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Round|Lab Grown|IGI

2.51ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG825666387

Shape and cutting style on the report: Round brilliant

Certificate IGI LG825666387

Diamond specifications and retailer prices

From $1,539 CAD
$1,102 USD
As of October 29, 2026
Save $4,704 CAD (75%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $8,333 CAD at Rare Carat · As of October 14, 2026
View at Rare Carat

About this 2.51ct lab-grown round diamond

This 2.51ct lab-grown round sits in the two to three carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG825666387 or 825666387. Listed at 20 retailers as of October 29, 2026, with a 306% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

2.51
Carat
E
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825666387
Dimensions8.85 × 8.89 × 5.26 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
8.85 mm8.89 mm2.51 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825666387
Side View
Table 58.0%Crown 32.9°Girdle: MediumPavilion 40.6°Culet: NoneDepth 59.3%

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: $8,333 CAD|Low: $1,532 CAD|High: $8,333 CAD|Avg: $3,552 CAD
Rare Carat
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
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Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 30, 2026
Retailer 9$1,539 CAD
Retailer 5$1,675 CAD
Retailer 6$1,722 CAD
Retailer 12$1,852 CAD
Retailer 14$2,131 CAD
Retailer 10$2,220 CAD
Retailer 15$2,578 CAD
Retailer 8$2,685 CAD
Retailer 3$2,752 CAD
Retailer 11$2,773 CAD
Retailer 18$2,851 CAD
Retailer 2$3,270 CAD
Retailer 4$3,347 CAD
Retailer 7$4,604 CAD
Retailer 16$4,607 CAD
Retailer 19$5,171 CAD
Retailer 20$5,688 CAD
Retailer 17$5,767 CAD
Retailer 13$6,243 CAD
Rare Carat$8,333 CAD

27 data points across 20 retailers

20 retailers$1,539 CAD to $6,243 CAD

A
Cheapest Retailer
-
$1,539 CAD
$1,102 USD
A
Retailer 2
-
$1,675 CAD
$1,199 USD
View
A
Retailer 3
-
$1,722 CAD
$1,233 USD
View
Final sale: no returns
Retailer 4
-
$1,852 CAD
$1,326 USD
View
Price last confirmed 18 days ago
A
Retailer 5
-
$2,131 CAD
£1,201 GBP
View
A
Retailer 6
-
$2,220 CAD
$1,589 USD
View
A
Retailer 7
-
$2,578 CAD
£1,453 GBP
View
A
Retailer 8
-
$2,685 CAD
$1,922 USD
View
A
Retailer 9
-
$2,752 CAD
$1,970 USD
View
B+
Retailer 10
-
$2,773 CAD
$1,985 USD
View
A
Retailer 11
-
$2,851 CAD
€1,944 EUR
View
B+
Retailer 12
-
$3,270 CAD
$2,341 USD
View
B+
Retailer 13
-
$3,347 CAD
$2,396 USD
View
B+
Retailer 14
-
$4,604 CAD
$3,296 USD
View
B+
Retailer 15
-
$4,607 CAD
ZAR 53,281 ZAR
View
B+
Retailer 16
-
$5,171 CAD
$3,702 USD
View
B+
Retailer 17
-
$5,688 CAD
$4,072 USD
View
B
Retailer 18
-
$5,767 CAD
£3,251 GBP
View
B
Retailer 19
-
$6,243 CAD
$4,469 USD
View
Most Expensive
Rare Carat
C526-8A · Oct 14
$8,333 CAD
$5,965 USD
View
Price last confirmed 16 days ago
19 more retailers have this diamond
Prices start from $1,539 CADSave up to $4,704 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
2.51ct Round
$1,539 CAD