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Emerald|Lab Grown|IGI

4.51ct D IF Emerald Lab Grown Diamond

ID • D/IF • IGI LG741584162

Shape and cutting style on the report: Emerald cut

Certificate IGI LG741584162

Diamond specifications and retailer prices

From $6,328 AUD
As of November 4, 2026
Save $21,287 AUD (77%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $27,614 AUD at With Clarity · As of November 3, 2026
View at With Clarity

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 LG741584162 or 741584162. Listed at 27 retailers as of November 3, 2026, with prices from $6,328 to $27,614, a $21,287 spread on the same certified stone. With Clarity lists it at $27,614. 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 angle31.2°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG741584162
Dimensions11.38 × 7.96 × 4.89 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
11.38 mm7.96 mm4.51 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG741584162
Side View
Table 66.0%Crown 31.2°Girdle: Slightly ThickPavilion 40°Culet: LargeDepth 61.4%

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: $9,425 AUD|Low: $6,074 AUD|High: $32,110 AUD|Avg: $13,510 AUD|-14.8%
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
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
With Clarity
November 4, 2026
Retailer 4$6,328 AUD
Retailer 14$6,631 AUD
Retailer 8$6,939 AUD
Retailer 15$7,086 AUD
Retailer 6$7,340 AUD
Retailer 10$7,340 AUD
Retailer 3$7,396 AUD
Retailer 2$8,372 AUD
Retailer 22$8,706 AUD
Retailer 7$9,171 AUD
Retailer 1$9,425 AUD
Retailer 11$10,343 AUD
Retailer 13$10,891 AUD
Retailer 23$10,954 AUD
Retailer 21$11,959 AUD
Retailer 5$13,735 AUD
Retailer 17$15,197 AUD
Retailer 12$15,668 AUD
Retailer 18$16,037 AUD
Retailer 20$20,290 AUD
Retailer 9$20,395 AUD
Retailer 19$24,387 AUD
Retailer 16$26,187 AUD
With Clarity$27,614 AUD

36 data points across 24 retailers

27 retailers$6,328 AUD to $27,614 AUD

A
Cheapest Retailer
-
$6,328 AUD
A
Retailer 2
-
$6,631 AUD
View
A
Retailer 3
-
$6,939 AUD
View
A
Retailer 4
-
$7,086 AUD
View
Final sale: no returns
A
Retailer 5
-
$7,340 AUD
View
Retailer 6
-
$7,340 AUD
View
Price last confirmed 19 days ago
A
Retailer 7
-
$7,396 AUD
View
A
Retailer 8
-
$8,372 AUD
View
A
Retailer 9
-
$8,706 AUD
View
A
Retailer 10
-
$9,171 AUD
View
A
Retailer 11
-
$9,425 AUD
View
A
Retailer 12
-
$10,343 AUD
View
A
Retailer 13
-
$10,891 AUD
View
A
Retailer 14
-
$10,954 AUD
View
A
Retailer 15
-
$11,959 AUD
View
Retailer 16
-
$12,622 AUD
View
Price last confirmed 87 days ago
B+
Retailer 17
-
$13,009 AUD
View
B+
Retailer 18
-
$13,735 AUD
View
Retailer 19
-
$15,002 AUD
View
Price last confirmed 26 days ago
B+
Retailer 20
-
$15,197 AUD
View
B+
Retailer 21
-
$15,668 AUD
View
B+
Retailer 22
-
$16,037 AUD
View
B+
Retailer 23
-
$20,290 AUD
View
B
Retailer 24
-
$20,395 AUD
View
B
Retailer 25
-
$24,387 AUD
View
B
Retailer 26
-
$26,187 AUD
View
Most Expensive
B
With Clarity
741584162 · Nov 3
$27,614 AUD
$19,285 USD
View
26 more retailers have this diamond
Prices start from $6,328 AUDSave up to $21,287 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
$6,328 AUD