Emerald|Lab Grown|IGI

4.28ct E IF Emerald Lab Grown Diamond

ID • E/IF • IGI LG754507878

Certificate IGI LG754507878

Diamond specifications and retailer prices

From $3,833 USD
Save $14,145 USD (79%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $17,978 USD at Michael Trio
View at Michael Trio

About this 4.28ct lab-grown emerald diamond

This 4.28ct lab-grown emerald 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 LG754507878 or 754507878. Listed at 22 retailers, with prices from $3,833 to $17,978 at Michael Trio, a $14,145 spread on the same certified stone. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29.1°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754507878
Dimensions7.78 × 7.78 × 10.88 mm
L/W Ratio1.00
Culet sizeLarge
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
7.78 mm7.78 mm4.28 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754507878
Side View
Table 65.0%Crown 29.1°Girdle: MediumPavilion 37.9°Culet: LargeDepth 65.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 30
Current: $17,978 USD|Low: $3,833 USD|High: $17,978 USD|Avg: $9,060 USD
Michael Trio
Retailer 2
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Retailer 21
October 1, 2026
Retailer 5$3,833 USD
Retailer 21$4,017 USD
Retailer 3$4,248 USD
Retailer 6$4,385 USD
Retailer 10$5,021 USD
Retailer 4$5,093 USD
Retailer 9$6,042 USD
Retailer 18$6,132 USD
Retailer 12$6,208 USD
Retailer 15$6,446 USD
Retailer 7$6,904 USD
Retailer 17$7,090 USD
Retailer 20$7,848 USD
Retailer 19$9,936 USD
Retailer 13$10,254 USD
Retailer 16$10,283 USD
Retailer 8$13,182 USD
Retailer 2$13,342 USD
Retailer 11$15,400 USD
Retailer 14$17,468 USD
Michael Trio$17,978 USD

35 data points across 21 retailers

22 retailers$3,833 USD to $17,978 USD

A
Cheapest Retailer
-
$3,833 USD
A
Retailer 2
-
$4,017 USD
View
A
Retailer 3
-
$4,248 USD
View
A
Retailer 4
-
$4,385 USD
View
A
Retailer 5
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$5,021 USD
View
A
Retailer 6
-
$5,093 USD
View
A
Retailer 7
-
$6,042 USD
View
A
Retailer 8
-
$6,132 USD
View
A
Retailer 9
-
$6,208 USD
HK$48,500 HKD
View
A
Retailer 10
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$6,319 USD
£4,976 GBP
View
Price last confirmed 21 days ago
A
Retailer 11
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$6,435 USD
£5,067 GBP
View
A
Retailer 12
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$6,904 USD
£5,436 GBP
View
A
Retailer 13
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$7,090 USD
View
B+
Retailer 14
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$7,848 USD
€7,474 EUR
View
B+
Retailer 15
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$9,936 USD
View
B+
Retailer 16
-
$10,254 USD
ZAR 165,661 ZAR
View
B+
Retailer 17
-
$10,283 USD
£8,097 GBP
View
B
Retailer 18
-
$13,182 USD
View
B+
Retailer 19
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$13,342 USD
A$20,526 AUD
View
B
Retailer 20
-
$15,400 USD
View
B
Retailer 21
-
$17,468 USD
View
Most Expensive
B
Michael Trio
9279344470 · Sep 29
$17,978 USD
SGD 24,295 SGD
View
21 more retailers have this diamond
Prices start from $3,833 USDSave up to $14,145 USD

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.

A
4.28ct Emerald
$3,833 USD