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Radiant|Lab Grown|IGI

1.21ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG780696509

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

Certificate IGI LG780696509

Diamond specifications and retailer prices

From ₹22,146 INR
As of November 4, 2026
Save ₹1,64,295 INR (88%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: ₹1,86,441 INR at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

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 LG780696509 or 780696509. Listed at 21 retailers as of November 4, 2026, with prices from ₹22,146 to ₹1,86,441, a ₹1,64,295 spread on the same certified stone. Brilliant Earth lists it at ₹1,86,441. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle28°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780696509
Dimensions7.62 × 5.24 × 3.48 mm
L/W Ratio1.45
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
7.62 mm5.24 mm1.21 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780696509
Side View
Table 62.0%Crown 28°Girdle: MediumPavilion 35.5°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: Nov 4
Current: ₹1,86,441 INR|Low: ₹21,199 INR|High: ₹2,32,814 INR|Avg: ₹66,944 INR|-19.9%
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
Retailer 16
November 5, 2026
Retailer 15₹22,146 INR
Retailer 8₹24,606 INR
Retailer 5₹25,647 INR
Retailer 6₹27,446 INR
Retailer 16₹27,446 INR
Retailer 12₹45,522 INR
Retailer 4₹46,468 INR
Retailer 10₹47,320 INR
Retailer 7₹50,065 INR
Retailer 2₹51,200 INR
Retailer 9₹67,100 INR
Retailer 3₹88,110 INR
Retailer 14₹88,394 INR
Retailer 11₹1,09,782 INR
Retailer 13₹1,74,611 INR
Brilliant Earth₹1,86,441 INR

45 data points across 16 retailers

21 retailers₹22,146 INR to ₹1,86,441 INR

A
Cheapest Retailer
-
₹22,146 INR
A
Retailer 2
-
₹24,606 INR
View
Final sale: no returns
A
Retailer 3
-
₹25,647 INR
View
Retailer 4
-
₹27,446 INR
View
Price last confirmed 11 days ago
A
Retailer 5
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₹27,446 INR
View
A
Retailer 6
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₹30,285 INR
View
A
Retailer 7
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₹45,522 INR
View
A
Retailer 8
-
₹46,468 INR
View
A
Retailer 9
-
₹47,320 INR
View
A
Retailer 10
-
₹50,065 INR
View
A
Retailer 11
-
₹51,200 INR
View
A
Retailer 12
-
₹67,100 INR
View
B+
Retailer 13
-
₹72,210 INR
View
B+
Retailer 14
-
₹88,110 INR
View
B+
Retailer 15
-
₹88,394 INR
View
B+
Retailer 16
-
₹88,583 INR
View
B+
Retailer 17
-
₹93,031 INR
View
B+
Retailer 18
-
₹1,09,782 INR
View
B
Retailer 19
-
₹1,23,032 INR
View
Retailer 20
-
₹1,74,611 INR
View
Price last confirmed 18 days ago
Most Expensive
B
Brilliant Earth
19340393A · Nov 4
₹1,86,441 INR
$1,970 USD
View
20 more retailers have this diamond
Prices start from ₹22,146 INRSave up to ₹1,64,295 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
₹22,146 INR