Radiant|Lab Grown|IGI

3.09ct D SI1 Radiant Lab Grown Diamond

ID • D/SI1 • IGI LG710539520

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

Certificate IGI LG710539520

Diamond specifications and retailer prices

From ₹33,707 INR
$355 USD
As of October 30, 2026
Save ₹3,64,133 INR (92%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: ₹3,97,841 INR at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.09ct lab-grown radiant diamond

This 3.09ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG710539520 or 710539520. Listed at 19 retailers as of October 30, 2026, with prices from ₹33,707 to ₹3,97,841, a ₹3,64,133 spread on the same certified stone. Brilliant Earth lists it at ₹3,97,841. 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
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.1°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG710539520
Dimensions10.16 × 7.19 × 4.99 mm
L/W Ratio1.41
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.16 mm7.19 mm3.09 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG710539520
Side View
Table 67.0%Crown 43.1°Girdle: MED-STKPavilion 36.2°Culet: NoneDepth 69.4%

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: Oct 30
Current: ₹3,97,841 INR|Low: ₹31,428 INR|High: ₹4,59,558 INR|Avg: ₹1,12,905 INR|-13.4%
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 5
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Retailer 8
Retailer 9
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Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 31, 2026
Retailer 14₹33,707 INR
Retailer 10₹37,600 INR
Retailer 5₹39,024 INR
Retailer 6₹41,778 INR
Retailer 16₹41,778 INR
Retailer 4₹56,021 INR
Retailer 15₹57,086 INR
Retailer 13₹63,142 INR
Retailer 7₹71,877 INR
Retailer 2₹73,278 INR
Retailer 12₹75,133 INR
Retailer 3₹1,22,391 INR
Retailer 18₹1,34,164 INR
Retailer 11₹1,38,094 INR
Retailer 9₹1,47,742 INR
Retailer 8₹1,60,152 INR
Retailer 17₹1,63,998 INR
Retailer 19₹2,36,900 INR
Brilliant Earth₹3,97,841 INR

32 data points across 19 retailers

19 retailers₹33,707 INR to ₹3,97,841 INR

A
Cheapest Retailer
-
₹33,707 INR
$355 USD
A
Retailer 2
-
₹37,600 INR
$396 USD
View
Final sale: no returns
A
Retailer 3
-
₹39,024 INR
$411 USD
View
A
Retailer 4
-
₹41,778 INR
$440 USD
View
A
Retailer 5
-
₹41,778 INR
$440 USD
View
B+
Retailer 6
-
₹56,021 INR
$590 USD
View
A
Retailer 7
-
₹57,086 INR
£473 GBP
View
A
Retailer 8
-
₹63,142 INR
$665 USD
View
A
Retailer 9
-
₹71,877 INR
$757 USD
View
A
Retailer 10
-
₹73,278 INR
€735 EUR
View
A
Retailer 11
-
₹75,133 INR
£623 GBP
View
B+
Retailer 12
-
₹1,22,391 INR
$1,289 USD
View
B+
Retailer 13
-
₹1,34,164 INR
$1,413 USD
View
B+
Retailer 14
-
₹1,38,094 INR
$1,454 USD
View
B
Retailer 15
-
₹1,47,742 INR
$1,556 USD
View
B+
Retailer 16
-
₹1,60,152 INR
$1,687 USD
View
B+
Retailer 17
-
₹1,63,998 INR
£1,360 GBP
View
B
Retailer 18
-
₹2,36,900 INR
$2,495 USD
View
Most Expensive
B
Brilliant Earth
16226177A · Oct 30
₹3,97,841 INR
$4,190 USD
View
18 more retailers have this diamond
Prices start from ₹33,707 INRSave up to ₹3,64,133 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 Radiant
₹33,707 INR