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Cushion|Lab Grown|IGI

3.28ct D SI1 Cushion Lab Grown Diamond

ID • D/SI1 • IGI LG544280736

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG544280736

Diamond specifications and retailer prices

From ₹44,152 INR
$465 USD
As of October 29, 2026
Save ₹2,97,668 INR (87%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: ₹3,41,820 INR at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.28ct lab-grown cushion diamond

This 3.28ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG544280736 or 544280736. Listed at 13 retailers as of October 29, 2026, with prices from ₹44,152 to ₹3,41,820, a ₹2,97,668 spread on the same certified stone. Brilliant Earth lists it at ₹3,41,820. 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

3.28
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG544280736
Dimensions8.62 × 8.35 × 5.43 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizePointed
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
8.62 mm8.35 mm3.28 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG544280736
Side View
Table 65.0%Crown 36.3°Girdle: MED-VTKPavilion 37.3°Culet: NoneDepth 65.0%

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: Oct 29
Current: ₹3,41,820 INR|Low: ₹23,643 INR|High: ₹5,03,235 INR|Avg: ₹1,28,989 INR|-30.0%
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
October 31, 2026
Retailer 12₹44,152 INR
Retailer 8₹48,899 INR
Retailer 4₹53,476 INR
Retailer 10₹74,061 INR
Retailer 6₹77,194 INR
Retailer 2₹80,475 INR
Retailer 7₹85,640 INR
Retailer 5₹1,55,703 INR
Retailer 3₹1,60,386 INR
Retailer 11₹1,66,732 INR
Retailer 13₹1,78,534 INR
Retailer 9₹1,79,794 INR
Brilliant Earth₹3,41,820 INR

38 data points across 13 retailers

13 retailers₹44,152 INR to ₹3,41,820 INR

A
Cheapest Retailer
-
₹44,152 INR
$465 USD
Final sale: no returns
A
Retailer 2
-
₹48,899 INR
$515 USD
View
A
Retailer 3
-
₹53,476 INR
HK$4,400 HKD
View
A
Retailer 4
-
₹74,061 INR
$780 USD
View
B+
Retailer 5
-
₹77,194 INR
$813 USD
View
A
Retailer 6
-
₹80,475 INR
£667 GBP
View
A
Retailer 7
-
₹85,640 INR
€859 EUR
View
B+
Retailer 8
-
₹1,55,703 INR
SGD 2,216 SGD
View
B+
Retailer 9
-
₹1,60,386 INR
$1,689 USD
View
B+
Retailer 10
-
₹1,66,732 INR
$1,756 USD
View
B+
Retailer 11
-
₹1,78,534 INR
$1,880 USD
View
B+
Retailer 12
-
₹1,79,794 INR
£1,491 GBP
View
Most Expensive
B
Brilliant Earth
16422264A · Oct 30
₹3,41,820 INR
$3,600 USD
View
12 more retailers have this diamond
Prices start from ₹44,152 INRSave up to ₹2,97,668 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
3.28ct Cushion
₹44,152 INR