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1.28ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • IGI LG788620074

Shape and cutting style on the report: Round brilliant

Certificate IGI LG788620074

Diamond specifications and retailer prices

From ₹16,060 INR
As of November 5, 2026
Save ₹77,096 INR (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: ₹93,156 INR at MOH London · As of November 2, 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG788620074 or 788620074. Listed at 15 retailers as of November 2, 2026, with prices from ₹16,060 to ₹93,156, a ₹77,096 spread on the same certified stone. MOH London lists it at ₹93,156. 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
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788620074
Dimensions7.06 × 7.03 × 4.18 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.06 mm7.03 mm1.28 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788620074
Side View
Table 61.0%Crown 33°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 59.3%

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 5
Current: ₹93,156 INR|Low: ₹16,060 INR|High: ₹94,230 INR|Avg: ₹46,254 INR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 7₹16,060 INR
Retailer 8₹19,911 INR
Retailer 2₹34,187 INR
Retailer 4₹35,032 INR
Retailer 9₹35,596 INR
Retailer 5₹43,203 INR
Retailer 10₹43,579 INR
Retailer 6₹50,623 INR
Retailer 3₹59,170 INR
MOH London₹93,156 INR

43 data points across 10 retailers

15 retailers₹16,060 INR to ₹93,156 INR

A
Cheapest Retailer
-
₹16,060 INR
A
Retailer 2
-
₹18,596 INR
View
A
Retailer 3
-
₹19,911 INR
View
Retailer 4
-
₹19,911 INR
View
Price last confirmed 12 days ago
A
Retailer 5
-
₹34,187 INR
View
A
Retailer 6
-
₹35,032 INR
View
B+
Retailer 7
-
₹35,596 INR
View
A
Retailer 8
-
₹38,413 INR
View
A
Retailer 9
-
₹43,203 INR
View
B+
Retailer 10
-
₹43,579 INR
View
B+
Retailer 11
-
₹50,623 INR
View
B+
Retailer 12
-
₹59,170 INR
View
B
Retailer 13
-
₹64,053 INR
View
B+
Retailer 14
-
₹69,125 INR
View
Most Expensive
B
MOH London
LG788620074 · Nov 2
₹93,156 INR
£781 GBP
View
14 more retailers have this diamond
Prices start from ₹16,060 INRSave up to ₹77,096 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
₹16,060 INR