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Emerald|Lab Grown|IGI

4.28ct D FL Emerald Lab Grown Diamond

ID • D/FL • IGI LG821641255

Shape and cutting style on the report: Emerald cut

Certificate IGI LG821641255

Diamond specifications and retailer prices

From HK$39,942 HKD
$5,091 USD
As of October 29, 2026
Save HK$186,116 HKD (82%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$226,058 HKD at With Clarity · As of October 30, 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 LG821641255 or 821641255. Listed at 14 retailers as of October 29, 2026, with prices from HK$39,942 to HK$226,058, a HK$186,116 spread on the same certified stone. With Clarity lists it at HK$226,058. 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 angle36.4°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821641255
Dimensions11.21 × 7.51 × 4.96 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
11.21 mm7.51 mm4.28 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821641255
Side View
Table 62.0%Crown 36.4°Girdle: MediumPavilion 39.4°Culet: LargeDepth 66.0%

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: HK$95,561 HKD|Low: HK$39,942 HKD|High: HK$262,305 HKD|Avg: HK$105,909 HKD|-46.0%
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 30, 2026
Retailer 11HK$39,942 HKD
Retailer 13HK$50,464 HKD
Retailer 12HK$53,527 HKD
Retailer 6HK$55,275 HKD
Retailer 5HK$63,942 HKD
Retailer 4HK$65,629 HKD
Retailer 8HK$70,023 HKD
Retailer 2HK$79,744 HKD
Retailer 9HK$88,501 HKD
Retailer 7HK$90,484 HKD
Retailer 1HK$95,561 HKD
Retailer 3HK$114,802 HKD
Retailer 10HK$152,129 HKD
With ClarityHK$226,058 HKD

42 data points across 14 retailers

14 retailersHK$39,942 HKD to HK$226,058 HKD

A
Cheapest Retailer
-
HK$39,942 HKD
$5,091 USD
A
Retailer 2
-
HK$50,464 HKD
$6,432 USD
View
A
Retailer 3
-
HK$53,527 HKD
View
A
Retailer 4
-
HK$55,275 HKD
£5,547 GBP
View
Retailer 5
-
HK$63,942 HKD
$8,150 USD
View
Price last confirmed 12 days ago
B+
Retailer 6
-
HK$65,629 HKD
$8,365 USD
View
B+
Retailer 7
-
HK$70,023 HKD
€8,500 EUR
View
B+
Retailer 8
-
HK$79,744 HKD
$10,164 USD
View
B+
Retailer 9
-
HK$88,501 HKD
£8,882 GBP
View
B+
Retailer 10
-
HK$90,484 HKD
ZAR 186,315 ZAR
View
B+
Retailer 11
-
HK$95,561 HKD
$12,180 USD
View
B
Retailer 12
-
HK$114,802 HKD
$14,632 USD
View
B
Retailer 13
-
HK$152,129 HKD
$19,390 USD
View
Most Expensive
B
With Clarity
821641255 · Oct 30
HK$226,058 HKD
$28,813 USD
View
13 more retailers have this diamond
Prices start from HK$39,942 HKDSave up to HK$186,116 HKD

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
HK$39,942 HKD