Cushion|Lab Grown|IGI

4.78ct F VS1 Cushion Lab Grown Diamond

EX • F/VS1 • IGI LG819630337

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG819630337

Diamond specifications and retailer prices

From ₹66,342 INR
$699 USD
As of November 1, 2026
Save ₹25,531 INR (28%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: ₹2,12,124 INR at Brilliance · As of October 5, 2026
View at Brilliance

About this 4.78ct lab-grown cushion diamond

This 4.78ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG819630337 or 819630337. Listed at 3 retailers as of October 28, 2026, with a 38% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.78
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG819630337
Dimensions9.86 × 9.83 × 6.51 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.86 mm9.83 mm4.78 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG819630337
Side View
Table 63.0%Crown 34.4°Girdle: STK-THKPavilion 40.1°Culet: NoneDepth 66.2%

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: ₹2,12,124 INR|Low: ₹66,342 INR|High: ₹5,01,125 INR|Avg: ₹2,03,393 INR|-10.1%
Brilliance
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 27, 2026
Retailer 2₹66,342 INR
Retailer 4₹82,572 INR
Retailer 3₹91,873 INR
Retailer 5₹1,13,191 INR
Brilliance₹2,12,124 INR
Retailer 7₹2,60,371 INR
Retailer 6₹5,01,125 INR

9 data points across 7 retailers

3 retailers₹66,342 INR to ₹91,873 INR

A
Cheapest Retailer
-
₹66,342 INR
$699 USD
Final sale: no returns
B+
Retailer 2
-
₹91,873 INR
$968 USD
View
Most Expensive
Brilliance
D45376121 · Oct 5
₹2,12,124 INR
$2,235 USD
View
Price last confirmed 28 days ago
2 more retailers have this diamond
Prices start from ₹66,342 INRSave up to ₹25,531 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
4.78ct Cushion
₹66,342 INR