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Round|Lab Grown|IGI

1.23ct I SI1 Round Lab Grown Diamond

EX • I/SI1 • IGI LG407945468

Shape and cutting style on the report: Round brilliant

Certificate IGI LG407945468

Diamond specifications and retailer prices

From ₹56,688 INR
As of November 5, 2026
Save ₹3,80,914 INR (87%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: ₹4,37,602 INR at MOH London · As of November 5, 2026
View at MOH London

About this 1.23ct lab-grown round diamond

This 1.23ct 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 LG407945468 or 407945468. Listed at 13 retailers as of November 5, 2026, with prices from ₹56,688 to ₹4,37,602, a ₹3,80,914 spread on the same certified stone. MOH London lists it at ₹4,37,602. 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

1.23
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG407945468
Dimensions6.83 × 6.86 × 4.30 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) Type IIa
Top View
6.83 mm6.86 mm1.23 ctI / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG407945468
Side View
Table 55.0%Crown 35.9°GirdlePavilion 40.9°Culet: NoneDepth 62.8%

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: ₹4,37,602 INR|Low: ₹56,688 INR|High: ₹4,44,561 INR|Avg: ₹2,02,503 INR|-0.2%
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₹56,688 INR
Retailer 5₹1,32,461 INR
Retailer 10₹1,44,082 INR
Retailer 3₹1,48,239 INR
Retailer 7₹1,53,624 INR
Retailer 9₹1,53,624 INR
Retailer 2₹1,99,920 INR
Retailer 8₹2,42,436 INR
Retailer 4₹2,60,292 INR
Retailer 11₹2,87,975 INR
MOH London₹4,37,602 INR

46 data points across 11 retailers

13 retailers₹56,688 INR to ₹4,37,602 INR

A
Cheapest Retailer
-
₹56,688 INR
B+
Retailer 2
-
₹1,32,461 INR
View
B+
Retailer 3
-
₹1,44,082 INR
View
B+
Retailer 4
-
₹1,48,239 INR
View
Final sale: no returns
B+
Retailer 5
-
₹1,53,624 INR
View
Retailer 6
-
₹1,53,624 INR
View
Price last confirmed 25 days ago
B
Retailer 7
-
₹1,69,592 INR
View
B+
Retailer 8
-
₹1,99,920 INR
View
B
Retailer 9
-
₹2,42,436 INR
View
B
Retailer 10
-
₹2,60,292 INR
View
B
Retailer 11
-
₹2,78,810 INR
View
B
Retailer 12
-
₹2,87,975 INR
View
Most Expensive
B
MOH London
LG407945468 · Nov 5
₹4,37,602 INR
£3,647 GBP
View
12 more retailers have this diamond
Prices start from ₹56,688 INRSave up to ₹3,80,914 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
1.23ct Round
₹56,688 INR