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Emerald|Lab Grown|IGI

4.55ct D FL Emerald Lab Grown Diamond

ID • D/FL • IGI LG780661299

Shape and cutting style on the report: Emerald cut

Certificate IGI LG780661299

Diamond specifications and retailer prices

From HK$40,256 HKD
$5,131 USD
As of October 30, 2026
Save HK$236,932 HKD (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$277,189 HKD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 4.55ct lab-grown emerald diamond

This 4.55ct 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 LG780661299 or 780661299. Listed at 15 retailers as of October 30, 2026, with prices from HK$40,256 to HK$277,189, a HK$236,932 spread on the same certified stone. Do Amore Diamonds lists it at HK$277,189. 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

4.55
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.3°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780661299
Dimensions11.05 × 7.88 × 5.10 mm
L/W Ratio1.40
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
11.05 mm7.88 mm4.55 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780661299
Side View
Table 67.0%Crown 31.3°Girdle: MED-STKPavilion 38.3°Culet: LargeDepth 64.7%

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$277,189 HKD|Low: HK$40,256 HKD|High: HK$327,793 HKD|Avg: HK$101,119 HKD|-15.4%
Do Amore Diamonds
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
October 30, 2026
Retailer 9HK$40,256 HKD
Retailer 4HK$42,226 HKD
Retailer 13HK$42,382 HKD
Retailer 15HK$46,878 HKD
Retailer 5HK$48,879 HKD
Retailer 14HK$58,607 HKD
Retailer 3HK$61,244 HKD
Retailer 6HK$61,855 HKD
Retailer 7HK$71,659 HKD
Retailer 12HK$72,212 HKD
Retailer 10HK$90,066 HKD
Retailer 11HK$105,539 HKD
Retailer 2HK$105,760 HKD
Retailer 8HK$129,044 HKD
Do Amore DiamondsHK$277,189 HKD

33 data points across 15 retailers

15 retailersHK$40,256 HKD to HK$277,189 HKD

A
Cheapest Retailer
-
HK$40,256 HKD
$5,131 USD
A
Retailer 2
-
HK$42,226 HKD
$5,382 USD
View
A
Retailer 3
-
HK$42,382 HKD
$5,402 USD
View
A
Retailer 4
-
HK$46,878 HKD
$5,975 USD
View
A
Retailer 5
-
HK$48,879 HKD
$6,230 USD
View
A
Retailer 6
-
HK$58,607 HKD
$7,470 USD
View
A
Retailer 7
-
HK$61,244 HKD
$7,806 USD
View
A
Retailer 8
-
HK$61,855 HKD
$7,884 USD
View
Final sale: no returns
Retailer 9
-
HK$71,659 HKD
$9,134 USD
View
Price last confirmed 81 days ago
B+
Retailer 10
-
HK$72,212 HKD
$9,204 USD
View
B+
Retailer 11
-
HK$90,066 HKD
€10,933 EUR
View
B+
Retailer 12
-
HK$105,539 HKD
£10,592 GBP
View
B+
Retailer 13
-
HK$105,760 HKD
$13,480 USD
View
B+
Retailer 14
-
HK$129,044 HKD
$16,448 USD
View
Most Expensive
B
Do Amore Diamonds
27-07E4EB8F1 · Oct 30
HK$277,189 HKD
$35,330 USD
View
14 more retailers have this diamond
Prices start from HK$40,256 HKDSave up to HK$236,932 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
4.55ct Emerald
HK$40,256 HKD