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Round|Lab Grown|IGI

5.12ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG728505108

Shape and cutting style on the report: Round brilliant

Certificate IGI LG728505108

Diamond specifications and retailer prices

From $4,791 CAD
$3,423 USD
As of October 29, 2026
Save $14,734 CAD (75%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $19,525 CAD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 5.12ct lab-grown round diamond

This 5.12ct lab-grown round sits in the over five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG728505108 or 728505108. Listed at 19 retailers as of October 29, 2026, with prices from $4,791 to $19,525, a $14,734 spread on the same certified stone. Taylor and Hart lists it at $19,525. 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

5.12
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG728505108
Dimensions11.08 × 11.02 × 6.81 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
11.08 mm11.02 mm5.12 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG728505108
Side View
Table 59.0%Crown 34.9°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 61.7%

Caratlytics Score

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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 29
Current: $7,389 CAD|Low: $4,155 CAD|High: $21,004 CAD|Avg: $9,043 CAD|-5.3%
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
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Retailer 17
Retailer 18
Taylor and Hart
October 30, 2026
Retailer 16$4,155 CAD
Retailer 9$4,791 CAD
Retailer 5$5,214 CAD
Retailer 7$5,365 CAD
Retailer 2$5,491 CAD
Retailer 8$5,558 CAD
Retailer 10$5,558 CAD
Retailer 18$6,945 CAD
Retailer 1$7,389 CAD
Retailer 17$7,667 CAD
Retailer 15$7,670 CAD
Retailer 13$8,050 CAD
Retailer 11$11,291 CAD
Retailer 4$11,303 CAD
Retailer 14$11,362 CAD
Retailer 6$13,933 CAD
Retailer 12$14,163 CAD
Retailer 3$15,423 CAD
Taylor and Hart$19,525 CAD

29 data points across 19 retailers

19 retailers$4,791 CAD to $19,525 CAD

Retailer 1
-
$4,155 CAD
£2,337 GBP
Price last confirmed 13 days ago
A
Retailer 2
-
$4,791 CAD
$3,423 USD
View
A
Retailer 3
-
$5,214 CAD
$3,725 USD
View
A
Retailer 4
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$5,365 CAD
$3,833 USD
View
Final sale: no returns
A
Retailer 5
-
$5,491 CAD
$3,923 USD
View
A
Retailer 6
-
$5,558 CAD
$3,971 USD
View
Retailer 7
-
$5,558 CAD
$3,971 USD
View
Price last confirmed 17 days ago
A
Retailer 8
-
$6,945 CAD
$4,962 USD
View
A
Retailer 9
-
$7,389 CAD
£4,157 GBP
View
A
Retailer 10
-
$7,667 CAD
$5,478 USD
View
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Retailer 11
-
$7,670 CAD
$5,480 USD
View
A
Retailer 12
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$8,050 CAD
$5,752 USD
View
A
Retailer 13
-
$11,291 CAD
ZAR 130,324 ZAR
View
A
Retailer 14
-
$11,303 CAD
$8,076 USD
View
Retailer 15
-
$11,362 CAD
A$12,489 AUD
View
Price last confirmed 7 days ago
A
Retailer 16
-
$13,933 CAD
$9,955 USD
View
A
Retailer 17
-
$14,163 CAD
£7,968 GBP
View
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Retailer 18
-
$15,423 CAD
$11,020 USD
View
Most Expensive
A
Taylor and Hart
L94QVO1 · Oct 30
$19,525 CAD
$13,950 USD
View
18 more retailers have this diamond
Prices start from $4,791 CADSave up to $14,734 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
5.12ct Round
$4,791 CAD