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Round|Lab Grown|IGI

1.25ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG783641774

Shape and cutting style on the report: Round brilliant

Certificate IGI LG783641774

Diamond specifications and retailer prices

From $601 CAD
$430 USD
As of October 29, 2026
Save $2,138 CAD (78%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,562 CAD at Brilliant Earth · As of October 14, 2026
View at Brilliant Earth

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 LG783641774 or 783641774. Listed at 22 retailers as of October 26, 2026, with a 356% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle33.3°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783641774
Dimensions7.03 × 7.06 × 4.19 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
7.03 mm7.06 mm1.25 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783641774
Side View
Table 57.0%Crown 33.3°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 59.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $3,562 CAD|Low: $577 CAD|High: $3,562 CAD|Avg: $1,416 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
Retailer 19
Retailer 20
Retailer 21
October 30, 2026
Retailer 3$601 CAD
Retailer 12$671 CAD
Retailer 10$673 CAD
Retailer 7$745 CAD
Retailer 14$745 CAD
Retailer 17$950 CAD
Retailer 9$1,064 CAD
Retailer 21$1,160 CAD
Retailer 19$1,172 CAD
Retailer 13$1,221 CAD
Retailer 4$1,261 CAD
Retailer 15$1,280 CAD
Retailer 5$1,778 CAD
Retailer 2$1,815 CAD
Retailer 6$2,026 CAD
Retailer 16$2,088 CAD
Retailer 8$2,364 CAD
Retailer 11$2,394 CAD
Retailer 20$2,500 CAD
Retailer 18$2,739 CAD
Brilliant Earth$3,562 CAD

38 data points across 21 retailers

22 retailers$601 CAD to $2,739 CAD

A
Cheapest Retailer
-
$601 CAD
$430 USD
A
Retailer 2
-
$671 CAD
$480 USD
View
Final sale: no returns
A
Retailer 3
-
$673 CAD
$482 USD
View
A
Retailer 4
-
$745 CAD
$533 USD
View
A
Retailer 5
-
$745 CAD
$533 USD
View
A
Retailer 6
-
$950 CAD
$680 USD
View
A
Retailer 7
-
$1,064 CAD
$762 USD
View
B+
Retailer 8
-
$1,136 CAD
$813 USD
View
B+
Retailer 9
-
$1,160 CAD
A$1,278 AUD
View
B+
Retailer 10
-
$1,172 CAD
$839 USD
View
B+
Retailer 11
-
$1,221 CAD
£688 GBP
View
B+
Retailer 12
-
$1,280 CAD
ZAR 14,800 ZAR
View
Retailer 13
-
$1,778 CAD
A$1,958 AUD
View
Price last confirmed 23 days ago
B+
Retailer 14
-
$1,815 CAD
A$1,999 AUD
View
Retailer 15
-
$2,026 CAD
$1,450 USD
View
Price last confirmed 24 days ago
B
Retailer 16
-
$2,088 CAD
$1,495 USD
View
Retailer 17
-
$2,364 CAD
SGD 2,287 SGD
View
Price last confirmed 18 days ago
B
Retailer 18
-
$2,394 CAD
$1,714 USD
View
Retailer 19
-
$2,439 CAD
$1,746 USD
View
Price last confirmed 19 days ago
B
Retailer 20
-
$2,500 CAD
$1,790 USD
View
B
Retailer 21
-
$2,739 CAD
£1,544 GBP
View
Most Expensive
Brilliant Earth
19018680A · Oct 14
$3,562 CAD
$2,550 USD
View
Price last confirmed 17 days ago
21 more retailers have this diamond
Prices start from $601 CADSave up to $2,138 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
$601 CAD