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Cushion|Natural|GIA

1.80ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 6545639504

Certificate GIA 6545639504

Diamond specifications and retailer prices

From ₹4,78,053 INR
As of November 5, 2026
Save ₹3,17,653 INR (40%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: ₹7,95,706 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 6545639504. Listed at 6 retailers as of November 4, 2026, with prices from ₹4,78,053 to ₹7,95,706, a ₹3,17,653 spread on the same certified stone. MOH London lists it at ₹7,95,706. 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
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6545639504
Dimensions7.80 × 6.01 × 4.26 mm
L/W Ratio1.30
Top View
7.80 mm6.01 mm1.80 ctK / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6545639504
Side View
Table 59.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 70.8%

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: ₹7,95,706 INR|Low: ₹4,20,762 INR|High: ₹8,07,395 INR|Avg: ₹5,50,713 INR|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 7₹4,28,087 INR
Retailer 6₹4,78,053 INR
Retailer 4₹4,84,252 INR
Retailer 5₹5,00,875 INR
Retailer 2₹5,63,614 INR
Retailer 3₹6,11,137 INR
MOH London₹7,95,706 INR

43 data points across 7 retailers

6 retailers₹4,78,053 INR to ₹7,95,706 INR

B+
Cheapest Retailer
-
₹4,78,053 INR
B+
Retailer 2
-
₹4,84,252 INR
View
Retailer 3
-
₹5,00,875 INR
View
Price last confirmed 8 days ago
B
Retailer 4
-
₹5,63,614 INR
View
B
Retailer 5
-
₹6,11,137 INR
View
Most Expensive
B
MOH London
1EB498011 · Nov 4
₹7,95,706 INR
£6,671 GBP
View
5 more retailers have this diamond
Prices start from ₹4,78,053 INRSave up to ₹3,17,653 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+
1.80ct Cushion
₹4,78,053 INR