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Cushion|Lab Grown|IGI

4.51ct D VS1 Cushion Lab Grown Diamond

EX • D/VS1 • IGI LG726562220

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

Certificate IGI LG726562220

Diamond specifications and retailer prices

From ₹1,35,304 INR
$1,425 USD
As of October 31, 2026
Save ₹8,55,025 INR (86%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: ₹9,90,329 INR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 4.51ct lab-grown cushion diamond

This 4.51ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG726562220 or 726562220. Listed at 15 retailers as of October 31, 2026, with prices from ₹1,35,304 to ₹9,90,329, a ₹8,55,025 spread on the same certified stone. Brilliant Earth lists it at ₹9,90,329. 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

4.51
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.7°
Pavilion angle42.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG726562220
Dimensions9.73 × 9.49 × 6.46 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.73 mm9.49 mm4.51 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG726562220
Side View
Table 54.0%Crown 37.7°Girdle: THK-VTKPavilion 42.5°Culet: LargeDepth 68.1%

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: Oct 31
Current: ₹9,90,329 INR|Low: ₹1,35,304 INR|High: ₹10,20,713 INR|Avg: ₹3,46,624 INR|-3.0%
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
Retailer 15
November 1, 2026
Retailer 12₹1,35,304 INR
Retailer 3₹1,40,241 INR
Retailer 11₹1,56,668 INR
Retailer 4₹1,74,993 INR
Retailer 2₹1,97,683 INR
Retailer 15₹2,22,088 INR
Retailer 5₹2,49,149 INR
Retailer 9₹2,98,596 INR
Retailer 8₹3,00,564 INR
Retailer 6₹3,38,607 INR
Retailer 14₹4,02,493 INR
Retailer 13₹4,18,247 INR
Retailer 10₹4,53,164 INR
Retailer 7₹4,92,315 INR
Brilliant Earth₹9,90,329 INR

37 data points across 15 retailers

15 retailers₹1,35,304 INR to ₹9,90,329 INR

A
Cheapest Retailer
-
₹1,35,304 INR
$1,425 USD
Final sale: no returns
Retailer 2
-
₹1,40,241 INR
$1,477 USD
View
Price last confirmed 21 days ago
A
Retailer 3
-
₹1,56,668 INR
$1,650 USD
View
A
Retailer 4
-
₹1,74,993 INR
$1,843 USD
View
A
Retailer 5
-
₹1,97,683 INR
£1,639 GBP
View
B+
Retailer 6
-
₹2,22,088 INR
$2,339 USD
View
B+
Retailer 7
-
₹2,49,149 INR
$2,624 USD
View
B+
Retailer 8
-
₹2,98,596 INR
ZAR 50,804 ZAR
View
B+
Retailer 9
-
₹3,00,564 INR
A$4,870 AUD
View
B
Retailer 10
-
₹3,38,607 INR
£2,808 GBP
View
B
Retailer 11
-
₹4,02,493 INR
$4,239 USD
View
B
Retailer 12
-
₹4,18,247 INR
$4,405 USD
View
B
Retailer 13
-
₹4,53,164 INR
£3,758 GBP
View
B
Retailer 14
-
₹4,92,315 INR
$5,185 USD
View
Most Expensive
B
Brilliant Earth
20359331A · Oct 31
₹9,90,329 INR
$10,430 USD
View
14 more retailers have this diamond
Prices start from ₹1,35,304 INRSave up to ₹8,55,025 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
4.51ct Cushion
₹1,35,304 INR