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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 $11,286 NZD
As of November 3, 2026
Save $37,525 NZD (77%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $48,812 NZD 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 $11,286 to $48,812, a $37,525 spread on the same certified stone. With Clarity lists it at $48,812. 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: $27,783 NZD|Low: $11,286 NZD|High: $51,311 NZD|Avg: $21,974 NZD|-19.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
With Clarity
November 4, 2026
Retailer 7$11,286 NZD
Retailer 8$11,558 NZD
Retailer 2$11,820 NZD
Retailer 6$14,174 NZD
Retailer 5$15,118 NZD
Retailer 3$19,047 NZD
Retailer 9$24,788 NZD
Retailer 1$27,783 NZD
Retailer 4$28,678 NZD
With Clarity$48,812 NZD

38 data points across 10 retailers

11 retailers$11,286 NZD to $48,812 NZD

A
Cheapest Retailer
-
$11,286 NZD
A
Retailer 2
-
$11,558 NZD
View
A
Retailer 3
-
$11,820 NZD
View
B+
Retailer 4
-
$14,174 NZD
View
B+
Retailer 5
-
$15,118 NZD
View
B+
Retailer 6
-
$15,185 NZD
View
B+
Retailer 7
-
$19,047 NZD
View
B+
Retailer 8
-
$24,788 NZD
View
B
Retailer 9
-
$27,783 NZD
View
B
Retailer 10
-
$28,678 NZD
View
Most Expensive
B
With Clarity
828681119 · Nov 3
$48,812 NZD
$27,515 USD
View
10 more retailers have this diamond
Prices start from $11,286 NZDSave up to $37,525 NZD

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
$11,286 NZD