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Cushion|Lab Grown|IGI

1.28ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG786634100

Shape and cutting style on the report: Antique cushion cut

Certificate IGI LG786634100

Diamond specifications and retailer prices

From ₹30,096 INR
As of November 4, 2026
Save ₹1,19,341 INR (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: ₹1,98,318 INR at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.28ct lab-grown cushion diamond

This 1.28ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG786634100 or 786634100. Listed at 18 retailers as of November 3, 2026, with a 397% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786634100
Dimensions7.02 × 6.25 × 3.93 mm
L/W Ratio1.12
Girdle conditionFaceted
Culet sizeLarge
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.02 mm6.25 mm1.28 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786634100
Side View
Table 52.0%Crown 34.5°Girdle: Slightly ThickPavilion 41.1°Culet: LargeDepth 62.9%

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 4
Current: ₹91,706 INR|Low: ₹28,865 INR|High: ₹1,51,235 INR|Avg: ₹75,348 INR|+1.3%
Retailer 1
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
November 4, 2026
Retailer 11₹30,096 INR
Retailer 5₹33,692 INR
Retailer 4₹34,922 INR
Retailer 2₹37,288 INR
Retailer 13₹37,288 INR
Retailer 12₹50,159 INR
Retailer 9₹52,052 INR
Retailer 7₹65,869 INR
Retailer 1₹91,706 INR
Retailer 10₹1,09,404 INR
Retailer 3₹1,19,341 INR
Retailer 14₹1,19,909 INR
Retailer 6₹1,45,651 INR
Retailer 8₹1,49,437 INR

44 data points across 14 retailers

18 retailers₹30,096 INR to ₹1,49,437 INR

A
Cheapest Retailer
-
₹30,096 INR
A
Retailer 2
-
₹33,692 INR
View
Final sale: no returns
A
Retailer 3
-
₹34,922 INR
View
Retailer 4
-
₹37,288 INR
View
Price last confirmed 10 days ago
A
Retailer 5
-
₹37,288 INR
View
A
Retailer 6
-
₹50,159 INR
View
B+
Retailer 7
-
₹52,052 INR
View
B+
Retailer 8
-
₹52,336 INR
View
B+
Retailer 9
-
₹65,869 INR
View
B
Retailer 10
-
₹91,706 INR
View
B
Retailer 11
-
₹1,09,404 INR
View
B
Retailer 12
-
₹1,19,341 INR
View
B
Retailer 13
-
₹1,19,909 INR
View
B
Retailer 14
-
₹1,24,168 INR
View
B
Retailer 15
-
₹1,45,651 INR
View
B
Retailer 16
-
₹1,48,490 INR
View
B
Retailer 17
-
₹1,49,437 INR
View
Most Expensive
Queensmith
LG786634100 · Oct 27
₹1,98,318 INR
£1,650 GBP
View
Price last confirmed 8 days ago
17 more retailers have this diamond
Prices start from ₹30,096 INRSave up to ₹1,19,341 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
1.28ct Cushion
₹30,096 INR