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Emerald|Lab Grown|IGI

4.51ct D IF Emerald Lab Grown Diamond

EX • D/IF • IGI LG766613792

Shape and cutting style on the report: Emerald cut

Certificate IGI LG766613792

Diamond specifications and retailer prices

From $6,842 AUD
As of November 4, 2026
Save $40,225 AUD (85%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $47,067 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 LG766613792 or 766613792. Listed at 25 retailers as of November 4, 2026, with prices from $6,842 to $47,067, a $40,225 spread on the same certified stone. Do Amore Diamonds lists it at $47,067. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG766613792
Dimensions11.13 × 7.81 × 5.16 mm
L/W Ratio1.43
Culet sizeLong
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
11.13 mm7.81 mm4.51 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG766613792
Side View
Table 63.0%Crown 32.8°Girdle: MediumPavilion 41.5°Culet: LNGDepth 66.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $47,067 AUD|Low: $6,842 AUD|High: $47,067 AUD|Avg: $17,045 AUD
Do Amore Diamonds
Retailer 2
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Retailer 23
November 4, 2026
Retailer 9$6,842 AUD
Retailer 22$7,170 AUD
Retailer 3$7,456 AUD
Retailer 10$7,662 AUD
Retailer 4$7,937 AUD
Retailer 14$7,937 AUD
Retailer 21$7,983 AUD
Retailer 23$8,408 AUD
Retailer 6$10,136 AUD
Retailer 7$10,400 AUD
Retailer 8$10,575 AUD
Retailer 2$11,116 AUD
Retailer 20$11,819 AUD
Retailer 16$12,416 AUD
Retailer 12$15,393 AUD
Retailer 17$17,826 AUD
Retailer 13$18,702 AUD
Retailer 18$19,276 AUD
Retailer 5$21,845 AUD
Retailer 19$23,956 AUD
Retailer 11$30,623 AUD
Retailer 15$31,231 AUD
Do Amore Diamonds$47,067 AUD

43 data points across 23 retailers

25 retailers$6,842 AUD to $47,067 AUD

A
Cheapest Retailer
-
$6,842 AUD
A
Retailer 2
-
$7,170 AUD
View
A
Retailer 3
-
$7,456 AUD
View
A
Retailer 4
-
$7,662 AUD
View
Final sale: no returns
A
Retailer 5
-
$7,937 AUD
View
Retailer 6
-
$7,937 AUD
View
Price last confirmed 19 days ago
A
Retailer 7
-
$7,983 AUD
View
A
Retailer 8
-
$8,408 AUD
View
A
Retailer 9
-
$10,136 AUD
View
A
Retailer 10
-
$10,400 AUD
View
A
Retailer 11
-
$10,575 AUD
View
A
Retailer 12
-
$11,116 AUD
View
A
Retailer 13
-
$11,819 AUD
View
B+
Retailer 14
-
$12,416 AUD
View
Retailer 15
-
$14,956 AUD
View
Price last confirmed 9 days ago
Retailer 16
-
$15,002 AUD
View
Price last confirmed 26 days ago
B+
Retailer 17
-
$15,393 AUD
View
B+
Retailer 18
-
$17,826 AUD
View
B+
Retailer 19
-
$18,702 AUD
View
B
Retailer 20
-
$19,276 AUD
View
B
Retailer 21
-
$21,845 AUD
View
B
Retailer 22
-
$23,956 AUD
View
B
Retailer 23
-
$30,623 AUD
View
B
Retailer 24
-
$31,231 AUD
View
Most Expensive
B
Do Amore Diamonds
27-45F8B066F · Nov 4
$47,067 AUD
$32,870 USD
View
24 more retailers have this diamond
Prices start from $6,842 AUDSave up to $40,225 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
$6,842 AUD