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Radiant|Lab Grown|IGI

1.55ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG743509309

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

Certificate IGI LG743509309

Diamond specifications and retailer prices

From ₹29,812 INR
As of November 4, 2026
Save ₹2,46,537 INR (89%) vs most expensive(unlock to see where)
31 retailers carry this diamond
Most expensive: ₹2,76,349 INR at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.55ct lab-grown radiant diamond

This 1.55ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG743509309 or 743509309. Listed at 31 retailers as of November 4, 2026, with prices from ₹29,812 to ₹2,76,349, a ₹2,46,537 spread on the same certified stone. Brilliant Earth lists it at ₹2,76,349. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.5°
Pavilion angle32.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743509309
Dimensions8.16 × 5.85 × 3.74 mm
L/W Ratio1.39
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
8.16 mm5.85 mm1.55 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG743509309
Side View
Table 65.0%Crown 42.5°Girdle: MED-STKPavilion 32.7°Culet: NoneDepth 63.9%

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: ₹2,76,349 INR|Low: ₹29,812 INR|High: ₹3,95,595 INR|Avg: ₹1,12,131 INR|-30.1%
Brilliant Earth
Retailer 2
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Retailer 16
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Retailer 18
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Retailer 22
November 5, 2026
Retailer 18₹29,812 INR
Retailer 19₹33,408 INR
Retailer 17₹42,399 INR
Retailer 16₹51,579 INR
Retailer 21₹52,052 INR
Retailer 6₹60,191 INR
Retailer 15₹62,936 INR
Retailer 2₹65,207 INR
Retailer 11₹66,343 INR
Retailer 9₹83,189 INR
Retailer 5₹86,785 INR
Retailer 14₹1,00,981 INR
Retailer 22₹1,08,457 INR
Retailer 20₹1,18,868 INR
Retailer 7₹1,22,937 INR
Retailer 10₹1,23,127 INR
Retailer 4₹1,23,789 INR
Retailer 8₹1,42,149 INR
Retailer 3₹1,47,638 INR
Retailer 13₹1,47,638 INR
Retailer 12₹2,43,698 INR
Brilliant Earth₹2,76,349 INR

34 data points across 22 retailers

31 retailers₹29,812 INR to ₹2,76,349 INR

A
Cheapest Retailer
-
₹29,812 INR
Retailer 2
-
₹31,042 INR
View
Price last confirmed 28 days ago
Retailer 3
-
₹33,029 INR
View
Price last confirmed 36 days ago
A
Retailer 4
-
₹33,408 INR
View
Final sale: no returns
Retailer 5
-
₹38,329 INR
View
Price last confirmed 39 days ago
Retailer 6
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₹38,518 INR
View
Price last confirmed 33 days ago
Retailer 7
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₹40,411 INR
View
Price last confirmed 39 days ago
Retailer 8
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₹40,411 INR
View
Price last confirmed 36 days ago
A
Retailer 9
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₹42,399 INR
View
A
Retailer 10
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₹51,579 INR
View
A
Retailer 11
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₹52,052 INR
View
A
Retailer 12
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₹60,191 INR
View
A
Retailer 13
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₹62,936 INR
View
A
Retailer 14
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₹65,207 INR
View
A
Retailer 15
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₹66,343 INR
View
A
Retailer 16
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₹83,189 INR
View
A
Retailer 17
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₹86,785 INR
View
B+
Retailer 18
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₹1,00,981 INR
View
B+
Retailer 19
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₹1,08,457 INR
View
B+
Retailer 20
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₹1,18,868 INR
View
B+
Retailer 21
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₹1,22,937 INR
View
B+
Retailer 22
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₹1,23,127 INR
View
Retailer 23
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₹1,23,789 INR
View
Price last confirmed 26 days ago
B+
Retailer 24
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₹1,23,789 INR
View
Retailer 25
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₹1,31,644 INR
View
Price last confirmed 36 days ago
B+
Retailer 26
-
₹1,42,149 INR
View
B+
Retailer 27
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₹1,47,638 INR
View
B+
Retailer 28
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₹1,47,638 INR
View
Retailer 29
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₹1,59,658 INR
View
Price last confirmed 34 days ago
Retailer 30
-
₹2,43,698 INR
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
16656137A · Nov 4
₹2,76,349 INR
$2,920 USD
View
30 more retailers have this diamond
Prices start from ₹29,812 INRSave up to ₹2,46,537 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
1.55ct Radiant
₹29,812 INR