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Cushion|Lab Grown|IGI

4.50ct F SI1 Cushion Lab Grown Diamond

ID • F/SI1 • IGI LG778683718

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG778683718

Diamond specifications and retailer prices

From ₹93,961 INR
$990 USD
As of November 2, 2026
Save ₹4,34,973 INR (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: ₹5,28,933 INR at Mervis Diamond Importers · As of November 2, 2026
View at Mervis Diamond Importers

About this 4.5ct lab-grown cushion diamond

This 4.5ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG778683718 or 778683718. Listed at 11 retailers as of November 2, 2026, with prices from ₹93,961 to ₹5,28,933, a ₹4,34,973 spread on the same certified stone. Mervis Diamond Importers lists it at ₹5,28,933. 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

4.50
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle34.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778683718
Dimensions12.18 × 8.64 × 5.48 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.18 mm8.64 mm4.50 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778683718
Side View
Table 60.0%Crown 33.4°Girdle: MED-STKPavilion 34.5°Culet: NoneDepth 63.4%

Caratlytics Score

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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 2
Current: ₹5,28,933 INR|Low: ₹77,352 INR|High: ₹5,74,680 INR|Avg: ₹2,11,678 INR|-8.0%
Mervis Diamond Importers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 10₹77,352 INR
Retailer 5₹93,961 INR
Retailer 9₹1,09,147 INR
Retailer 6₹1,18,448 INR
Retailer 11₹1,18,638 INR
Retailer 2₹1,30,818 INR
Retailer 3₹2,06,714 INR
Retailer 8₹2,72,866 INR
Retailer 7₹3,02,195 INR
Retailer 4₹3,19,902 INR
Mervis Diamond Importers₹5,28,933 INR

41 data points across 11 retailers

11 retailers₹93,961 INR to ₹5,28,933 INR

Retailer 1
-
₹77,352 INR
$815 USD
Price last confirmed 21 days ago
A
Retailer 2
-
₹93,961 INR
$990 USD
View
Retailer 3
-
₹1,09,147 INR
$1,150 USD
View
Price last confirmed 12 days ago
A
Retailer 4
-
₹1,18,448 INR
$1,248 USD
View
A
Retailer 5
-
₹1,18,638 INR
$1,250 USD
View
A
Retailer 6
-
₹1,30,818 INR
£1,085 GBP
View
B+
Retailer 7
-
₹2,06,714 INR
$2,178 USD
View
Retailer 8
-
₹2,72,866 INR
$2,875 USD
View
Price last confirmed 14 days ago
B
Retailer 9
-
₹3,02,195 INR
$3,184 USD
View
B
Retailer 10
-
₹3,19,902 INR
£2,654 GBP
View
Most Expensive
B
Mervis Diamond Importers
1985410031 · Nov 2
₹5,28,933 INR
$5,573 USD
View
10 more retailers have this diamond
Prices start from ₹93,961 INRSave up to ₹4,34,973 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
4.50ct Cushion
₹93,961 INR