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Emerald|Lab Grown|IGI

4.21ct D FL Emerald Lab Grown Diamond

ID • D/FL • IGI LG799676801

Shape and cutting style on the report: Emerald cut

Certificate IGI LG799676801

Diamond specifications and retailer prices

From HK$35,321 HKD
$4,502 USD
As of October 30, 2026
Save HK$207,660 HKD (85%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$242,981 HKD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 4.21ct lab-grown emerald diamond

This 4.21ct 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 LG799676801 or 799676801. Listed at 22 retailers as of October 29, 2026, with prices from HK$35,321 to HK$242,981, a HK$207,660 spread on the same certified stone. Do Amore Diamonds lists it at HK$242,981. 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

4.21
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.7°
Pavilion angle37.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799676801
Dimensions11.20 × 7.67 × 4.89 mm
L/W Ratio1.46
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
11.20 mm7.67 mm4.21 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799676801
Side View
Table 58.0%Crown 30.7°Girdle: MediumPavilion 37.2°Culet: LargeDepth 63.8%

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 30
Current: HK$57,826 HKD|Low: HK$33,909 HKD|High: HK$157,796 HKD|Avg: HK$61,549 HKD|+0.7%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 30, 2026
Retailer 15HK$35,321 HKD
Retailer 10HK$36,749 HKD
Retailer 5HK$37,016 HKD
Retailer 7HK$38,585 HKD
Retailer 8HK$39,550 HKD
Retailer 4HK$40,970 HKD
Retailer 17HK$40,970 HKD
Retailer 14HK$41,268 HKD
Retailer 13HK$52,323 HKD
Retailer 3HK$53,688 HKD
Retailer 1HK$57,826 HKD
Retailer 18HK$63,385 HKD
Retailer 9HK$63,969 HKD
Retailer 16HK$64,962 HKD
Retailer 12HK$92,516 HKD
Retailer 11HK$96,253 HKD
Retailer 2HK$103,563 HKD
Retailer 6HK$157,796 HKD

43 data points across 18 retailers

22 retailersHK$35,321 HKD to HK$242,981 HKD

A
Cheapest Retailer
-
HK$35,321 HKD
$4,502 USD
A
Retailer 2
-
HK$36,749 HKD
$4,684 USD
View
A
Retailer 3
-
HK$37,016 HKD
$4,718 USD
View
A
Retailer 4
-
HK$38,585 HKD
$4,918 USD
View
A
Retailer 5
-
HK$39,550 HKD
$5,041 USD
View
Final sale: no returns
A
Retailer 6
-
HK$40,970 HKD
$5,222 USD
View
Retailer 7
-
HK$40,970 HKD
$5,222 USD
View
Price last confirmed 14 days ago
A
Retailer 8
-
HK$41,268 HKD
$5,260 USD
View
A
Retailer 9
-
HK$52,323 HKD
$6,669 USD
View
A
Retailer 10
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HK$53,688 HKD
$6,843 USD
View
A
Retailer 11
-
HK$54,531 HKD
View
A
Retailer 12
-
HK$57,826 HKD
£5,804 GBP
View
B+
Retailer 13
-
HK$63,385 HKD
$8,079 USD
View
B+
Retailer 14
-
HK$63,969 HKD
£6,420 GBP
View
Retailer 15
-
HK$64,962 HKD
$8,280 USD
View
Price last confirmed 23 days ago
B+
Retailer 16
-
HK$92,516 HKD
£9,285 GBP
View
B+
Retailer 17
-
HK$96,253 HKD
ZAR 198,195 ZAR
View
B
Retailer 18
-
HK$103,563 HKD
$13,200 USD
View
B
Retailer 19
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HK$112,779 HKD
$14,375 USD
View
B
Retailer 20
-
HK$157,796 HKD
SGD 27,179 SGD
View
B
Retailer 21
-
HK$162,313 HKD
$20,688 USD
View
Most Expensive
B
Do Amore Diamonds
27-049F2460B · Oct 29
HK$242,981 HKD
$30,970 USD
View
21 more retailers have this diamond
Prices start from HK$35,321 HKDSave up to HK$207,660 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
4.21ct Emerald
HK$35,321 HKD