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Emerald|Lab Grown|IGI

4.28ct D FL Emerald Lab Grown Diamond

ID • D/FL • IGI LG821641253

Shape and cutting style on the report: Emerald cut

Certificate IGI LG821641253

Diamond specifications and retailer prices

From €4,557 EUR
$5,091 USD
As of October 30, 2026
Save €21,233 EUR (82%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €25,790 EUR at With Clarity · As of October 31, 2026
View at With Clarity

About this 4.28ct lab-grown emerald diamond

This 4.28ct lab-grown emerald sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG821641253 or 821641253. Listed at 14 retailers as of October 30, 2026, with prices from €4,557 to €25,790, a €21,233 spread on the same certified stone. With Clarity lists it at €25,790. 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
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.7°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821641253
Dimensions11.27 × 7.54 × 4.93 mm
L/W Ratio1.49
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
11.27 mm7.54 mm4.28 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821641253
Side View
Table 65.0%Crown 31.7°Girdle: MediumPavilion 40.4°Culet: LargeDepth 65.4%

Caratlytics Score

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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 30
Current: €6,306 EUR|Low: €4,557 EUR|High: €29,926 EUR|Avg: €11,605 EUR|-13.9%
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
With Clarity
October 31, 2026
Retailer 11€4,557 EUR
Retailer 13€5,757 EUR
Retailer 12€6,107 EUR
Retailer 1€6,306 EUR
Retailer 5€7,295 EUR
Retailer 4€7,487 EUR
Retailer 8€7,989 EUR
Retailer 2€9,098 EUR
Retailer 9€10,097 EUR
Retailer 7€10,323 EUR
Retailer 6€10,902 EUR
Retailer 3€13,097 EUR
Retailer 10€17,356 EUR
With Clarity€25,790 EUR

42 data points across 14 retailers

14 retailers€4,557 EUR to €25,790 EUR

A
Cheapest Retailer
-
€4,557 EUR
$5,091 USD
A
Retailer 2
-
€5,757 EUR
$6,432 USD
View
A
Retailer 3
-
€6,107 EUR
HK$53,300 HKD
View
A
Retailer 4
-
€6,306 EUR
£5,548 GBP
View
Retailer 5
-
€7,295 EUR
$8,150 USD
View
Price last confirmed 12 days ago
B+
Retailer 6
-
€7,487 EUR
$8,365 USD
View
B+
Retailer 7
-
€7,989 EUR
View
B+
Retailer 8
-
€9,098 EUR
$10,164 USD
View
B+
Retailer 9
-
€10,097 EUR
£8,882 GBP
View
B+
Retailer 10
-
€10,323 EUR
ZAR 186,315 ZAR
View
B+
Retailer 11
-
€10,902 EUR
$12,180 USD
View
B
Retailer 12
-
€13,097 EUR
$14,632 USD
View
B
Retailer 13
-
€17,356 EUR
$19,390 USD
View
Most Expensive
B
With Clarity
821641253 · Oct 31
€25,790 EUR
$28,813 USD
View
13 more retailers have this diamond
Prices start from €4,557 EURSave up to €21,233 EUR

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 Emerald
€4,557 EUR