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Round|Lab Grown|IGI

1.28ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG787621590

Shape and cutting style on the report: Round brilliant

Certificate IGI LG787621590

Diamond specifications and retailer prices

From $699 CAD
HK$3,900 HKD
As of October 30, 2026
Save $2,842 CAD (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,541 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.28ct lab-grown round diamond

This 1.28ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG787621590 or 787621590. Listed at 13 retailers as of October 29, 2026, with prices from $699 to $3,541, a $2,842 spread on the same certified stone. Brilliant Earth lists it at $3,541. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787621590
Dimensions6.97 × 7.00 × 4.30 mm
L/W Ratio1.00
Girdle conditionFaceted
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
6.97 mm7.00 mm1.28 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787621590
Side View
Table 57.0%Crown 35.3°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.5%

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 30
Current: $3,541 CAD|Low: $699 CAD|High: $4,129 CAD|Avg: $1,670 CAD|-14.2%
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
October 30, 2026
Retailer 12$699 CAD
Retailer 13$854 CAD
Retailer 11$948 CAD
Retailer 7$983 CAD
Retailer 2$1,082 CAD
Retailer 5$1,108 CAD
Retailer 8$1,142 CAD
Retailer 9$1,379 CAD
Retailer 3$2,000 CAD
Retailer 4$2,253 CAD
Retailer 10$2,314 CAD
Retailer 6$2,371 CAD
Brilliant Earth$3,541 CAD

42 data points across 13 retailers

13 retailers$699 CAD to $3,541 CAD

A
Cheapest Retailer
-
$699 CAD
HK$3,900 HKD
A
Retailer 2
-
$854 CAD
$610 USD
View
A
Retailer 3
-
$948 CAD
$677 USD
View
A
Retailer 4
-
$983 CAD
€669 EUR
View
A
Retailer 5
-
$1,082 CAD
£609 GBP
View
A
Retailer 6
-
$1,108 CAD
A$1,218 AUD
View
A
Retailer 7
-
$1,142 CAD
$816 USD
View
B+
Retailer 8
-
$1,379 CAD
$986 USD
View
B+
Retailer 9
-
$2,000 CAD
$1,429 USD
View
Retailer 10
-
$2,253 CAD
$1,610 USD
View
Price last confirmed 23 days ago
B+
Retailer 11
-
$2,314 CAD
$1,653 USD
View
B+
Retailer 12
-
$2,371 CAD
£1,334 GBP
View
Most Expensive
B
Brilliant Earth
19909191A · Oct 29
$3,541 CAD
$2,530 USD
View
12 more retailers have this diamond
Prices start from $699 CADSave up to $2,842 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
1.28ct Round
$699 CAD