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Radiant|Lab Grown|IGI

3.15ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG813609580

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

Certificate IGI LG813609580

Diamond specifications and retailer prices

From $1,876 CAD
$1,343 USD
As of October 29, 2026
Save $15,110 CAD (89%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $16,986 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.15ct lab-grown radiant diamond

This 3.15ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG813609580 or 813609580. Listed at 19 retailers as of October 29, 2026, with prices from $1,876 to $16,986, a $15,110 spread on the same certified stone. Brilliant Earth lists it at $16,986. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.15
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.2°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG813609580
Dimensions10.38 × 7.14 × 4.94 mm
L/W Ratio1.45
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.38 mm7.14 mm3.15 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG813609580
Side View
Table 68.0%Crown 44.2°Girdle: MED-STKPavilion 36.1°Culet: NoneDepth 69.2%

Caratlytics Score

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A+
Exceptional
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: $7,047 CAD|Low: $1,876 CAD|High: $7,262 CAD|Avg: $4,242 CAD|-3.0%
Retailer 1
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 30, 2026
Retailer 13$1,876 CAD
Retailer 16$2,186 CAD
Retailer 6$2,417 CAD
Retailer 3$2,794 CAD
Retailer 10$2,821 CAD
Retailer 14$3,041 CAD
Retailer 7$3,536 CAD
Retailer 8$3,755 CAD
Retailer 12$4,344 CAD
Retailer 9$4,439 CAD
Retailer 15$4,515 CAD
Retailer 5$4,726 CAD
Retailer 2$5,405 CAD
Retailer 4$6,280 CAD
Retailer 17$6,507 CAD
Retailer 11$6,813 CAD
Retailer 1$7,047 CAD

19 data points across 17 retailers

19 retailers$1,876 CAD to $16,986 CAD

A+
Cheapest Retailer
-
$1,876 CAD
$1,343 USD
Final sale: no returns
A
Retailer 2
-
$2,186 CAD
$1,565 USD
View
A
Retailer 3
-
$2,417 CAD
$1,730 USD
View
A
Retailer 4
-
$2,794 CAD
$2,000 USD
View
A
Retailer 5
-
$2,821 CAD
£1,590 GBP
View
A
Retailer 6
-
$3,041 CAD
View
Retailer 7
-
$3,536 CAD
€2,411 EUR
View
Price last confirmed 7 days ago
A
Retailer 8
-
$3,755 CAD
$2,688 USD
View
A
Retailer 9
-
$4,344 CAD
$3,110 USD
View
Retailer 10
-
$4,439 CAD
A$4,889 AUD
View
Price last confirmed 8 days ago
A
Retailer 11
-
$4,515 CAD
ZAR 52,215 ZAR
View
A
Retailer 12
-
$4,726 CAD
£2,664 GBP
View
B+
Retailer 13
-
$5,405 CAD
$3,869 USD
View
B+
Retailer 14
-
$6,280 CAD
£3,540 GBP
View
B+
Retailer 15
-
$6,507 CAD
SGD 6,295 SGD
View
B+
Retailer 16
-
$6,813 CAD
$4,878 USD
View
B+
Retailer 17
-
$7,047 CAD
$5,045 USD
View
Retailer 18
-
$9,808 CAD
A$10,802 AUD
View
Price last confirmed 22 days ago
Most Expensive
B
Brilliant Earth
20507935A · Oct 29
$16,986 CAD
$12,160 USD
View
18 more retailers have this diamond
Prices start from $1,876 CADSave up to $15,110 CAD

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+
3.15ct Radiant
$1,876 CAD