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Cushion|Natural|GIA

1.51ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 1553050279

Certificate GIA 1553050279

Diamond specifications and retailer prices

From ₹2,89,649 INR
As of November 6, 2026
Save ₹3,66,143 INR (56%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: ₹6,55,793 INR at MOH London · As of November 2, 2026
View at MOH London

About this 1.51ct natural cushion diamond

This 1.51ct natural cushion sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1553050279. Listed at 10 retailers as of November 2, 2026, with prices from ₹2,89,649 to ₹6,55,793, a ₹3,66,143 spread on the same certified stone. MOH London lists it at ₹6,55,793. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle36.22°
OriginNatural
Grading LabGIA
CertificateGIA 1553050279
Dimensions7.56 × 5.92 × 4.14 mm
L/W Ratio1.28
Key to symbols
Feather, Crystal, Needle
Top View
7.56 mm5.92 mm1.51 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1553050279
Side View
Table 65.0%CrownGirdle: STK-VTKPavilion 36.22°Culet: NoneDepth 69.9%

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 6
Current: ₹6,55,793 INR|Low: ₹2,89,649 INR|High: ₹6,86,209 INR|Avg: ₹4,22,218 INR|-4.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 6₹2,89,649 INR
Retailer 5₹3,39,990 INR
Retailer 8₹3,54,736 INR
Retailer 4₹3,65,443 INR
Retailer 2₹3,67,509 INR
Retailer 9₹4,05,359 INR
Retailer 7₹4,19,165 INR
Retailer 3₹4,55,136 INR
MOH London₹6,55,793 INR

34 data points across 9 retailers

10 retailers₹2,89,649 INR to ₹6,55,793 INR

A
Cheapest Retailer
-
₹2,89,649 INR
A
Retailer 2
-
₹3,39,990 INR
View
A
Retailer 3
-
₹3,54,736 INR
View
A
Retailer 4
-
₹3,65,443 INR
View
A
Retailer 5
-
₹3,67,509 INR
View
A
Retailer 6
-
₹4,05,359 INR
View
Final sale: no returns
A
Retailer 7
-
₹4,19,165 INR
View
B+
Retailer 8
-
₹4,29,027 INR
View
B+
Retailer 9
-
₹4,55,136 INR
View
Most Expensive
B
MOH London
3EE8400D9 · Nov 2
₹6,55,793 INR
£5,498 GBP
View
9 more retailers have this diamond
Prices start from ₹2,89,649 INRSave up to ₹3,66,143 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
1.51ct Cushion
₹2,89,649 INR