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Round|Lab Grown|IGI

1.78ct I SI2 Round Lab Grown Diamond

ID • I/SI2 • IGI LG470149591

Shape and cutting style on the report: Round brilliant

Certificate IGI LG470149591

Diamond specifications and retailer prices

From ₹32,106 INR
$337 USD
As of October 29, 2026
Save ₹1,39,946 INR (81%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: ₹1,72,052 INR at MOH London · As of October 25, 2026
View at MOH London

About this 1.78ct lab-grown round diamond

This 1.78ct lab-grown round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG470149591 or 470149591. Listed at 15 retailers as of October 25, 2026, with prices from ₹32,106 to ₹1,72,052, a ₹1,39,946 spread on the same certified stone. MOH London lists it at ₹1,72,052. 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
I
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG470149591
Dimensions7.77 × 7.82 × 4.80 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.77 mm7.82 mm1.78 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG470149591
Side View
Table 57.0%Crown 35.2°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.6%

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: Oct 29
Current: ₹1,72,052 INR|Low: ₹32,106 INR|High: ₹1,72,657 INR|Avg: ₹83,558 INR|-0.4%
MOH London
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 30, 2026
Retailer 12₹32,106 INR
Retailer 9₹37,251 INR
Retailer 8₹39,823 INR
Retailer 14₹39,823 INR
Retailer 2₹41,728 INR
Retailer 7₹51,567 INR
Retailer 10₹72,405 INR
Retailer 5₹73,869 INR
Retailer 3₹77,645 INR
Retailer 6₹81,647 INR
Retailer 11₹1,16,896 INR
Retailer 4₹1,28,900 INR
Retailer 13₹1,41,381 INR
MOH London₹1,72,052 INR

14 data points across 14 retailers

15 retailers₹32,106 INR to ₹1,72,052 INR

A
Cheapest Retailer
-
₹32,106 INR
$337 USD
A
Retailer 2
-
₹37,251 INR
$391 USD
View
A
Retailer 3
-
₹39,823 INR
$418 USD
View
A
Retailer 4
-
₹39,823 INR
$418 USD
View
B+
Retailer 5
-
₹41,728 INR
$438 USD
View
A
Retailer 6
-
₹51,567 INR
£426 GBP
View
A
Retailer 7
-
₹72,405 INR
$760 USD
View
A
Retailer 8
-
₹73,869 INR
$775 USD
View
A
Retailer 9
-
₹77,645 INR
$815 USD
View
A
Retailer 10
-
₹81,647 INR
$857 USD
View
B+
Retailer 11
-
₹1,16,896 INR
$1,227 USD
View
B+
Retailer 12
-
₹1,18,135 INR
$1,240 USD
View
B+
Retailer 13
-
₹1,28,900 INR
$1,353 USD
View
B+
Retailer 14
-
₹1,41,381 INR
$1,484 USD
View
Most Expensive
B+
MOH London
LG470149591 · Oct 25
₹1,72,052 INR
£1,422 GBP
View
14 more retailers have this diamond
Prices start from ₹32,106 INRSave up to ₹1,39,946 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
1.78ct Round
₹32,106 INR