Round|Lab Grown|IGI

2.78ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG762545352

Shape and cutting style on the report: Round brilliant

Certificate IGI LG762545352

Diamond specifications and retailer prices

From $1,622 CAD
$1,161 USD
As of November 1, 2026
Save $8,645 CAD (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $10,267 CAD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 2.78ct lab-grown round diamond

This 2.78ct lab-grown round sits in the two to three carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG762545352 or 762545352. Listed at 17 retailers as of October 31, 2026, with prices from $1,622 to $10,267, a $8,645 spread on the same certified stone. Brilliant Earth lists it at $10,267. 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

2.78
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG762545352
Dimensions9.10 × 9.14 × 5.47 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
9.10 mm9.14 mm2.78 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG762545352
Side View
Table 59.0%Crown 33.4°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $10,267 CAD|Low: $1,622 CAD|High: $12,865 CAD|Avg: $4,496 CAD|-20.2%
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
November 1, 2026
Retailer 4$1,622 CAD
Retailer 12$2,032 CAD
Retailer 2$2,061 CAD
Retailer 9$2,096 CAD
Retailer 7$2,153 CAD
Retailer 5$2,527 CAD
Retailer 6$3,452 CAD
Retailer 8$3,474 CAD
Retailer 14$4,125 CAD
Retailer 10$5,076 CAD
Retailer 11$5,703 CAD
Retailer 13$7,278 CAD
Retailer 3$9,905 CAD
Brilliant Earth$10,267 CAD

42 data points across 14 retailers

17 retailers$1,622 CAD to $10,267 CAD

A
Cheapest Retailer
-
$1,622 CAD
$1,161 USD
A
Retailer 2
-
$1,752 CAD
HK$9,800 HKD
View
A
Retailer 3
-
$2,032 CAD
$1,455 USD
View
Retailer 4
-
$2,043 CAD
£1,152 GBP
View
Price last confirmed 16 days ago
A
Retailer 5
-
$2,061 CAD
£1,162 GBP
View
A
Retailer 6
-
$2,096 CAD
A$2,308 AUD
View
A
Retailer 7
-
$2,153 CAD
€1,468 EUR
View
A
Retailer 8
-
$2,527 CAD
$1,809 USD
View
B+
Retailer 9
-
$3,452 CAD
$2,471 USD
View
B+
Retailer 10
-
$3,474 CAD
ZAR 40,182 ZAR
View
B+
Retailer 11
-
$4,125 CAD
$2,953 USD
View
B+
Retailer 12
-
$4,808 CAD
$3,442 USD
View
B+
Retailer 13
-
$5,076 CAD
£2,861 GBP
View
Retailer 14
-
$5,703 CAD
A$6,281 AUD
View
Price last confirmed 23 days ago
Retailer 15
-
$7,278 CAD
$5,210 USD
View
Price last confirmed 17 days ago
B
Retailer 16
-
$9,905 CAD
$7,091 USD
View
Most Expensive
B
Brilliant Earth
19080341Y · Oct 31
$10,267 CAD
$7,350 USD
View
16 more retailers have this diamond
Prices start from $1,622 CADSave up to $8,645 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
2.78ct Round
$1,622 CAD