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Radiant|Lab Grown|IGI

3.15ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG768631131

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

Certificate IGI LG768631131

Diamond specifications and retailer prices

From $2,043 CAD
$1,460 USD
As of October 29, 2026
Save $11,757 CAD (85%) vs most expensive(unlock to see where)
11 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 LG768631131 or 768631131. Listed at 11 retailers as of October 29, 2026, with prices from $2,043 to $13,800, a $11,757 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 angle40°
Pavilion angle32.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768631131
Dimensions10.44 × 10.44 × 7.15 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
10.44 mm10.44 mm3.15 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768631131
Side View
Table 59.0%Crown 40°Girdle: STK-THKPavilion 32.4°Culet: NoneDepth 66.4%

Caratlytics Score

How it works →
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: $13,800 CAD|Low: $1,777 CAD|High: $17,383 CAD|Avg: $6,179 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
October 30, 2026
Retailer 6$1,777 CAD
Retailer 7$1,940 CAD
Retailer 10$2,043 CAD
Retailer 14$2,097 CAD
Retailer 13$2,960 CAD
Retailer 16$3,337 CAD
Retailer 9$3,397 CAD
Retailer 15$3,670 CAD
Retailer 4$4,728 CAD
Retailer 12$5,090 CAD
Retailer 11$6,429 CAD
Retailer 8$7,432 CAD
Retailer 5$7,649 CAD
Retailer 3$10,297 CAD
Retailer 2$12,904 CAD
Do Amore Diamonds$13,800 CAD

17 data points across 16 retailers

11 retailers$2,043 CAD to $13,800 CAD

A
Cheapest Retailer
-
$2,043 CAD
$1,460 USD
A
Retailer 2
-
$2,097 CAD
$1,498 USD
View
A
Retailer 3
-
$2,960 CAD
$2,115 USD
View
Retailer 4
-
$3,337 CAD
€2,271 EUR
View
Price last confirmed 7 days ago
A
Retailer 5
-
$3,397 CAD
$2,427 USD
View
A
Retailer 6
-
$3,670 CAD
$2,622 USD
View
B+
Retailer 7
-
$5,090 CAD
$3,637 USD
View
B+
Retailer 8
-
$6,429 CAD
£3,617 GBP
View
Retailer 9
-
$10,297 CAD
A$11,319 AUD
View
Price last confirmed 11 days ago
B
Retailer 10
-
$12,904 CAD
$9,220 USD
View
Most Expensive
B
Do Amore Diamonds
27-D4C13AA8D · Oct 30
$13,800 CAD
$9,860 USD
View
10 more retailers have this diamond
Prices start from $2,043 CADSave up to $11,757 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
$2,043 CAD