Emerald|Lab Grown|IGI

4.28ct D IF Emerald Lab Grown Diamond

ID • D/IF • IGI LG754563514

Certificate IGI LG754563514

Diamond specifications and retailer prices

From $4,250 USD
Save $16,880 USD (80%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $21,130 USD at Brilliant Earth
View at Brilliant Earth

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 LG754563514 or 754563514. Listed at 21 retailers, with prices from $4,250 to $21,130 at Brilliant Earth, a $16,880 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 angle30.3°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754563514
Dimensions7.78 × 7.78 × 11.03 mm
L/W Ratio1.00
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
7.78 mm7.78 mm4.28 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754563514
Side View
Table 66.0%Crown 30.3°Girdle: Slightly ThickPavilion 39.2°Culet: LargeDepth 64.3%

Caratlytics Score

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

Price History

Last verified: Sep 30
Current: $21,130 USD|Low: $4,250 USD|High: $21,130 USD|Avg: $10,621 USD
Brilliant Earth
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
Retailer 21
October 1, 2026
Retailer 5$4,250 USD
Retailer 20$4,454 USD
Retailer 3$4,668 USD
Retailer 10$4,754 USD
Retailer 6$4,862 USD
Retailer 4$5,675 USD
Retailer 14$6,705 USD
Retailer 9$6,726 USD
Retailer 17$6,800 USD
Retailer 11$6,912 USD
Retailer 15$7,181 USD
Retailer 7$7,681 USD
Retailer 19$8,745 USD
Retailer 13$11,371 USD
Retailer 16$11,403 USD
Retailer 18$11,429 USD
Retailer 8$14,689 USD
Retailer 2$16,502 USD
Retailer 12$19,476 USD
Retailer 21$20,008 USD
Brilliant Earth$21,130 USD

35 data points across 21 retailers

21 retailers$4,250 USD to $21,130 USD

A
Cheapest Retailer
-
$4,250 USD
A
Retailer 2
-
$4,454 USD
View
A
Retailer 3
-
$4,668 USD
View
A
Retailer 4
-
$4,754 USD
View
A
Retailer 5
-
$4,862 USD
View
A
Retailer 6
-
$5,675 USD
View
A
Retailer 7
-
$6,726 USD
View
A
Retailer 8
-
$6,800 USD
View
A
Retailer 9
-
$6,912 USD
HK$54,000 HKD
View
A
Retailer 10
-
$7,022 USD
£5,529 GBP
View
Price last confirmed 21 days ago
A
Retailer 11
-
$7,169 USD
£5,645 GBP
View
A
Retailer 12
-
$7,681 USD
£6,048 GBP
View
B+
Retailer 13
-
$8,745 USD
€8,329 EUR
View
B+
Retailer 14
-
$11,371 USD
ZAR 183,703 ZAR
View
B+
Retailer 15
-
$11,403 USD
£8,979 GBP
View
B+
Retailer 16
-
$11,429 USD
View
B
Retailer 17
-
$14,689 USD
View
B
Retailer 18
-
$16,502 USD
A$25,388 AUD
View
B
Retailer 19
-
$19,476 USD
View
B
Retailer 20
-
$20,008 USD
SGD 27,038 SGD
View
Most Expensive
B
Brilliant Earth
18669406Y · Sep 29
$21,130 USD
View
20 more retailers have this diamond
Prices start from $4,250 USDSave up to $16,880 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.

A
4.28ct Emerald
$4,250 USD