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Cushion|Natural|GIA

1.00ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 1437577148

Certificate GIA 1437577148

Diamond specifications and retailer prices

From ₹1,56,377 INR
As of November 5, 2026
Save ₹1,86,429 INR (54%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: ₹3,42,806 INR at MOH London · As of November 4, 2026
View at MOH London

About this 1ct natural cushion diamond

This 1ct natural cushion sits in the classic one-carat band, graded J 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 1437577148. Listed at 19 retailers as of November 4, 2026, with prices from ₹1,56,377 to ₹3,42,806, a ₹1,86,429 spread on the same certified stone. MOH London lists it at ₹3,42,806. 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

1.00
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1437577148
Dimensions6.29 × 5.26 × 3.55 mm
L/W Ratio1.20
Culet sizeNone
Key to symbols
Feather, Crystal, Knot, Cavity, Indented Natural, Needle, Natural
Top View
6.29 mm5.26 mm1.00 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1437577148
Side View
Table 63.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 67.6%

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 5
Current: ₹3,42,806 INR|Low: ₹1,51,869 INR|High: ₹3,45,550 INR|Avg: ₹2,14,336 INR|-0.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 5₹1,56,940 INR
Retailer 7₹1,64,078 INR
Retailer 9₹1,65,769 INR
Retailer 6₹1,77,697 INR
Retailer 2₹1,90,282 INR
Retailer 4₹2,39,402 INR
Retailer 8₹2,41,844 INR
Retailer 3₹2,66,451 INR
MOH London₹3,42,806 INR

38 data points across 9 retailers

19 retailers₹1,56,377 INR to ₹3,42,806 INR

B+
Cheapest Retailer
-
₹1,56,377 INR
B+
Retailer 2
-
₹1,56,940 INR
View
B+
Retailer 3
-
₹1,62,012 INR
View
B+
Retailer 4
-
₹1,64,078 INR
View
Final sale: no returns
Retailer 5
-
₹1,65,769 INR
View
Price last confirmed 10 days ago
B+
Retailer 6
-
₹1,66,238 INR
View
B+
Retailer 7
-
₹1,66,238 INR
View
B+
Retailer 8
-
₹1,71,498 INR
View
B+
Retailer 9
-
₹1,71,874 INR
View
Retailer 10
-
₹1,77,697 INR
View
Price last confirmed 9 days ago
B
Retailer 11
-
₹1,82,205 INR
View
B
Retailer 12
-
₹1,83,801 INR
View
B+
Retailer 13
-
₹1,90,282 INR
View
B
Retailer 14
-
₹2,09,723 INR
View
B
Retailer 15
-
₹2,14,983 INR
View
B
Retailer 16
-
₹2,39,402 INR
View
Retailer 17
-
₹2,41,844 INR
View
Price last confirmed 33 days ago
B
Retailer 18
-
₹2,66,451 INR
View
Most Expensive
B
MOH London
C3CD0076E · Nov 4
₹3,42,806 INR
£2,874 GBP
View
18 more retailers have this diamond
Prices start from ₹1,56,377 INRSave up to ₹1,86,429 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+
1.00ct Cushion
₹1,56,377 INR