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1.28ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG814634689

Shape and cutting style on the report: Round brilliant

Certificate IGI LG814634689

Diamond specifications and retailer prices

From ₹28,344 INR
As of November 6, 2026
Save ₹69,448 INR (71%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: ₹97,792 INR at MOH London · As of November 1, 2026
View at MOH London

About this 1.28ct lab-grown round diamond

This 1.28ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG814634689 or 814634689. Listed at 7 retailers as of November 1, 2026, with prices from ₹28,344 to ₹97,792, a ₹69,448 spread on the same certified stone. MOH London lists it at ₹97,792. 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

1.28
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG814634689
Dimensions6.96 × 6.92 × 4.28 mm
L/W Ratio1.01
Girdle conditionFaceted
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
Top View
6.96 mm6.92 mm1.28 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG814634689
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.6%

Caratlytics Score

How it works →
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: Nov 6
Current: ₹97,792 INR|Low: ₹28,344 INR|High: ₹18,45,478 INR|Avg: ₹63,145 INR|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 5₹28,344 INR
Retailer 3₹35,430 INR
Retailer 2₹37,131 INR
Retailer 7₹38,926 INR
Retailer 4₹43,461 INR
Retailer 6₹72,277 INR
MOH London₹97,792 INR

42 data points across 7 retailers

7 retailers₹28,344 INR to ₹97,792 INR

B+
Cheapest Retailer
-
₹28,344 INR
A
Retailer 2
-
₹35,430 INR
View
A
Retailer 3
-
₹37,131 INR
View
A
Retailer 4
-
₹38,926 INR
View
B+
Retailer 5
-
₹43,461 INR
View
B
Retailer 6
-
₹72,277 INR
View
Most Expensive
B
MOH London
LG814634689 · Nov 1
₹97,792 INR
£815 GBP
View
6 more retailers have this diamond
Prices start from ₹28,344 INRSave up to ₹69,448 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
1.28ct Round
₹28,344 INR