Asscher|Lab Grown|IGI

4.25ct D FL Asscher Lab Grown Diamond

ID • D/FL • IGI LG780664254

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG780664254

Diamond specifications and retailer prices

From $4,942 USD
As of October 30, 2026
Save $19,063 USD (79%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $24,005 USD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 4.25ct lab-grown asscher diamond

This 4.25ct lab-grown asscher sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG780664254 or 780664254. Listed at 13 retailers as of October 30, 2026, with prices from $4,942 to $24,005, a $19,063 spread on the same certified stone. Taylor and Hart lists it at $24,005. 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

4.25
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle42.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780664254
Dimensions8.86 × 8.80 × 5.82 mm
L/W Ratio1.01
Culet sizePointed
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
8.86 mm8.80 mm4.25 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780664254
Side View
Table 61.0%Crown 32.7°Girdle: Slightly ThickPavilion 42.7°Culet: NoneDepth 66.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $14,340 USD|Low: $4,942 USD|High: $34,912 USD|Avg: $14,674 USD|-37.9%
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
Taylor and Hart
October 30, 2026
Retailer 13$4,942 USD
Retailer 11$5,703 USD
Retailer 7$8,569 USD
Retailer 10$8,670 USD
Retailer 3$8,781 USD
Retailer 2$10,675 USD
Retailer 8$11,407 USD
Retailer 4$11,763 USD
Retailer 9$14,042 USD
Retailer 1$14,340 USD
Retailer 6$14,609 USD
Retailer 12$18,700 USD
Taylor and Hart$24,005 USD
Retailer 5$34,912 USD

37 data points across 14 retailers

13 retailers$4,942 USD to $24,005 USD

A
Cheapest Retailer
-
$4,942 USD
A
Retailer 2
-
$5,703 USD
View
A
Retailer 3
-
$8,569 USD
£6,748 GBP
View
Retailer 4
-
$8,670 USD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$8,781 USD
HK$68,600 HKD
View
B+
Retailer 6
-
$10,675 USD
View
B+
Retailer 7
-
$11,407 USD
€10,864 EUR
View
B+
Retailer 8
-
$11,763 USD
View
B+
Retailer 9
-
$14,042 USD
£11,057 GBP
View
B+
Retailer 10
-
$14,340 USD
View
B+
Retailer 11
-
$14,609 USD
ZAR 236,011 ZAR
View
B+
Retailer 12
-
$18,700 USD
View
Most Expensive
B
Taylor and Hart
PB6DEY1 · Oct 30
$24,005 USD
View
12 more retailers have this diamond
Prices start from $4,942 USDSave up to $19,063 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. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
4.25ct Asscher
$4,942 USD