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Oval|Lab Grown|IGI

4.28ct E IF Oval Lab Grown Diamond

EX • E/IF • IGI LG688516648

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG688516648

Diamond specifications and retailer prices

From $3,296 CAD
£1,858 GBP
As of October 30, 2026
Save $17,909 CAD (84%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: $21,205 CAD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 4.28ct lab-grown oval diamond

This 4.28ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG688516648 or 688516648. Listed at 28 retailers as of October 29, 2026, with prices from $3,296 to $21,205, a $17,909 spread on the same certified stone. Do Amore Diamonds lists it at $21,205. 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

4.28
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG688516648
Dimensions13.16 × 9.30 × 5.73 mm
L/W Ratio1.42
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
13.16 mm9.30 mm4.28 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG688516648
Side View
Table 59.0%Crown 33.5°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.6%

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 30
Current: $21,205 CAD|Low: $3,285 CAD|High: $21,205 CAD|Avg: $7,632 CAD
Do Amore Diamonds
Retailer 2
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Retailer 25
October 30, 2026
Retailer 2$3,296 CAD
Retailer 14$3,401 CAD
Retailer 3$3,450 CAD
Retailer 4$3,575 CAD
Retailer 17$3,700 CAD
Retailer 22$3,797 CAD
Retailer 21$3,807 CAD
Retailer 25$4,667 CAD
Retailer 8$5,423 CAD
Retailer 13$5,434 CAD
Retailer 23$5,603 CAD
Retailer 9$6,152 CAD
Retailer 24$6,533 CAD
Retailer 15$7,494 CAD
Retailer 19$8,398 CAD
Retailer 10$8,466 CAD
Retailer 12$8,636 CAD
Retailer 11$9,422 CAD
Retailer 6$9,544 CAD
Retailer 5$9,993 CAD
Retailer 20$10,620 CAD
Retailer 7$13,503 CAD
Retailer 18$13,771 CAD
Retailer 16$14,542 CAD
Do Amore Diamonds$21,205 CAD

22 data points across 25 retailers

28 retailers$3,296 CAD to $21,205 CAD

A
Cheapest Retailer
-
$3,296 CAD
£1,858 GBP
Retailer 2
-
$3,401 CAD
$2,435 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$3,450 CAD
$2,470 USD
View
Final sale: no returns
A
Retailer 4
-
$3,575 CAD
$2,559 USD
View
Retailer 5
-
$3,700 CAD
$2,649 USD
View
Price last confirmed 10 days ago
A
Retailer 6
-
$3,797 CAD
$2,718 USD
View
A
Retailer 7
-
$3,807 CAD
$2,725 USD
View
A
Retailer 8
-
$4,667 CAD
HK$26,100 HKD
View
Retailer 9
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$4,955 CAD
$3,547 USD
View
Price last confirmed 18 days ago
A
Retailer 10
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$5,423 CAD
$3,882 USD
View
A
Retailer 11
-
$5,434 CAD
£3,063 GBP
View
A
Retailer 12
-
$5,603 CAD
$4,011 USD
View
Retailer 13
-
$6,152 CAD
$4,404 USD
View
Price last confirmed 7 days ago
A
Retailer 14
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$6,533 CAD
$4,677 USD
View
A
Retailer 15
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$7,494 CAD
£4,224 GBP
View
A
Retailer 16
-
$8,398 CAD
ZAR 97,128 ZAR
View
Retailer 17
-
$8,466 CAD
A$9,324 AUD
View
Price last confirmed 8 days ago
Retailer 18
-
$9,422 CAD
$6,745 USD
View
Price last confirmed 9 days ago
B+
Retailer 19
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$9,544 CAD
$6,832 USD
View
B+
Retailer 20
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$9,993 CAD
$7,153 USD
View
B+
Retailer 21
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$10,221 CAD
$7,317 USD
View
B+
Retailer 22
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$10,620 CAD
£5,986 GBP
View
Retailer 23
-
$13,164 CAD
£7,420 GBP
View
Price last confirmed 21 days ago
B
Retailer 24
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$13,503 CAD
SGD 13,063 SGD
View
B
Retailer 25
-
$13,771 CAD
$9,859 USD
View
B+
Retailer 26
-
$14,542 CAD
$10,410 USD
View
B
Retailer 27
-
$14,542 CAD
$10,410 USD
View
Most Expensive
B
Do Amore Diamonds
27-DF53EF8B5 · Oct 29
$21,205 CAD
$15,180 USD
View
27 more retailers have this diamond
Prices start from $3,296 CADSave up to $17,909 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
4.28ct Oval
$3,296 CAD