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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 $8,562 AUD
$6,014 USD
As of October 30, 2026
Save $27,243 AUD (76%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $35,804 AUD 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 30, 2026, with prices from $8,562 to $35,804, a $27,243 spread on the same certified stone. Taylor and Hart lists it at $35,804. 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 30
Current: $18,977 AUD|Low: $8,562 AUD|High: $35,804 AUD|Avg: $19,651 AUD|-46.6%
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 9$8,562 AUD
Retailer 12$8,603 AUD
Retailer 5$12,953 AUD
Retailer 3$13,229 AUD
Retailer 2$16,087 AUD
Retailer 10$17,029 AUD
Retailer 7$17,194 AUD
Retailer 4$17,728 AUD
Retailer 1$18,977 AUD
Retailer 8$20,754 AUD
Retailer 6$21,978 AUD
Retailer 11$28,187 AUD
Taylor and Hart$35,804 AUD

42 data points across 13 retailers

13 retailers$8,562 AUD to $35,804 AUD

A
Cheapest Retailer
-
$8,562 AUD
$6,014 USD
A
Retailer 2
-
$8,603 AUD
$6,043 USD
View
B+
Retailer 3
-
$12,953 AUD
£7,164 GBP
View
B+
Retailer 4
-
$13,229 AUD
HK$72,600 HKD
View
B+
Retailer 5
-
$16,087 AUD
$11,300 USD
View
B+
Retailer 6
-
$17,029 AUD
$11,962 USD
View
B+
Retailer 7
-
$17,194 AUD
€11,503 EUR
View
B+
Retailer 8
-
$17,728 AUD
$12,453 USD
View
B+
Retailer 9
-
$18,977 AUD
$13,330 USD
View
B+
Retailer 10
-
$20,754 AUD
£11,479 GBP
View
B+
Retailer 11
-
$21,978 AUD
ZAR 249,403 ZAR
View
B
Retailer 12
-
$28,187 AUD
$19,800 USD
View
Most Expensive
B
Taylor and Hart
HC5ZI25 · Oct 30
$35,804 AUD
$25,150 USD
View
12 more retailers have this diamond
Prices start from $8,562 AUDSave up to $27,243 AUD

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
$8,562 AUD