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Emerald|Lab Grown|IGI

4.50ct D FL Emerald Lab Grown Diamond

ID • D/FL • IGI LG780662916

Shape and cutting style on the report: Emerald cut

Certificate IGI LG780662916

Diamond specifications and retailer prices

From HK$47,188 HKD
$6,014 USD
As of October 29, 2026
Save HK$150,152 HKD (76%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$197,340 HKD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 4.5ct lab-grown emerald diamond

This 4.5ct 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 LG780662916 or 780662916. Listed at 13 retailers as of October 29, 2026, with prices from HK$47,188 to HK$197,340, a HK$150,152 spread on the same certified stone. Taylor and Hart lists it at HK$197,340. 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

4.50
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780662916
Dimensions11.18 × 7.80 × 5.06 mm
L/W Ratio1.43
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
11.18 mm7.80 mm4.50 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780662916
Side View
Table 63.0%Crown 33.8°Girdle: MED-STKPavilion 38.6°Culet: LargeDepth 64.9%

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$71,390 HKD|Low: HK$47,188 HKD|High: HK$197,340 HKD|Avg: HK$108,402 HKD|-9.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Taylor and Hart
October 30, 2026
Retailer 8HK$47,188 HKD
Retailer 11HK$47,416 HKD
Retailer 1HK$71,390 HKD
Retailer 2HK$72,915 HKD
Retailer 12HK$88,664 HKD
Retailer 9HK$93,859 HKD
Retailer 6HK$94,770 HKD
Retailer 3HK$97,711 HKD
Retailer 7HK$114,387 HKD
Retailer 5HK$121,133 HKD
Retailer 10HK$155,359 HKD
Retailer 4HK$190,118 HKD
Taylor and HartHK$197,340 HKD

42 data points across 13 retailers

13 retailersHK$47,188 HKD to HK$197,340 HKD

A
Cheapest Retailer
-
HK$47,188 HKD
$6,014 USD
A
Retailer 2
-
HK$47,416 HKD
$6,043 USD
View
B+
Retailer 3
-
HK$71,390 HKD
£7,164 GBP
View
B+
Retailer 4
-
HK$72,915 HKD
View
B+
Retailer 5
-
HK$88,664 HKD
$11,300 USD
View
B+
Retailer 6
-
HK$93,859 HKD
$11,962 USD
View
B+
Retailer 7
-
HK$94,770 HKD
€11,503 EUR
View
B+
Retailer 8
-
HK$97,711 HKD
$12,453 USD
View
B+
Retailer 9
-
HK$114,387 HKD
£11,479 GBP
View
B+
Retailer 10
-
HK$121,133 HKD
ZAR 249,403 ZAR
View
B
Retailer 11
-
HK$155,359 HKD
$19,800 USD
View
B
Retailer 12
-
HK$190,118 HKD
$24,230 USD
View
Most Expensive
B
Taylor and Hart
HC5ZI25 · Oct 30
HK$197,340 HKD
$25,150 USD
View
12 more retailers have this diamond
Prices start from HK$47,188 HKDSave up to HK$150,152 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
4.50ct Emerald
HK$47,188 HKD