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Round|Lab Grown|IGI

3.09ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG821689508

Shape and cutting style on the report: Round brilliant

Certificate IGI LG821689508

Diamond specifications and retailer prices

From ₹39,776 INR
As of November 5, 2026
Save ₹3,30,586 INR (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: ₹3,70,362 INR at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

About this 3.09ct lab-grown round diamond

This 3.09ct lab-grown round sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG821689508 or 821689508. Listed at 17 retailers as of November 5, 2026, with prices from ₹39,776 to ₹3,70,362, a ₹3,30,586 spread on the same certified stone. Brilliant Earth lists it at ₹3,70,362. 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

3.09
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821689508
Dimensions9.36 × 9.40 × 5.74 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.36 mm9.40 mm3.09 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821689508
Side View
Table 58.0%Crown 33.2°Girdle: MediumPavilion 41.2°Culet: NoneDepth 61.2%

Caratlytics Score

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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: ₹3,70,362 INR|Low: ₹39,776 INR|High: ₹3,70,362 INR|Avg: ₹1,19,030 INR
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 11₹39,776 INR
Retailer 4₹49,319 INR
Retailer 8₹63,302 INR
Retailer 10₹68,970 INR
Retailer 12₹77,852 INR
Retailer 6₹80,214 INR
Retailer 2₹84,087 INR
Retailer 3₹93,819 INR
Retailer 9₹1,38,413 INR
Retailer 7₹1,64,868 INR
Retailer 5₹1,80,646 INR
Brilliant Earth₹3,70,362 INR

40 data points across 12 retailers

17 retailers₹39,776 INR to ₹3,70,362 INR

A
Cheapest Retailer
-
₹39,776 INR
Retailer 2
-
₹39,776 INR
View
Price last confirmed 45 days ago
A
Retailer 3
-
₹44,595 INR
View
Retailer 4
-
₹48,657 INR
View
Price last confirmed 45 days ago
A
Retailer 5
-
₹49,319 INR
View
Retailer 6
-
₹49,319 INR
View
Price last confirmed 12 days ago
A
Retailer 7
-
₹63,302 INR
View
B+
Retailer 8
-
₹77,852 INR
View
A
Retailer 9
-
₹80,214 INR
View
Retailer 10
-
₹84,087 INR
View
A
Retailer 11
-
₹93,819 INR
View
B
Retailer 12
-
₹1,38,413 INR
View
Retailer 13
-
₹1,58,632 INR
View
Price last confirmed 46 days ago
B
Retailer 14
-
₹1,58,632 INR
View
B
Retailer 15
-
₹1,64,868 INR
View
B
Retailer 16
-
₹1,80,646 INR
View
Most Expensive
B
Brilliant Earth
21445474A · Nov 5
₹3,70,362 INR
$3,920 USD
View
16 more retailers have this diamond
Prices start from ₹39,776 INRSave up to ₹3,30,586 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
3.09ct Round
₹39,776 INR