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1.91ct K SI1 Round Lab Grown Diamond

EX • K/SI1 • IGI LG451056918

Shape and cutting style on the report: Round brilliant

Certificate IGI LG451056918

Diamond specifications and retailer prices

From ₹1,11,675 INR
As of November 5, 2026
Save ₹3,04,329 INR (73%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: ₹4,16,004 INR at MOH London · As of November 1, 2026
View at MOH London

About this 1.91ct lab-grown round diamond

This 1.91ct lab-grown round sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG451056918 or 451056918. Listed at 10 retailers as of November 1, 2026, with prices from ₹1,11,675 to ₹4,16,004, a ₹3,04,329 spread on the same certified stone. MOH London lists it at ₹4,16,004. 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

1.91
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451056918
Dimensions8.08 × 8.12 × 4.72 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
8.08 mm8.12 mm1.91 ctK / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451056918
Side View
Table 62.0%Crown 33.3°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 58.2%

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: ₹4,16,004 INR|Low: ₹1,07,140 INR|High: ₹4,21,643 INR|Avg: ₹2,00,501 INR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 4₹1,11,675 INR
Retailer 5₹1,29,532 INR
Retailer 7₹1,29,532 INR
Retailer 2₹1,41,720 INR
Retailer 3₹1,45,972 INR
Retailer 9₹1,85,181 INR
Retailer 6₹2,05,494 INR
Retailer 8₹2,55,190 INR
MOH London₹4,16,004 INR

37 data points across 9 retailers

10 retailers₹1,11,675 INR to ₹4,16,004 INR

A
Cheapest Retailer
-
₹1,11,675 INR
A
Retailer 2
-
₹1,21,407 INR
View
B+
Retailer 3
-
₹1,29,532 INR
View
Retailer 4
-
₹1,29,532 INR
View
Price last confirmed 25 days ago
A
Retailer 5
-
₹1,41,720 INR
View
B+
Retailer 6
-
₹1,45,972 INR
View
B
Retailer 7
-
₹2,05,494 INR
View
B
Retailer 8
-
₹2,42,719 INR
View
B
Retailer 9
-
₹2,55,190 INR
View
Most Expensive
B
MOH London
LG451056918 · Nov 1
₹4,16,004 INR
£3,467 GBP
View
9 more retailers have this diamond
Prices start from ₹1,11,675 INRSave up to ₹3,04,329 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
1.91ct Round
₹1,11,675 INR