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1.28ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG819612892

Shape and cutting style on the report: Round brilliant

Certificate IGI LG819612892

Diamond specifications and retailer prices

From ₹16,345 INR
As of November 5, 2026
Save ₹78,087 INR (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: ₹94,432 INR at MOH London · As of November 5, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG819612892 or 819612892. Listed at 14 retailers as of November 5, 2026, with prices from ₹16,345 to ₹94,432, a ₹78,087 spread on the same certified stone. MOH London lists it at ₹94,432. 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
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG819612892
Dimensions6.99 × 6.97 × 4.27 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.99 mm6.97 mm1.28 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG819612892
Side View
Table 59.0%Crown 34.3°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 61.2%

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: Nov 5
Current: ₹94,432 INR|Low: ₹15,684 INR|High: ₹95,872 INR|Avg: ₹42,462 INR|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 8₹16,345 INR
Retailer 10₹18,990 INR
Retailer 3₹20,219 INR
Retailer 9₹20,219 INR
Retailer 5₹35,713 INR
Retailer 11₹36,091 INR
Retailer 6₹41,571 INR
Retailer 2₹44,784 INR
Retailer 4₹51,114 INR
Retailer 12₹65,097 INR
Retailer 7₹68,781 INR
MOH London₹94,432 INR

46 data points across 12 retailers

14 retailers₹16,345 INR to ₹94,432 INR

A
Cheapest Retailer
-
₹16,345 INR
A
Retailer 2
-
₹18,990 INR
View
Retailer 3
-
₹20,219 INR
View
Price last confirmed 12 days ago
A
Retailer 4
-
₹20,219 INR
View
A
Retailer 5
-
₹35,713 INR
View
B+
Retailer 6
-
₹36,091 INR
View
A
Retailer 7
-
₹41,571 INR
View
B+
Retailer 8
-
₹42,988 INR
View
A
Retailer 9
-
₹44,784 INR
View
B+
Retailer 10
-
₹51,114 INR
View
B
Retailer 11
-
₹65,097 INR
View
B+
Retailer 12
-
₹68,781 INR
View
B+
Retailer 13
-
₹70,199 INR
View
Most Expensive
B
MOH London
LG819612892 · Nov 5
₹94,432 INR
£787 GBP
View
13 more retailers have this diamond
Prices start from ₹16,345 INRSave up to ₹78,087 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
₹16,345 INR