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Radiant|Lab Grown|IGI

3.18ct D IF Radiant Lab Grown Diamond

VG • D/IF • IGI LG828688643

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

Certificate IGI LG828688643

Diamond specifications and retailer prices

From ₹1,31,886 INR
$1,389 USD
As of October 29, 2026
Save ₹10,33,151 INR (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: ₹11,65,037 INR at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.18ct lab-grown radiant diamond

This 3.18ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG828688643 or 828688643. Listed at 18 retailers as of October 29, 2026, with prices from ₹1,31,886 to ₹11,65,037, a ₹10,33,151 spread on the same certified stone. Brilliant Earth lists it at ₹11,65,037. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.18
Carat
D
Colour
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.2°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828688643
Dimensions10.11 × 7.21 × 5.01 mm
L/W Ratio1.40
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.11 mm7.21 mm3.18 ctD / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828688643
Side View
Table 70.0%Crown 43.2°Girdle: Slightly ThickPavilion 38.4°Culet: NoneDepth 69.5%

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 29
Current: ₹11,65,037 INR|Low: ₹1,31,886 INR|High: ₹11,65,037 INR|Avg: ₹3,39,489 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
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 31, 2026
Retailer 16₹1,31,886 INR
Retailer 3₹1,52,870 INR
Retailer 12₹1,62,034 INR
Retailer 11₹1,66,732 INR
Retailer 14₹1,92,352 INR
Retailer 6₹1,96,547 INR
Retailer 8₹2,46,751 INR
Retailer 10₹2,60,068 INR
Retailer 2₹3,01,276 INR
Retailer 17₹3,17,109 INR
Retailer 9₹3,37,160 INR
Retailer 7₹3,98,695 INR
Retailer 4₹4,41,105 INR
Retailer 15₹4,76,091 INR
Retailer 5₹4,95,449 INR
Retailer 13₹5,09,688 INR
Brilliant Earth₹11,65,037 INR

22 data points across 17 retailers

18 retailers₹1,31,886 INR to ₹11,65,037 INR

A
Cheapest Retailer
-
₹1,31,886 INR
$1,389 USD
Final sale: no returns
A
Retailer 2
-
₹1,52,870 INR
$1,610 USD
View
A
Retailer 3
-
₹1,62,034 INR
£1,344 GBP
View
A
Retailer 4
-
₹1,66,732 INR
$1,756 USD
View
A
Retailer 5
-
₹1,92,352 INR
£1,595 GBP
View
A
Retailer 6
-
₹1,96,547 INR
$2,070 USD
View
Retailer 7
-
₹2,46,751 INR
€2,475 EUR
View
Price last confirmed 7 days ago
A
Retailer 8
-
₹2,60,068 INR
$2,739 USD
View
A
Retailer 9
-
₹3,01,276 INR
$3,173 USD
View
A
Retailer 10
-
₹3,17,109 INR
ZAR 53,954 ZAR
View
Retailer 11
-
₹3,37,160 INR
£2,796 GBP
View
Price last confirmed 9 days ago
B+
Retailer 12
-
₹3,98,695 INR
$4,199 USD
View
B+
Retailer 13
-
₹4,41,105 INR
£3,658 GBP
View
B+
Retailer 14
-
₹4,76,091 INR
$5,014 USD
View
B+
Retailer 15
-
₹4,95,449 INR
$5,218 USD
View
B
Retailer 16
-
₹5,09,688 INR
SGD 7,254 SGD
View
Retailer 17
-
₹6,72,782 INR
A$10,901 AUD
View
Price last confirmed 22 days ago
Most Expensive
B
Brilliant Earth
21324580A · Oct 29
₹11,65,037 INR
$12,270 USD
View
17 more retailers have this diamond
Prices start from ₹1,31,886 INRSave up to ₹10,33,151 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
3.18ct Radiant
₹1,31,886 INR