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Emerald|Lab Grown|IGI

4.51ct D IF Emerald Lab Grown Diamond

ID • D/IF • IGI LG784623925

Shape and cutting style on the report: Emerald cut

Certificate IGI LG784623925

Diamond specifications and retailer prices

From $7,374 AUD
As of November 4, 2026
Save $25,862 AUD (78%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $50,732 AUD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 4.51ct lab-grown emerald diamond

This 4.51ct lab-grown emerald sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG784623925 or 784623925. Listed at 22 retailers as of October 31, 2026, with a 351% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

4.51
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.1°
Pavilion angle45.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784623925
Dimensions11.64 × 7.75 × 5.08 mm
L/W Ratio1.50
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
11.64 mm7.75 mm4.51 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784623925
Side View
Table 64.0%Crown 31.1°Girdle: MediumPavilion 45.3°Culet: LargeDepth 65.5%

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: Nov 4
Current: $12,011 AUD|Low: $7,079 AUD|High: $33,087 AUD|Avg: $13,695 AUD|-1.5%
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
November 4, 2026
Retailer 15$7,374 AUD
Retailer 5$7,728 AUD
Retailer 7$7,881 AUD
Retailer 8$8,259 AUD
Retailer 4$8,554 AUD
Retailer 17$8,554 AUD
Retailer 14$8,577 AUD
Retailer 13$10,726 AUD
Retailer 3$11,209 AUD
Retailer 1$12,011 AUD
Retailer 2$13,218 AUD
Retailer 9$13,420 AUD
Retailer 11$19,213 AUD
Retailer 10$20,158 AUD
Retailer 12$20,831 AUD
Retailer 16$21,726 AUD
Retailer 6$33,087 AUD

42 data points across 17 retailers

22 retailers$7,374 AUD to $33,236 AUD

A
Cheapest Retailer
-
$7,374 AUD
A
Retailer 2
-
$7,728 AUD
View
A
Retailer 3
-
$7,881 AUD
View
A
Retailer 4
-
$8,259 AUD
View
Final sale: no returns
A
Retailer 5
-
$8,523 AUD
View
Retailer 6
-
$8,554 AUD
View
Price last confirmed 19 days ago
A
Retailer 7
-
$8,554 AUD
View
A
Retailer 8
-
$8,577 AUD
View
A
Retailer 9
-
$10,726 AUD
View
A
Retailer 10
-
$11,209 AUD
View
A
Retailer 11
-
$11,437 AUD
View
A
Retailer 12
-
$12,011 AUD
View
B+
Retailer 13
-
$13,218 AUD
View
B+
Retailer 14
-
$13,420 AUD
View
B+
Retailer 15
-
$19,213 AUD
View
B+
Retailer 16
-
$20,158 AUD
View
B
Retailer 17
-
$20,831 AUD
View
B
Retailer 18
-
$21,726 AUD
View
B
Retailer 19
-
$23,545 AUD
View
B
Retailer 20
-
$33,087 AUD
View
B
Retailer 21
-
$33,236 AUD
View
Most Expensive
Do Amore Diamonds
27-1BD641877 · Nov 4
$50,732 AUD
$35,430 USD
View
Price under review
21 more retailers have this diamond
Prices start from $7,374 AUDSave up to $25,862 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
4.51ct Emerald
$7,374 AUD