CaratHunter
Plans
Round|Lab Grown|IGI

1.21ct I SI1 Round Lab Grown Diamond

EX • I/SI1 • IGI LG425066489

Shape and cutting style on the report: Round brilliant

Certificate IGI LG425066489

Diamond specifications and retailer prices

From ₹57,633 INR
As of November 5, 2026
Save ₹3,74,090 INR (87%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: ₹4,31,723 INR at MOH London · As of November 3, 2026
View at MOH London

About this 1.21ct lab-grown round diamond

This 1.21ct 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 LG425066489 or 425066489. Listed at 13 retailers as of November 3, 2026, with prices from ₹57,633 to ₹4,31,723, a ₹3,74,090 spread on the same certified stone. MOH London lists it at ₹4,31,723. 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

1.21
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.6°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG425066489
Dimensions6.96 × 6.98 × 4.13 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
undefined
Top View
6.96 mm6.98 mm1.21 ctI / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG425066489
Side View
Table 58.5%Crown 31.6°GirdlePavilion 40.9°Culet: NoneDepth 59.3%

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: Nov 5
Current: ₹4,31,723 INR|Low: ₹57,633 INR|High: ₹4,37,482 INR|Avg: ₹1,98,272 INR|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 6₹57,633 INR
Retailer 5₹1,30,288 INR
Retailer 11₹1,41,814 INR
Retailer 10₹1,45,972 INR
Retailer 7₹1,51,168 INR
Retailer 9₹1,51,168 INR
Retailer 2₹1,96,707 INR
Retailer 8₹2,38,656 INR
Retailer 4₹2,56,135 INR
Retailer 3₹2,83,346 INR
MOH London₹4,31,723 INR

46 data points across 11 retailers

13 retailers₹57,633 INR to ₹4,31,723 INR

A
Cheapest Retailer
-
₹57,633 INR
B+
Retailer 2
-
₹1,30,288 INR
View
B+
Retailer 3
-
₹1,41,814 INR
View
B+
Retailer 4
-
₹1,45,972 INR
View
Final sale: no returns
B+
Retailer 5
-
₹1,51,168 INR
View
Retailer 6
-
₹1,51,168 INR
View
Price last confirmed 25 days ago
B
Retailer 7
-
₹1,67,230 INR
View
B+
Retailer 8
-
₹1,96,707 INR
View
B
Retailer 9
-
₹2,38,656 INR
View
B
Retailer 10
-
₹2,56,135 INR
View
B
Retailer 11
-
₹2,74,370 INR
View
B
Retailer 12
-
₹2,83,346 INR
View
Most Expensive
B
MOH London
LG425066489 · Nov 3
₹4,31,723 INR
£3,598 GBP
View
12 more retailers have this diamond
Prices start from ₹57,633 INRSave up to ₹3,74,090 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
1.21ct Round
₹57,633 INR