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Round|Lab Grown|IGI

1.09ct I SI1 Round Lab Grown Diamond

ID • I/SI1 • IGI LG451057063

Shape and cutting style on the report: Round brilliant

Certificate IGI LG451057063

Diamond specifications and retailer prices

From ₹60,768 INR
$640 USD
As of October 31, 2026
Save ₹3,70,690 INR (86%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: ₹4,31,458 INR at MOH London · As of October 29, 2026
View at MOH London

About this 1.09ct lab-grown round diamond

This 1.09ct lab-grown round sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG451057063 or 451057063. Listed at 13 retailers as of October 29, 2026, with prices from ₹60,768 to ₹4,31,458, a ₹3,70,690 spread on the same certified stone. MOH London lists it at ₹4,31,458. 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

1.09
Carat
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451057063
Dimensions6.53 × 6.56 × 4.09 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
6.53 mm6.56 mm1.09 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451057063
Side View
Table 56.5%Crown 35.9°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.5%

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: Oct 31
Current: ₹4,31,458 INR|Low: ₹60,768 INR|High: ₹4,34,956 INR|Avg: ₹1,84,300 INR|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 30, 2026
Retailer 2₹60,768 INR
Retailer 9₹1,15,174 INR
Retailer 13₹1,25,239 INR
Retailer 3₹1,28,942 INR
Retailer 10₹1,33,595 INR
Retailer 12₹1,33,595 INR
Retailer 4₹1,50,021 INR
Retailer 7₹1,75,350 INR
Retailer 5₹1,87,146 INR
Retailer 11₹2,11,833 INR
Retailer 8₹2,28,606 INR
Retailer 14₹2,50,383 INR
Retailer 6₹2,55,890 INR
MOH London₹4,31,458 INR

37 data points across 14 retailers

13 retailers₹60,768 INR to ₹4,31,458 INR

A
Cheapest Retailer
-
₹60,768 INR
$640 USD
B+
Retailer 2
-
₹1,15,174 INR
$1,213 USD
View
B+
Retailer 3
-
₹1,25,239 INR
$1,319 USD
View
B+
Retailer 4
-
₹1,28,942 INR
$1,358 USD
View
Final sale: no returns
B+
Retailer 5
-
₹1,33,595 INR
$1,407 USD
View
Retailer 6
-
₹1,33,595 INR
$1,407 USD
View
Price last confirmed 19 days ago
B+
Retailer 7
-
₹1,50,021 INR
$1,580 USD
View
B+
Retailer 8
-
₹1,75,350 INR
£1,454 GBP
View
B
Retailer 9
-
₹2,11,833 INR
$2,231 USD
View
B
Retailer 10
-
₹2,28,606 INR
€2,293 EUR
View
B
Retailer 11
-
₹2,50,383 INR
$2,637 USD
View
B
Retailer 12
-
₹2,55,890 INR
$2,695 USD
View
Most Expensive
B
MOH London
LG451057063 · Oct 29
₹4,31,458 INR
£3,578 GBP
View
12 more retailers have this diamond
Prices start from ₹60,768 INRSave up to ₹3,70,690 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
1.09ct Round
₹60,768 INR