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Round|Lab Grown|IGI

1.25ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG781641923

Shape and cutting style on the report: Round brilliant

Certificate IGI LG781641923

Diamond specifications and retailer prices

From $508 CAD
$364 USD
As of October 30, 2026
Save $2,774 CAD (85%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $3,282 CAD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.25ct lab-grown round diamond

This 1.25ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG781641923 or 781641923. Listed at 21 retailers as of October 27, 2026, with prices from $508 to $3,282, a $2,774 spread on the same certified stone. Queensmith lists it at $3,282. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781641923
Dimensions6.88 × 6.84 × 4.27 mm
L/W Ratio1.01
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
6.88 mm6.84 mm1.25 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781641923
Side View
Table 58.0%Crown 35.4°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.2%

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 30
Current: $915 CAD|Low: $508 CAD|High: $2,322 CAD|Avg: $1,281 CAD|+1.5%
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
October 31, 2026
Retailer 2$508 CAD
Retailer 12$761 CAD
Retailer 8$782 CAD
Retailer 9$899 CAD
Retailer 1$915 CAD
Retailer 11$971 CAD
Retailer 7$1,007 CAD
Retailer 5$1,085 CAD
Retailer 10$1,372 CAD
Retailer 14$1,657 CAD
Retailer 4$1,678 CAD
Retailer 6$1,878 CAD
Retailer 3$2,230 CAD
Retailer 13$2,267 CAD

41 data points across 14 retailers

21 retailers$508 CAD to $3,282 CAD

Retailer 1
-
$455 CAD
$326 USD
Price last confirmed 21 days ago
A
Retailer 2
-
$508 CAD
$364 USD
View
Final sale: no returns
Retailer 3
-
$528 CAD
$378 USD
View
Price last confirmed 18 days ago
Retailer 4
-
$564 CAD
$404 USD
View
Price last confirmed 15 days ago
Retailer 5
-
$564 CAD
$404 USD
View
Price last confirmed 29 days ago
A
Retailer 6
-
$761 CAD
$545 USD
View
A
Retailer 7
-
$782 CAD
$560 USD
View
A
Retailer 8
-
$899 CAD
£507 GBP
View
A
Retailer 9
-
$915 CAD
€624 EUR
View
A
Retailer 10
-
$971 CAD
ZAR 11,227 ZAR
View
A
Retailer 11
-
$1,007 CAD
£568 GBP
View
A
Retailer 12
-
$1,085 CAD
$777 USD
View
B+
Retailer 13
-
$1,372 CAD
A$1,511 AUD
View
B+
Retailer 14
-
$1,657 CAD
$1,186 USD
View
Retailer 15
-
$1,678 CAD
A$1,848 AUD
View
Price last confirmed 26 days ago
Retailer 16
-
$1,816 CAD
$1,300 USD
View
Price last confirmed 31 days ago
B+
Retailer 17
-
$1,878 CAD
$1,345 USD
View
Retailer 18
-
$1,988 CAD
$1,423 USD
View
Price last confirmed 66 days ago
B
Retailer 19
-
$2,230 CAD
$1,596 USD
View
B+
Retailer 20
-
$2,267 CAD
£1,278 GBP
View
Most Expensive
B
Queensmith
LG781641923 · Oct 27
$3,282 CAD
£1,850 GBP
View
20 more retailers have this diamond
Prices start from $508 CADSave up to $2,774 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
1.25ct Round
$508 CAD