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Round|Lab Grown|IGI

1.28ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG790612054

Shape and cutting style on the report: Round brilliant

Certificate IGI LG790612054

Diamond specifications and retailer prices

From $2,307 CAD
$1,648 USD
As of October 29, 2026
Save $2,708 CAD (54%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $8,137 CAD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

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 LG790612054 or 790612054. Listed at 20 retailers as of October 27, 2026, with a 117% 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

1.28
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790612054
Dimensions7.04 × 7.08 × 4.25 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.04 mm7.08 mm1.28 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790612054
Side View
Table 57.0%Crown 33.3°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 60.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $3,777 CAD|Low: $2,214 CAD|High: $8,938 CAD|Avg: $4,086 CAD|+1.4%
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
Retailer 15
Retailer 16
Retailer 17
October 30, 2026
Retailer 17$2,307 CAD
Retailer 14$2,323 CAD
Retailer 7$2,509 CAD
Retailer 9$2,582 CAD
Retailer 2$2,676 CAD
Retailer 4$2,676 CAD
Retailer 6$2,854 CAD
Retailer 16$2,911 CAD
Retailer 1$3,777 CAD
Retailer 3$4,204 CAD
Retailer 12$4,227 CAD
Retailer 15$4,613 CAD
Retailer 13$4,745 CAD
Retailer 10$4,918 CAD
Retailer 8$5,015 CAD
Retailer 11$7,682 CAD
Retailer 5$8,938 CAD

44 data points across 17 retailers

20 retailers$2,307 CAD to $5,015 CAD

B+
Cheapest Retailer
-
$2,307 CAD
$1,648 USD
Retailer 2
-
$2,323 CAD
$1,660 USD
View
Price last confirmed 8 days ago
B+
Retailer 3
-
$2,509 CAD
$1,793 USD
View
B+
Retailer 4
-
$2,582 CAD
$1,845 USD
View
Final sale: no returns
B+
Retailer 5
-
$2,676 CAD
$1,912 USD
View
Retailer 6
-
$2,676 CAD
$1,912 USD
View
Price last confirmed 17 days ago
B
Retailer 7
-
$2,854 CAD
$2,039 USD
View
B+
Retailer 8
-
$2,911 CAD
$2,080 USD
View
B
Retailer 9
-
$3,081 CAD
HK$17,200 HKD
View
B
Retailer 10
-
$3,777 CAD
£2,125 GBP
View
B
Retailer 11
-
$4,204 CAD
$3,004 USD
View
B
Retailer 12
-
$4,227 CAD
€2,876 EUR
View
B
Retailer 13
-
$4,613 CAD
$3,296 USD
View
B
Retailer 14
-
$4,745 CAD
$3,390 USD
View
B
Retailer 15
-
$4,918 CAD
ZAR 56,770 ZAR
View
B
Retailer 16
-
$5,015 CAD
$3,583 USD
View
Retailer 17
-
$7,682 CAD
£4,322 GBP
View
Price under review
Most Expensive
Reve Diamonds
5B170FEB1 · Oct 30
$8,137 CAD
$5,814 USD
View
Price under review
17 more retailers have this diamond
Prices start from $2,307 CADSave up to $2,708 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.

B+
1.28ct Round
$2,307 CAD