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Round|Lab Grown|IGI

3.09ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG678518609

Shape and cutting style on the report: Round brilliant

Certificate IGI LG678518609

Diamond specifications and retailer prices

From ₹1,07,329 INR
As of November 6, 2026
6 retailers carry this diamond
Most expensive: ₹1,73,843 INR at Rare Carat · As of September 9, 2026
View at Rare Carat

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 LG678518609 or 678518609. Listed at 6 retailers as of November 6, 2026. 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 angle34.7°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678518609
Dimensions9.41 × 9.36 × 5.67 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.41 mm9.36 mm3.09 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678518609
Side View
Table 59.0%Crown 34.7°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 60.5%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: ₹1,73,843 INR|Low: ₹28,533 INR|High: ₹2,09,746 INR|Avg: ₹91,944 INR
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
Retailer 17
October 21, 2026
Retailer 17₹35,713 INR
Retailer 12₹39,965 INR
Retailer 15₹39,965 INR
Retailer 5₹43,650 INR
Retailer 7₹44,311 INR
Retailer 4₹59,522 INR
Retailer 6₹68,970 INR
Retailer 10₹69,443 INR
Retailer 13₹76,812 INR
Retailer 14₹80,497 INR
Retailer 9₹92,307 INR
Retailer 16₹1,01,566 INR
Retailer 2₹1,07,329 INR
Retailer 3₹1,42,287 INR
Rare Carat₹1,73,843 INR
Retailer 11₹1,74,788 INR
Retailer 8₹2,09,746 INR

8 data points across 17 retailers

6 retailers

Retailer 1
-
₹35,713 INR
Price last confirmed 44 days ago
Retailer 2
-
₹39,965 INR
View
Price last confirmed 44 days ago
Retailer 3
-
₹43,650 INR
View
Price last confirmed 45 days ago
B+
Retailer 4
-
₹1,07,329 INR
View
Retailer 5
-
₹1,42,287 INR
View
Price last confirmed 46 days ago
Most Expensive
Rare Carat
KL6095186CC678 · Sep 9
₹1,73,843 INR
$1,840 USD
View
Price last confirmed 58 days ago
5 more retailers have this diamond
Prices start from ₹1,07,329 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+
3.09ct Round
₹1,07,329 INR