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Radiant|Lab Grown|IGI

3.91ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG728501454

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG728501454

Diamond specifications and retailer prices

From ₹1,21,536 INR
$1,280 USD
As of October 29, 2026
Save ₹2,85,202 INR (70%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: ₹5,71,580 INR at Queensmith · As of October 16, 2026
View at Queensmith

About this 3.91ct lab-grown radiant diamond

This 3.91ct lab-grown radiant 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 LG728501454 or 728501454. Listed at 16 retailers as of October 29, 2026, with a 235% 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

3.91
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.7°
Pavilion angle34.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG728501454
Dimensions11.21 × 11.21 × 7.70 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.21 mm11.21 mm3.91 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG728501454
Side View
Table 65.0%Crown 45.7°Girdle: MediumPavilion 34.5°Culet: NoneDepth 66.4%

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: Oct 29
Current: ₹2,48,104 INR|Low: ₹1,20,587 INR|High: ₹4,10,356 INR|Avg: ₹2,50,642 INR|+1.1%
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
October 31, 2026
Retailer 13₹1,21,536 INR
Retailer 4₹1,25,904 INR
Retailer 9₹1,42,425 INR
Retailer 8₹2,00,155 INR
Retailer 11₹2,13,258 INR
Retailer 3₹2,36,046 INR
Retailer 1₹2,48,104 INR
Retailer 5₹2,70,199 INR
Retailer 2₹2,84,147 INR
Retailer 6₹2,92,418 INR
Retailer 10₹3,47,289 INR
Retailer 12₹3,64,608 INR
Retailer 7₹4,06,738 INR

35 data points across 13 retailers

16 retailers₹1,21,536 INR to ₹4,06,738 INR

Retailer 1
-
₹1,08,528 INR
$1,143 USD
Price last confirmed 9 days ago
Retailer 2
-
₹1,18,118 INR
$1,244 USD
View
Price last confirmed 10 days ago
A
Retailer 3
-
₹1,21,536 INR
$1,280 USD
View
Final sale: no returns
Retailer 4
-
₹1,25,904 INR
$1,326 USD
View
Price last confirmed 11 days ago
A
Retailer 5
-
₹1,42,425 INR
$1,500 USD
View
B+
Retailer 6
-
₹2,00,155 INR
$2,108 USD
View
B+
Retailer 7
-
₹2,13,258 INR
$2,246 USD
View
Retailer 8
-
₹2,36,046 INR
$2,486 USD
View
Price last confirmed 11 days ago
B+
Retailer 9
-
₹2,48,104 INR
$2,613 USD
View
Retailer 10
-
₹2,70,199 INR
A$4,378 AUD
View
Price last confirmed 22 days ago
Retailer 11
-
₹2,84,147 INR
A$4,604 AUD
View
Price last confirmed 9 days ago
B+
Retailer 12
-
₹2,92,418 INR
ZAR 49,753 ZAR
View
B
Retailer 13
-
₹3,47,289 INR
£2,880 GBP
View
B
Retailer 14
-
₹3,64,608 INR
$3,840 USD
View
B
Retailer 15
-
₹4,06,738 INR
£3,373 GBP
View
Most Expensive
Queensmith
LG728501454 · Oct 16
₹5,71,580 INR
£4,740 GBP
View
Price last confirmed 14 days ago
15 more retailers have this diamond
Prices start from ₹1,21,536 INRSave up to ₹2,85,202 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
3.91ct Radiant
₹1,21,536 INR