Emerald|Lab Grown|IGI

4.28ct D IF Emerald Lab Grown Diamond

ID • D/IF • IGI LG828681119

Certificate IGI LG828681119

Diamond specifications and retailer prices

From $6,440 USD
Save $21,075 USD (77%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $27,515 USD at With Clarity
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, with prices from $6,440 to $27,515 at With Clarity, a $21,075 spread on the same certified stone. 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
Color
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 →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 1
Current: $8,839 USD|Low: $6,440 USD|High: $28,924 USD|Avg: $12,999 USD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
With Clarity
October 2, 2026
Retailer 2$6,440 USD
Retailer 9$6,726 USD
Retailer 4$6,848 USD
Retailer 5$7,181 USD
Retailer 1$8,839 USD
Retailer 6$11,403 USD
Retailer 7$14,689 USD
Retailer 3$16,502 USD
Retailer 8$19,476 USD
With Clarity$27,515 USD

5 data points across 10 retailers

11 retailers$6,440 USD to $27,515 USD

Cheapest Retailer
-
$6,440 USD
B+
Retailer 2
-
$6,726 USD
View
B+
Retailer 3
-
$6,848 USD
HK$53,500 HKD
View
B+
Retailer 4
-
$7,169 USD
£5,645 GBP
View
B
Retailer 5
-
$8,560 USD
View
Retailer 6
-
$8,839 USD
€8,418 EUR
View
B
Retailer 7
-
$11,403 USD
£8,979 GBP
View
C
Retailer 8
-
$14,689 USD
View
C
Retailer 9
-
$16,502 USD
A$25,388 AUD
View
C
Retailer 10
-
$19,476 USD
View
Most Expensive
C
With Clarity
828681119 · Oct 2
$27,515 USD
View
10 more retailers have this diamond
Prices start from $6,440 USDSave up to $21,075 USD

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.

B+
4.28ct Emerald
$6,440 USD