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Emerald|Lab Grown|IGI

4.51ct D IF Emerald Lab Grown Diamond

ID • D/IF • IGI LG738511294

Shape and cutting style on the report: Emerald cut

Certificate IGI LG738511294

Diamond specifications and retailer prices

From $7,231 AUD
As of November 4, 2026
Save $26,340 AUD (78%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $33,571 AUD at With Clarity · As of November 4, 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 LG738511294 or 738511294. Listed at 27 retailers as of November 4, 2026, with prices from $7,231 to $33,571, a $26,340 spread on the same certified stone. With Clarity lists it at $33,571. 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 angle33.1°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG738511294
Dimensions10.98 × 7.81 × 5.30 mm
L/W Ratio1.41
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
10.98 mm7.81 mm4.51 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG738511294
Side View
Table 61.0%Crown 33.1°Girdle: MediumPavilion 40.2°Culet: LargeDepth 67.9%

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: Nov 4
Current: $23,323 AUD|Low: $7,231 AUD|High: $33,571 AUD|Avg: $15,676 AUD|-4.9%
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
With Clarity
November 4, 2026
Retailer 15$7,231 AUD
Retailer 20$7,579 AUD
Retailer 6$8,511 AUD
Retailer 8$8,818 AUD
Retailer 9$8,835 AUD
Retailer 17$9,957 AUD
Retailer 12$10,519 AUD
Retailer 16$10,628 AUD
Retailer 11$11,333 AUD
Retailer 10$13,632 AUD
Retailer 7$14,558 AUD
Retailer 13$16,619 AUD
Retailer 18$17,909 AUD
Retailer 2$17,940 AUD
Retailer 3$19,405 AUD
Retailer 5$19,789 AUD
Retailer 19$22,731 AUD
Retailer 1$23,323 AUD
Retailer 4$25,073 AUD
Retailer 14$30,647 AUD
With Clarity$33,571 AUD

33 data points across 21 retailers

27 retailers$7,231 AUD to $33,571 AUD

A
Cheapest Retailer
-
$7,231 AUD
A
Retailer 2
-
$7,579 AUD
View
A
Retailer 3
-
$8,106 AUD
View
A
Retailer 4
-
$8,511 AUD
View
Final sale: no returns
A
Retailer 5
-
$8,818 AUD
View
Retailer 6
-
$8,818 AUD
View
Price last confirmed 25 days ago
A
Retailer 7
-
$8,835 AUD
View
A
Retailer 8
-
$9,957 AUD
View
A
Retailer 9
-
$10,519 AUD
View
A
Retailer 10
-
$10,628 AUD
View
A
Retailer 11
-
$11,124 AUD
View
A
Retailer 12
-
$11,333 AUD
View
Retailer 13
-
$12,485 AUD
View
Price last confirmed 87 days ago
B+
Retailer 14
-
$12,503 AUD
View
B+
Retailer 15
-
$13,632 AUD
View
B+
Retailer 16
-
$14,558 AUD
View
B+
Retailer 17
-
$16,619 AUD
View
B+
Retailer 18
-
$17,909 AUD
View
B+
Retailer 19
-
$17,940 AUD
View
B
Retailer 20
-
$19,405 AUD
View
B
Retailer 21
-
$19,789 AUD
View
B
Retailer 22
-
$22,731 AUD
View
B
Retailer 23
-
$23,323 AUD
View
B
Retailer 24
-
$25,073 AUD
View
B
Retailer 25
-
$30,647 AUD
View
B
Retailer 26
-
$31,397 AUD
View
Most Expensive
B
With Clarity
738511294 · Nov 4
$33,571 AUD
$23,445 USD
View
26 more retailers have this diamond
Prices start from $7,231 AUDSave up to $26,340 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
$7,231 AUD