Radiant|Lab Grown|IGI

4.07ct E SI1 Radiant Lab Grown Diamond

EX • E/SI1 • IGI LG640439977

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

Certificate IGI LG640439977

Diamond specifications and retailer prices

From ₹40,463 INR

£336 GBP

As of October 28, 2026

Save ₹3,57,378 INR (90%) vs most expensive(unlock to see where)

17 retailers carry this diamond

Most expensive: ₹3,97,841 INR at Brilliant Earth · As of October 26, 2026

View at Brilliant Earth

About this 4.07ct lab-grown radiant diamond

This 4.07ct lab-grown radiant sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG640439977 or 640439977. Listed at 17 retailers as of October 26, 2026, with prices from ₹40,463 to ₹3,97,841, a ₹3,57,378 spread on the same certified stone. Brilliant Earth lists it at ₹3,97,841. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

4.07

Carat

Colour

SI1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle41.3°

Pavilion angle35.5°

OriginLab Grown

Grading LabIGI

CertificateIGI LG640439977

Dimensions11.22 × 7.94 × 5.37 mm

L/W Ratio1.41

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

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG640439977

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 28

Current: ₹3,97,841 INR|Low: ₹40,451 INR|High: ₹4,33,922 INR|Avg: ₹1,26,457 INR|-8.3%

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

October 28, 2026

Retailer 7₹40,463 INR

Retailer 3₹43,582 INR

Retailer 4₹47,570 INR

Retailer 8₹48,235 INR

Retailer 13₹73,112 INR

Retailer 14₹76,340 INR

Retailer 2₹78,800 INR

Retailer 12₹82,649 INR

Retailer 5₹88,019 INR

Retailer 6₹1,31,601 INR

Retailer 10₹1,35,209 INR

Retailer 9₹1,88,597 INR

Retailer 11₹2,36,426 INR

Brilliant Earth₹3,97,841 INR

36 data points across 14 retailers

17 retailers₹40,463 INR to ₹3,97,841 INR

Cheapest Retailer

₹40,463 INR

£336 GBP

Retailer 2

₹43,582 INR

$459 USD

View

Price last confirmed 32 days ago

Retailer 3

₹47,570 INR

$501 USD

View

Price last confirmed 33 days ago

Retailer 4

₹48,235 INR

$508 USD

View

Price last confirmed 18 days ago

Retailer 5

₹48,235 INR

$508 USD

View

Retailer 6

₹73,112 INR

$770 USD

View

B+

Retailer 7

₹76,340 INR

$804 USD

View

Retailer 8

₹78,800 INR

£653 GBP

View

Retailer 9

₹82,649 INR

€829 EUR

View

Retailer 10

₹88,019 INR

$927 USD

View

B+

Retailer 11

₹1,31,601 INR

$1,386 USD

View

B+

Retailer 12

₹1,35,209 INR

$1,424 USD

View

B+

Retailer 13

₹1,77,806 INR

£1,475 GBP

View

B+

Retailer 14

₹1,88,597 INR

£1,564 GBP

View

Retailer 15

₹2,36,426 INR

$2,490 USD

View

Retailer 16

₹2,37,375 INR

$2,500 USD

View

Price last confirmed 30 days ago

Most Expensive

Brilliant Earth

10979854A · Oct 26

₹3,97,841 INR

$4,190 USD

View

16 more retailers have this diamond

Prices start from ₹40,463 INRSave up to ₹3,57,378 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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