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Cushion|Lab Grown|IGI

1.63ct D SI1 Cushion Lab Grown Diamond

ID • D/SI1 • IGI LG494183935

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG494183935

Diamond specifications and retailer prices

From ₹21,329 INR
$224 USD
As of October 28, 2026
Save ₹1,18,644 INR (85%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: ₹1,39,973 INR at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.63ct lab-grown cushion diamond

This 1.63ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG494183935 or 494183935. Listed at 13 retailers as of October 28, 2026, with prices from ₹21,329 to ₹1,39,973, a ₹1,18,644 spread on the same certified stone. Brilliant Earth lists it at ₹1,39,973. 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

1.63
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.1°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG494183935
Dimensions6.72 × 6.52 × 4.41 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizePointed
Top View
6.72 mm6.52 mm1.63 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG494183935
Side View
Table 59.0%Crown 32.1°Girdle: THN-STKPavilion 34.9°Culet: NoneDepth 67.6%

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: Oct 28
Current: ₹1,39,973 INR|Low: ₹12,546 INR|High: ₹1,49,495 INR|Avg: ₹65,033 INR|-6.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 29, 2026
Retailer 5₹12,546 INR
Retailer 13₹21,329 INR
Retailer 11₹23,615 INR
Retailer 7₹31,899 INR
Retailer 2₹38,893 INR
Retailer 14₹47,804 INR
Retailer 3₹53,228 INR
Retailer 12₹55,704 INR
Retailer 10₹60,465 INR
Retailer 6₹81,112 INR
Retailer 9₹99,505 INR
Retailer 8₹1,10,771 INR
Retailer 4₹1,13,741 INR
Brilliant Earth₹1,39,973 INR

26 data points across 14 retailers

13 retailers₹21,329 INR to ₹1,39,973 INR

A
Cheapest Retailer
-
₹21,329 INR
$224 USD
Final sale: no returns
A
Retailer 2
-
₹23,615 INR
$248 USD
View
B+
Retailer 3
-
₹31,899 INR
$335 USD
View
A
Retailer 4
-
₹38,893 INR
€389 EUR
View
A
Retailer 5
-
₹47,804 INR
$502 USD
View
A
Retailer 6
-
₹53,228 INR
$559 USD
View
A
Retailer 7
-
₹55,704 INR
$585 USD
View
B+
Retailer 8
-
₹60,465 INR
$635 USD
View
B+
Retailer 9
-
₹81,112 INR
$852 USD
View
B
Retailer 10
-
₹99,505 INR
$1,045 USD
View
Price last confirmed 8 days ago
B
Retailer 11
-
₹1,10,771 INR
£916 GBP
View
B
Retailer 12
-
₹1,13,741 INR
$1,195 USD
View
Most Expensive
B
Brilliant Earth
9518221A · Oct 28
₹1,39,973 INR
$1,470 USD
View
12 more retailers have this diamond
Prices start from ₹21,329 INRSave up to ₹1,18,644 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
1.63ct Cushion
₹21,329 INR