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1.55ct I SI1 Round Lab Grown Diamond

ID • I/SI1 • IGI LG492112480

Shape and cutting style on the report: Round brilliant

Certificate IGI LG492112480

Diamond specifications and retailer prices

From ₹81,253 INR
As of November 5, 2026
Save ₹3,59,829 INR (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: ₹4,41,082 INR at MOH London · As of November 3, 2026
View at MOH London

About this 1.55ct lab-grown round diamond

This 1.55ct lab-grown round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG492112480 or 492112480. Listed at 11 retailers as of November 3, 2026, with prices from ₹81,253 to ₹4,41,082, a ₹3,59,829 spread on the same certified stone. MOH London lists it at ₹4,41,082. 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

1.55
Carat
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492112480
Dimensions7.47 × 7.50 × 4.54 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
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
7.47 mm7.50 mm1.55 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492112480
Side View
Table 59.0%Crown 33.5°Girdle: MediumPavilion 41.1°Culet: NoneDepth 60.6%

Caratlytics Score

How it works →
A
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: Nov 5
Current: ₹4,41,082 INR|Low: ₹81,253 INR|High: ₹4,46,961 INR|Avg: ₹2,08,263 INR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 2₹81,253 INR
Retailer 3₹1,33,122 INR
Retailer 6₹1,49,089 INR
Retailer 4₹1,54,475 INR
Retailer 7₹1,54,475 INR
Retailer 8₹1,70,536 INR
Retailer 10₹2,10,785 INR
Retailer 5₹2,43,664 INR
Retailer 9₹2,80,322 INR
MOH London₹4,41,082 INR

15 data points across 10 retailers

11 retailers₹81,253 INR to ₹4,41,082 INR

A
Cheapest Retailer
-
₹81,253 INR
B+
Retailer 2
-
₹1,33,122 INR
View
B+
Retailer 3
-
₹1,44,838 INR
View
B+
Retailer 4
-
₹1,49,089 INR
View
Final sale: no returns
Retailer 5
-
₹1,54,475 INR
View
Price last confirmed 25 days ago
B+
Retailer 6
-
₹1,54,475 INR
View
B+
Retailer 7
-
₹1,70,536 INR
View
B
Retailer 8
-
₹2,43,664 INR
View
B
Retailer 9
-
₹2,80,322 INR
View
B
Retailer 10
-
₹2,89,487 INR
View
Most Expensive
B
MOH London
LG492112480 · Nov 3
₹4,41,082 INR
£3,676 GBP
View
10 more retailers have this diamond
Prices start from ₹81,253 INRSave up to ₹3,59,829 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 Round
₹81,253 INR