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Round|Lab Grown|IGI

1.23ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG488131917

Shape and cutting style on the report: Round brilliant

Certificate IGI LG488131917

Diamond specifications and retailer prices

From ₹83,426 INR
As of November 5, 2026
Save ₹71,899 INR (46%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: ₹2,15,131 INR at Friendly Diamonds · As of November 4, 2026
View at Friendly Diamonds

About this 1.23ct lab-grown round diamond

This 1.23ct lab-grown round sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG488131917 or 488131917. Listed at 12 retailers as of November 4, 2026, with a 86% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG488131917
Dimensions6.93 × 6.90 × 4.24 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.93 mm6.90 mm1.23 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG488131917
Side View
Table 57.5%Crown 34°Girdle: THN-MEDPavilion 41.2°Culet: NoneDepth 61.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: ₹2,15,131 INR|Low: ₹80,025 INR|High: ₹3,67,338 INR|Avg: ₹1,42,978 INR
Friendly Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 4₹83,426 INR
Retailer 5₹87,866 INR
Retailer 8₹93,346 INR
Retailer 6₹96,748 INR
Retailer 9₹96,748 INR
Retailer 10₹1,13,376 INR
Retailer 2₹1,45,877 INR
Retailer 7₹1,55,325 INR
Friendly Diamonds₹2,15,131 INR
Retailer 3₹3,61,480 INR

43 data points across 10 retailers

12 retailers₹83,426 INR to ₹1,55,325 INR

B
Cheapest Retailer
-
₹83,426 INR
B
Retailer 2
-
₹87,866 INR
View
B
Retailer 3
-
₹90,701 INR
View
B
Retailer 4
-
₹93,346 INR
View
Final sale: no returns
Retailer 5
-
₹96,748 INR
View
Price last confirmed 25 days ago
B
Retailer 6
-
₹96,748 INR
View
B
Retailer 7
-
₹1,13,376 INR
View
B
Retailer 8
-
₹1,45,877 INR
View
B
Retailer 9
-
₹1,55,325 INR
View
Most Expensive
Friendly Diamonds
1594928 · Nov 4
₹2,15,131 INR
$2,277 USD
View
Price under review
9 more retailers have this diamond
Prices start from ₹83,426 INRSave up to ₹71,899 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.

B
1.23ct Round
₹83,426 INR