Radiant|Lab Grown|IGI

1.21ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG735580809

Shape and cutting style on the report: Cut cornered rectangular mixed cut

Certificate IGI LG735580809

Diamond specifications and retailer prices

From ₹27,730 INR
As of November 4, 2026
Save ₹1,13,189 INR (80%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: ₹1,81,709 INR at Rare Carat · As of September 28, 2026
View at Rare Carat

About this 1.21ct lab-grown radiant diamond

This 1.21ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG735580809 or 735580809. Listed at 20 retailers as of November 4, 2026, with a 408% 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

1.21
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle25.5°
Pavilion angle33.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG735580809
Dimensions7.65 × 4.90 × 3.18 mm
L/W Ratio1.56
Culet sizeLong
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.65 mm4.90 mm1.21 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG735580809
Side View
Table 60.0%Crown 25.5°Girdle: MED-STKPavilion 33.4°Culet: LNGDepth 64.9%

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: ₹1,81,709 INR|Low: ₹26,594 INR|High: ₹1,81,709 INR|Avg: ₹71,063 INR
Rare Carat
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 5, 2026
Retailer 15₹27,730 INR
Retailer 7₹31,042 INR
Retailer 5₹32,178 INR
Retailer 3₹34,354 INR
Retailer 6₹34,354 INR
Retailer 14₹47,793 INR
Retailer 13₹49,213 INR
Retailer 11₹55,364 INR
Retailer 10₹59,245 INR
Retailer 2₹60,191 INR
Retailer 9₹92,179 INR
Retailer 4₹1,10,445 INR
Retailer 12₹1,14,988 INR
Retailer 8₹1,37,323 INR
Rare Carat₹1,81,709 INR

45 data points across 15 retailers

20 retailers₹27,730 INR to ₹1,40,919 INR

A
Cheapest Retailer
-
₹27,730 INR
A
Retailer 2
-
₹31,042 INR
View
Final sale: no returns
A
Retailer 3
-
₹32,178 INR
View
Retailer 4
-
₹34,354 INR
View
Price last confirmed 11 days ago
A
Retailer 5
-
₹34,354 INR
View
A
Retailer 6
-
₹47,793 INR
View
A
Retailer 7
-
₹49,213 INR
View
A
Retailer 8
-
₹55,364 INR
View
A
Retailer 9
-
₹59,245 INR
View
A
Retailer 10
-
₹59,245 INR
View
A
Retailer 11
-
₹60,191 INR
View
B+
Retailer 12
-
₹92,179 INR
View
B
Retailer 13
-
₹1,10,445 INR
View
B+
Retailer 14
-
₹1,14,988 INR
View
B
Retailer 15
-
₹1,14,988 INR
View
B
Retailer 16
-
₹1,26,723 INR
View
B
Retailer 17
-
₹1,34,105 INR
View
B
Retailer 18
-
₹1,37,323 INR
View
B
Retailer 19
-
₹1,40,919 INR
View
Most Expensive
Rare Carat
91965A_l_735580809 · Sep 28
₹1,81,709 INR
$1,920 USD
View
Price last confirmed 37 days ago
19 more retailers have this diamond
Prices start from ₹27,730 INRSave up to ₹1,13,189 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
1.21ct Radiant
₹27,730 INR