, with prices from ₹9,81,844 to ₹20,16,862, a ₹10,35,018 spread on the same certified stone. Diamond Quarter lists it at ₹20,16,862. 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

1.51
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5181599972
Dimensions7.40 × 7.37 × 4.50 mm
L/W Ratio1.00
Top View
7.40 mm7.37 mm1.51 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5181599972
Side View
Table 59.0%CrownGirdle: THN-STKPavilionCulet: NoneDepth 60.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: ₹11,91,307 INR|Low: ₹9,24,234 INR|High: ₹18,48,467 INR|Avg: ₹12,65,034 INR|-4.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 2, 2026
Retailer 16₹9,81,844 INR
Retailer 13₹10,11,551 INR
Retailer 10₹10,29,014 INR
Retailer 3₹10,52,936 INR
Retailer 11₹10,92,889 INR
Retailer 6₹11,09,118 INR
Retailer 19₹11,09,118 INR
Retailer 1₹11,91,307 INR
Retailer 8₹12,01,466 INR
Retailer 15₹12,06,689 INR
Retailer 2₹12,19,973 INR
Retailer 7₹12,83,658 INR
Retailer 5₹12,86,031 INR
Retailer 17₹12,86,031 INR
Retailer 20₹13,28,740 INR
Retailer 18₹13,33,092 INR
Retailer 4₹13,86,350 INR
Retailer 14₹16,29,388 INR
Retailer 12₹17,32,098 INR
Retailer 9₹18,48,467 INR

44 data points across 20 retailers

20 retailers₹9,81,844 INR to ₹20,16,862 INR

B+
Cheapest Retailer
-
₹9,81,844 INR
$10,345 USD
B+
Retailer 2
-
₹10,11,551 INR
$10,658 USD
View
B
Retailer 3
-
₹10,29,014 INR
$10,842 USD
View
B
Retailer 4
-
₹10,52,936 INR
CA$15,408 CAD
View
B
Retailer 5
-
₹10,92,889 INR
$11,515 USD
View
B
Retailer 6
-
₹11,09,118 INR
$11,686 USD
View
B
Retailer 7
-
₹11,09,118 INR
$11,686 USD
View
Final sale: no returns
B
Retailer 8
-
₹11,91,307 INR
£9,883 GBP
View
B
Retailer 9
-
₹12,01,466 INR
$12,659 USD
View
Retailer 10
-
₹12,06,689 INR
A$19,560 AUD
View
Price last confirmed 9 days ago
B
Retailer 11
-
₹12,19,973 INR
$12,854 USD
View
B
Retailer 12
-
₹12,83,658 INR
$13,525 USD
View
B
Retailer 13
-
₹12,86,031 INR
$13,550 USD
View
B
Retailer 14
-
₹12,86,031 INR
$13,550 USD
View
B
Retailer 15
-
₹13,28,740 INR
$14,000 USD
View
B
Retailer 16
-
₹13,86,350 INR
$14,607 USD
View
B
Retailer 17
-
₹16,29,388 INR
ZAR 277,346 ZAR
View
B
Retailer 18
-
₹17,32,098 INR
£14,370 GBP
View
B
Retailer 19
-
₹18,48,467 INR
$19,476 USD
View
Most Expensive
B
Diamond Quarter
1.51SI1G517287D1N · Nov 2
₹20,16,862 INR
£16,732 GBP
View
19 more retailers have this diamond
Prices start from ₹9,81,844 INRSave up to ₹10,35,018 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.

B+
1.51ct Round
₹9,81,844 INR