Asscher|Lab Grown|IGI

4.25ct D FL Asscher Lab Grown Diamond

EX • D/FL • IGI LG831604049

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG831604049

Diamond specifications and retailer prices

From $5,172 USD
£4,072 GBP
As of October 30, 2026
Save $18,320 USD (78%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $23,492 USD at With Clarity · As of October 30, 2026
View at With Clarity

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 LG831604049 or 831604049. Listed at 25 retailers as of October 30, 2026, with prices from $5,172 to $23,492, a $18,320 spread on the same certified stone. With Clarity lists it at $23,492. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831604049
Dimensions9.14 × 9.07 × 5.76 mm
L/W Ratio1.01
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
9.14 mm9.07 mm4.25 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831604049
Side View
Table 62.0%Crown 32°Girdle: MediumPavilion 40.3°Culet: NoneDepth 63.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $5,172 USD|Low: $5,154 USD|High: $22,400 USD|Avg: $10,251 USD|-0.9%
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
Retailer 14
Retailer 15
October 30, 2026
Retailer 1$5,172 USD
Retailer 5$5,337 USD
Retailer 4$5,593 USD
Retailer 7$6,191 USD
Retailer 2$6,821 USD
Retailer 12$7,411 USD
Retailer 8$7,936 USD
Retailer 3$9,020 USD
Retailer 14$9,258 USD
Retailer 10$10,175 USD
Retailer 11$12,664 USD
Retailer 9$13,176 USD
Retailer 15$14,877 USD
Retailer 13$21,450 USD
Retailer 6$22,400 USD

28 data points across 15 retailers

25 retailers$5,172 USD to $23,492 USD

A
Cheapest Retailer
-
$5,172 USD
£4,072 GBP
A
Retailer 2
-
$5,337 USD
View
A
Retailer 3
-
$5,593 USD
View
A
Retailer 4
-
$5,679 USD
View
A
Retailer 5
-
$5,977 USD
View
Final sale: no returns
A
Retailer 6
-
$6,191 USD
View
Retailer 7
-
$6,191 USD
View
Price last confirmed 13 days ago
A
Retailer 8
-
$6,205 USD
View
A
Retailer 9
-
$6,601 USD
View
A
Retailer 10
-
$6,821 USD
View
A
Retailer 11
-
$7,349 USD
View
A
Retailer 12
-
$7,411 USD
HK$57,900 HKD
View
A
Retailer 13
-
$7,936 USD
£6,249 GBP
View
B+
Retailer 14
-
$8,778 USD
£6,912 GBP
View
Retailer 15
-
$9,020 USD
View
Price last confirmed 11 days ago
B+
Retailer 16
-
$9,258 USD
View
B+
Retailer 17
-
$10,175 USD
€9,690 EUR
View
B+
Retailer 18
-
$12,664 USD
£9,972 GBP
View
B+
Retailer 19
-
$13,176 USD
ZAR 212,860 ZAR
View
B
Retailer 20
-
$14,877 USD
View
B
Retailer 21
-
$17,216 USD
View
B
Retailer 22
-
$21,450 USD
SGD 28,987 SGD
View
B
Retailer 23
-
$22,025 USD
View
B
Retailer 24
-
$22,400 USD
View
Most Expensive
B
With Clarity
831604049 · Oct 30
$23,492 USD
View
24 more retailers have this diamond
Prices start from $5,172 USDSave up to $18,320 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
$5,172 USD