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Oval|Lab Grown|IGI

3.12ct D IF Oval Lab Grown Diamond

EX • D/IF • IGI LG754594331

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG754594331

Diamond specifications and retailer prices

From $1,239 CAD
$885 USD
As of October 29, 2026
Save $13,233 CAD (91%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $14,472 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.12ct lab-grown oval diamond

This 3.12ct lab-grown oval 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 LG754594331 or 754594331. Listed at 20 retailers as of October 29, 2026, with prices from $1,239 to $14,472, a $13,233 spread on the same certified stone. Brilliant Earth lists it at $14,472. 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

3.12
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754594331
Dimensions11.43 × 11.43 × 8.13 mm
L/W Ratio1.00
Girdle conditionFaceted
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
11.43 mm11.43 mm3.12 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754594331
Side View
Table 58.0%Crown 36.6°Girdle: STK-THKPavilion 39.3°Culet: NoneDepth 63.0%

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: $14,472 CAD|Low: $1,239 CAD|High: $14,472 CAD|Avg: $4,914 CAD
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
Retailer 18
October 30, 2026
Retailer 12$1,239 CAD
Retailer 18$1,356 CAD
Retailer 14$1,708 CAD
Retailer 8$1,763 CAD
Retailer 2$1,894 CAD
Retailer 16$2,307 CAD
Retailer 6$2,672 CAD
Retailer 17$2,974 CAD
Retailer 11$3,272 CAD
Retailer 4$3,327 CAD
Retailer 5$3,583 CAD
Retailer 7$3,797 CAD
Retailer 15$4,125 CAD
Retailer 3$5,418 CAD
Retailer 9$7,635 CAD
Retailer 10$10,437 CAD
Retailer 13$11,001 CAD
Brilliant Earth$14,472 CAD

37 data points across 18 retailers

20 retailers$1,239 CAD to $14,472 CAD

A
Cheapest Retailer
-
$1,239 CAD
$885 USD
A
Retailer 2
-
$1,356 CAD
$969 USD
View
A
Retailer 3
-
$1,640 CAD
$1,172 USD
View
Final sale: no returns
A
Retailer 4
-
$1,708 CAD
$1,220 USD
View
A
Retailer 5
-
$1,763 CAD
$1,260 USD
View
A
Retailer 6
-
$1,894 CAD
£1,065 GBP
View
A
Retailer 7
-
$2,307 CAD
$1,648 USD
View
A
Retailer 8
-
$2,672 CAD
€1,818 EUR
View
A
Retailer 9
-
$2,974 CAD
$2,125 USD
View
A
Retailer 10
-
$3,272 CAD
$2,338 USD
View
A
Retailer 11
-
$3,327 CAD
$2,377 USD
View
A
Retailer 12
-
$3,583 CAD
A$3,938 AUD
View
Retailer 13
-
$3,797 CAD
A$4,174 AUD
View
Price last confirmed 8 days ago
A
Retailer 14
-
$4,125 CAD
$2,947 USD
View
B+
Retailer 15
-
$5,418 CAD
£3,048 GBP
View
Retailer 16
-
$7,635 CAD
$5,455 USD
View
Price last confirmed 11 days ago
Retailer 17
-
$10,437 CAD
A$11,473 AUD
View
Price last confirmed 21 days ago
B
Retailer 18
-
$11,001 CAD
$7,860 USD
View
B
Retailer 19
-
$12,427 CAD
$8,879 USD
View
Most Expensive
B
Brilliant Earth
18707277Y · Oct 29
$14,472 CAD
$10,340 USD
View
19 more retailers have this diamond
Prices start from $1,239 CADSave up to $13,233 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
3.12ct Oval
$1,239 CAD