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Cushion|Natural|GIA

1.80ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 1232955452

Certificate GIA 1232955452

Diamond specifications and retailer prices

From ₹2,28,413 INR
As of November 6, 2026
Save ₹2,88,301 INR (56%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: ₹5,16,714 INR at MOH London · As of November 4, 2026
View at MOH London

About this 1.8ct natural cushion diamond

This 1.8ct natural cushion sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1232955452. Listed at 8 retailers as of November 4, 2026, with prices from ₹2,28,413 to ₹5,16,714, a ₹2,88,301 spread on the same certified stone. MOH London lists it at ₹5,16,714. 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

1.80
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Pavilion angle35.99°
OriginNatural
Grading LabGIA
CertificateGIA 1232955452
Dimensions8.05 × 6.31 × 4.33 mm
L/W Ratio1.28
Key to symbols
Crystal, Feather, Cavity, Needle
Top View
8.05 mm6.31 mm1.80 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1232955452
Side View
Table 62.0%CrownGirdle: STK-VTKPavilion 35.99°Culet: NoneDepth 68.6%

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: ₹5,16,714 INR|Low: ₹2,28,413 INR|High: ₹5,75,518 INR|Avg: ₹3,51,681 INR|-10.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 5₹2,28,413 INR
Retailer 7₹2,85,047 INR
Retailer 2₹3,00,544 INR
Retailer 4₹3,18,013 INR
Retailer 6₹3,34,731 INR
Retailer 8₹3,41,117 INR
Retailer 3₹3,69,575 INR
MOH London₹5,16,714 INR

39 data points across 8 retailers

8 retailers₹2,28,413 INR to ₹5,16,714 INR

A
Cheapest Retailer
-
₹2,28,413 INR
A
Retailer 2
-
₹2,85,047 INR
View
A
Retailer 3
-
₹3,00,544 INR
View
A
Retailer 4
-
₹3,18,013 INR
View
A
Retailer 5
-
₹3,34,731 INR
View
B+
Retailer 6
-
₹3,41,117 INR
View
A
Retailer 7
-
₹3,69,575 INR
View
Most Expensive
B
MOH London
CA5457909 · Nov 4
₹5,16,714 INR
£4,332 GBP
View
7 more retailers have this diamond
Prices start from ₹2,28,413 INRSave up to ₹2,88,301 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
1.80ct Cushion
₹2,28,413 INR