Radiant|Lab Grown|IGI

1.78ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG780619896

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

Certificate IGI LG780619896

Diamond specifications and retailer prices

From ₹18,982 INR

$200 USD

As of November 1, 2026

Save ₹1,44,263 INR (88%) vs most expensive(unlock to see where)

15 retailers carry this diamond

Most expensive: ₹1,63,245 INR at Do Amore Diamonds · As of November 2, 2026

View at Do Amore Diamonds

About this 1.78ct lab-grown radiant diamond

This 1.78ct lab-grown radiant sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG780619896 or 780619896. Listed at 15 retailers as of November 1, 2026, with prices from ₹18,982 to ₹1,63,245, a ₹1,44,263 spread on the same certified stone. Do Amore Diamonds lists it at ₹1,63,245. 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

1.78

Carat

Colour

SI1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle37.6°

Pavilion angle37°

OriginLab Grown

Grading LabIGI

CertificateIGI LG780619896

Dimensions8.34 × 6.27 × 4.19 mm

L/W Ratio1.33

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

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG780619896

Side View

Caratlytics Score

How it works →

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 1

Current: ₹1,63,245 INR|Low: ₹17,653 INR|High: ₹1,69,889 INR|Avg: ₹74,291 INR|+4.2%

Do Amore Diamonds

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

November 2, 2026

Retailer 8₹18,982 INR

Retailer 11₹25,003 INR

Retailer 7₹28,758 INR

Retailer 5₹38,467 INR

Retailer 10₹46,696 INR

Retailer 2₹60,458 INR

Retailer 9₹75,307 INR

Retailer 3₹1,04,401 INR

Retailer 4₹1,08,603 INR

Retailer 6₹1,11,045 INR

Do Amore Diamonds₹1,63,245 INR

26 data points across 11 retailers

15 retailers₹18,982 INR to ₹1,63,245 INR

Retailer 1

₹16,989 INR

$179 USD

Price last confirmed 31 days ago

Retailer 2

₹18,982 INR

$200 USD

View

Final sale: no returns

Retailer 3

₹19,931 INR

$210 USD

View

Price last confirmed 36 days ago

Retailer 4

₹25,003 INR

$263 USD

View

B+

Retailer 5

₹28,758 INR

$303 USD

View

Retailer 6

₹38,467 INR

€386 EUR

View

Retailer 7

₹46,696 INR

$492 USD

View

Retailer 8

₹60,458 INR

$637 USD

View

B+

Retailer 9

₹75,307 INR

$793 USD

View

Retailer 10

₹77,731 INR

$819 USD

View

Price last confirmed 33 days ago

B+

Retailer 11

₹94,435 INR

$995 USD

View

B+

Retailer 12

₹1,04,401 INR

$1,100 USD

View

B+

Retailer 13

₹1,08,603 INR

£901 GBP

View

Retailer 14

₹1,11,045 INR

$1,170 USD

View

Most Expensive

Do Amore Diamonds

27-93711A3C9 · Nov 2

₹1,63,245 INR

$1,720 USD

View

14 more retailers have this diamond

Prices start from ₹18,982 INRSave up to ₹1,44,263 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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