Radiant|Lab Grown|IGI

2.78ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG717586153

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

Certificate IGI LG717586153

Diamond specifications and retailer prices

From ₹1,30,176 INR

$1,371 USD

As of October 30, 2026

Save ₹8,29,768 INR (86%) vs most expensive(unlock to see where)

27 retailers carry this diamond

Most expensive: ₹9,90,329 INR at Brilliant Earth · As of September 28, 2026

View at Brilliant Earth

About this 2.78ct lab-grown radiant diamond

This 2.78ct lab-grown radiant sits in the two to three carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG717586153 or 717586153. Listed at 27 retailers as of October 29, 2026, with a 637% 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

2.78

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle39.7°

Pavilion angle34.6°

OriginLab Grown

Grading LabIGI

CertificateIGI LG717586153

Dimensions9.77 × 6.99 × 4.71 mm

L/W Ratio1.40

Culet sizePointed

Cert comments

This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG717586153

Side View

Caratlytics Score

How it works →

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 30

Current: ₹9,59,945 INR|Low: ₹1,30,176 INR|High: ₹9,59,945 INR|Avg: ₹3,29,418 INR|+0.1%

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

Retailer 17

Retailer 18

Retailer 19

Retailer 20

October 31, 2026

Retailer 3₹1,30,176 INR

Retailer 9₹1,50,971 INR

Retailer 20₹1,50,971 INR

Retailer 4₹1,57,997 INR

Retailer 18₹1,67,112 INR

Retailer 13₹2,11,188 INR

Retailer 15₹2,16,011 INR

Retailer 2₹2,35,984 INR

Retailer 6₹2,51,902 INR

Retailer 5₹2,82,951 INR

Retailer 11₹2,98,998 INR

Retailer 16₹3,59,011 INR

Retailer 10₹3,64,654 INR

Retailer 14₹3,89,508 INR

Retailer 7₹4,06,861 INR

Retailer 19₹4,35,170 INR

Retailer 8₹4,68,038 INR

Retailer 17₹4,87,652 INR

Retailer 12₹5,30,723 INR

Brilliant Earth₹9,59,945 INR

33 data points across 20 retailers

27 retailers₹1,30,176 INR to ₹9,59,945 INR

Cheapest Retailer

₹1,30,176 INR

$1,371 USD

Retailer 2

₹1,50,971 INR

$1,590 USD

View

Retailer 3

₹1,50,971 INR

$1,590 USD

View

Price last confirmed 18 days ago

Retailer 4

₹1,57,997 INR

$1,664 USD

View

Final sale: no returns

Retailer 5

₹1,59,421 INR

$1,679 USD

View

Price last confirmed 34 days ago

Retailer 6

₹1,67,112 INR

$1,760 USD

View

Retailer 7

₹1,67,682 INR

$1,766 USD

View

Price last confirmed 32 days ago

Retailer 8

₹2,11,188 INR

£1,751 GBP

View

Retailer 9

₹2,16,011 INR

$2,275 USD

View

Retailer 10

₹2,35,984 INR

€2,367 EUR

View

Retailer 11

₹2,51,902 INR

$2,653 USD

View

Retailer 12

₹2,82,951 INR

$2,980 USD

View

Retailer 13

₹2,98,998 INR

$3,149 USD

View

Retailer 14

₹3,08,588 INR

$3,250 USD

View

Price last confirmed 32 days ago

Retailer 15

₹3,59,011 INR

A$5,817 AUD

View

Price last confirmed 9 days ago

B+

Retailer 16

₹3,64,654 INR

£3,024 GBP

View

B+

Retailer 17

₹3,89,508 INR

ZAR 66,272 ZAR

View

B+

Retailer 18

₹4,06,861 INR

$4,285 USD

View

B+

Retailer 19

₹4,07,146 INR

$4,288 USD

View

Retailer 20

₹4,35,170 INR

A$7,051 AUD

View

Price last confirmed 22 days ago

B+

Retailer 21

₹4,68,038 INR

$4,929 USD

View

B+

Retailer 22

₹4,87,652 INR

£4,044 GBP

View

B+

Retailer 23

₹5,30,723 INR

$5,590 USD

View

Retailer 24

₹5,54,033 INR

$5,835 USD

View

Price last confirmed 33 days ago

Retailer 25

₹5,70,514 INR

$6,009 USD

View

Price last confirmed 52 days ago

Retailer 26

₹9,59,945 INR

$10,110 USD

View

Most Expensive

Brilliant Earth

21576897A · Sep 28

₹9,90,329 INR

$10,430 USD

View

Price last confirmed 32 days ago

26 more retailers have this diamond

Prices start from ₹1,30,176 INRSave up to ₹8,29,768 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.

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