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Radiant|Lab Grown|IGI

1.23ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG811638351

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG811638351

Diamond specifications and retailer prices

From ₹30,841 INR
£256 GBP
As of November 2, 2026
Save ₹1,78,910 INR (85%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: ₹2,25,886 INR at Rare Carat · As of October 18, 2026
View at Rare Carat

About this 1.23ct lab-grown radiant diamond

This 1.23ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG811638351 or 811638351. Listed at 8 retailers as of November 1, 2026, with a 580% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.8°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811638351
Dimensions7.72 × 5.28 × 3.61 mm
L/W Ratio1.46
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.72 mm5.28 mm1.23 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811638351
Side View
Table 67.0%Crown 42.8°Girdle: MediumPavilion 35.6°Culet: NoneDepth 68.4%

Caratlytics Score

How it works →
A+
Exceptional
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 2
Current: ₹2,25,886 INR|Low: ₹24,737 INR|High: ₹3,00,865 INR|Avg: ₹1,03,498 INR|+6.8%
Rare Carat
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
Retailer 15
Retailer 16
November 2, 2026
Retailer 4₹24,737 INR
Retailer 8₹27,904 INR
Retailer 2₹30,841 INR
Retailer 15₹45,082 INR
Retailer 13₹45,936 INR
Retailer 6₹70,357 INR
Retailer 3₹71,985 INR
Retailer 16₹76,307 INR
Retailer 7₹79,060 INR
Retailer 12₹87,507 INR
Retailer 14₹1,01,482 INR
Retailer 9₹1,20,054 INR
Retailer 5₹1,43,684 INR
Retailer 10₹1,83,176 INR
Retailer 11₹2,09,751 INR
Rare Carat₹2,25,886 INR

21 data points across 16 retailers

8 retailers₹30,841 INR to ₹2,09,751 INR

A+
Cheapest Retailer
-
₹30,841 INR
£256 GBP
A
Retailer 2
-
₹45,936 INR
$484 USD
View
B+
Retailer 3
-
₹87,507 INR
$922 USD
View
B+
Retailer 4
-
₹1,01,482 INR
$1,069 USD
View
B+
Retailer 5
-
₹1,20,054 INR
£996 GBP
View
B
Retailer 6
-
₹1,83,176 INR
$1,930 USD
View
B
Retailer 7
-
₹2,09,751 INR
$2,210 USD
View
Most Expensive
Rare Carat
PD-223153 · Oct 18
₹2,25,886 INR
$2,380 USD
View
Price last confirmed 15 days ago
7 more retailers have this diamond
Prices start from ₹30,841 INRSave up to ₹1,78,910 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 Radiant
₹30,841 INR