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Radiant|Lab Grown|IGI

3.15ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG628447916

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

Certificate IGI LG628447916

Diamond specifications and retailer prices

From $1,605 CAD
$1,147 USD
As of October 27, 2026
Save $12,195 CAD (88%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $13,800 CAD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

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 LG628447916 or 628447916. Listed at 17 retailers as of October 27, 2026, with prices from $1,605 to $13,800, a $12,195 spread on the same certified stone. Do Amore Diamonds lists it at $13,800. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.9°
Pavilion angle32.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG628447916
Dimensions10.40 × 10.40 × 7.13 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
10.40 mm10.40 mm3.15 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG628447916
Side View
Table 63.0%Crown 46.9°Girdle: Slightly ThickPavilion 32.6°Culet: NoneDepth 66.3%

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 27
Current: $13,800 CAD|Low: $1,568 CAD|High: $14,808 CAD|Avg: $5,187 CAD|-6.8%
Do Amore Diamonds
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 14$1,605 CAD
Retailer 3$1,747 CAD
Retailer 9$1,940 CAD
Retailer 10$2,043 CAD
Retailer 16$2,097 CAD
Retailer 15$2,960 CAD
Retailer 6$3,337 CAD
Retailer 2$3,397 CAD
Retailer 17$3,670 CAD
Retailer 13$3,731 CAD
Retailer 4$4,731 CAD
Retailer 12$5,090 CAD
Retailer 11$6,429 CAD
Retailer 5$7,537 CAD
Retailer 7$9,827 CAD
Retailer 8$11,463 CAD
Do Amore Diamonds$13,800 CAD

33 data points across 17 retailers

17 retailers$1,605 CAD to $13,800 CAD

A
Cheapest Retailer
-
$1,605 CAD
$1,147 USD
A
Retailer 2
-
$1,747 CAD
$1,248 USD
View
A
Retailer 3
-
$1,940 CAD
$1,386 USD
View
Final sale: no returns
A
Retailer 4
-
$2,043 CAD
$1,460 USD
View
A
Retailer 5
-
$2,097 CAD
$1,498 USD
View
A
Retailer 6
-
$2,960 CAD
$2,115 USD
View
A
Retailer 7
-
$3,337 CAD
€2,271 EUR
View
A
Retailer 8
-
$3,397 CAD
$2,427 USD
View
A
Retailer 9
-
$3,670 CAD
$2,622 USD
View
A
Retailer 10
-
$3,731 CAD
$2,666 USD
View
Retailer 11
-
$4,731 CAD
A$5,200 AUD
View
Price last confirmed 7 days ago
B+
Retailer 12
-
$5,090 CAD
$3,637 USD
View
B+
Retailer 13
-
$6,429 CAD
£3,617 GBP
View
Retailer 14
-
$7,537 CAD
$5,385 USD
View
Price last confirmed 11 days ago
Retailer 15
-
$9,827 CAD
A$10,802 AUD
View
Price last confirmed 21 days ago
B
Retailer 16
-
$11,463 CAD
$8,190 USD
View
Most Expensive
B
Do Amore Diamonds
27-B5D3A5C08 · Oct 30
$13,800 CAD
$9,860 USD
View
16 more retailers have this diamond
Prices start from $1,605 CADSave up to $12,195 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
$1,605 CAD