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Emerald|Lab Grown|IGI

4.28ct D IF Emerald Lab Grown Diamond

ID • D/IF • IGI LG828681119

Shape and cutting style on the report: Emerald cut

Certificate IGI LG828681119

Diamond specifications and retailer prices

From $9,069 AUD
As of November 3, 2026
Save $30,154 AUD (77%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $39,223 AUD at With Clarity · As of November 3, 2026
View at With Clarity

About this 4.28ct lab-grown emerald diamond

This 4.28ct 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 LG828681119 or 828681119. Listed at 11 retailers as of November 3, 2026, with prices from $9,069 to $39,223, a $30,154 spread on the same certified stone. With Clarity lists it at $39,223. 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

4.28
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.8°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828681119
Dimensions11.30 × 7.61 × 4.91 mm
L/W Ratio1.48
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
11.30 mm7.61 mm4.28 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828681119
Side View
Table 63.0%Crown 31.8°Girdle: MED-STKPavilion 38.7°Culet: LargeDepth 64.5%

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 3
Current: $9,498 AUD|Low: $9,069 AUD|High: $41,231 AUD|Avg: $17,668 AUD|-7.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
With Clarity
November 4, 2026
Retailer 6$9,069 AUD
Retailer 7$9,287 AUD
Retailer 1$9,498 AUD
Retailer 5$11,390 AUD
Retailer 4$12,148 AUD
Retailer 2$15,306 AUD
Retailer 9$19,919 AUD
Retailer 3$23,045 AUD
Retailer 8$26,392 AUD
With Clarity$39,223 AUD

38 data points across 10 retailers

11 retailers$9,069 AUD to $39,223 AUD

A
Cheapest Retailer
-
$9,069 AUD
A
Retailer 2
-
$9,287 AUD
View
A
Retailer 3
-
$9,498 AUD
View
B+
Retailer 4
-
$11,390 AUD
View
B+
Retailer 5
-
$12,148 AUD
View
B+
Retailer 6
-
$12,202 AUD
View
B+
Retailer 7
-
$15,306 AUD
View
B+
Retailer 8
-
$19,919 AUD
View
B
Retailer 9
-
$23,045 AUD
View
B
Retailer 10
-
$26,392 AUD
View
Most Expensive
B
With Clarity
828681119 · Nov 3
$39,223 AUD
$27,515 USD
View
10 more retailers have this diamond
Prices start from $9,069 AUDSave up to $30,154 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
4.28ct Emerald
$9,069 AUD