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Cushion|Lab Grown|IGI

1.80ct I SI1 Cushion Lab Grown Diamond

ID • I/SI1 • IGI LG436045240

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG436045240

Diamond specifications and retailer prices

From ₹41,968 INR
$442 USD
As of November 1, 2026
Save ₹1,40,359 INR (77%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: ₹1,82,327 INR at MOH London · As of November 1, 2026
View at MOH London

About this 1.8ct lab-grown cushion diamond

This 1.8ct lab-grown cushion sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436045240 or 436045240. Listed at 9 retailers as of November 1, 2026, with prices from ₹41,968 to ₹1,82,327, a ₹1,40,359 spread on the same certified stone. MOH London lists it at ₹1,82,327. 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
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436045240
Dimensions7.06 × 7.00 × 4.66 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.06 mm7.00 mm1.80 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436045240
Side View
Table 63.5%Crown 35.1°Girdle: STK-VTKPavilion 40.7°Culet: NoneDepth 66.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: ₹1,82,327 INR|Low: ₹41,113 INR|High: ₹1,84,497 INR|Avg: ₹81,857 INR|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 8₹41,968 INR
Retailer 5₹46,620 INR
Retailer 6₹53,362 INR
Retailer 3₹53,647 INR
Retailer 2₹62,311 INR
Retailer 7₹70,833 INR
Retailer 4₹73,966 INR
Retailer 9₹1,53,421 INR
MOH London₹1,82,327 INR

39 data points across 9 retailers

9 retailers₹41,968 INR to ₹1,82,327 INR

A
Cheapest Retailer
-
₹41,968 INR
$442 USD
Final sale: no returns
Retailer 2
-
₹46,620 INR
$491 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
₹53,362 INR
$562 USD
View
A
Retailer 4
-
₹53,647 INR
$565 USD
View
A
Retailer 5
-
₹62,311 INR
£517 GBP
View
B+
Retailer 6
-
₹70,833 INR
$746 USD
View
B+
Retailer 7
-
₹73,966 INR
$779 USD
View
B
Retailer 8
-
₹1,53,421 INR
$1,616 USD
View
Most Expensive
B
MOH London
LG436045240 · Nov 1
₹1,82,327 INR
£1,512 GBP
View
8 more retailers have this diamond
Prices start from ₹41,968 INRSave up to ₹1,40,359 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
₹41,968 INR