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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 HK$40,577 HKD
£4,072 GBP
As of October 30, 2026
Save HK$143,735 HKD (78%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: HK$184,311 HKD 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 HK$40,577 to HK$184,311, a HK$143,735 spread on the same certified stone. With Clarity lists it at HK$184,311. 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
Colour
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

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: Oct 30
Current: HK$58,548 HKD|Low: HK$40,440 HKD|High: HK$175,744 HKD|Avg: HK$80,074 HKD|+0.7%
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 9HK$40,577 HKD
Retailer 6HK$41,873 HKD
Retailer 5HK$43,881 HKD
Retailer 7HK$48,573 HKD
Retailer 3HK$53,516 HKD
Retailer 1HK$58,548 HKD
Retailer 10HK$62,266 HKD
Retailer 4HK$70,768 HKD
Retailer 15HK$72,635 HKD
Retailer 12HK$79,826 HKD
Retailer 13HK$99,361 HKD
Retailer 11HK$103,375 HKD
Retailer 8HK$112,507 HKD
Retailer 2HK$116,720 HKD
Retailer 14HK$168,293 HKD

28 data points across 15 retailers

25 retailersHK$40,577 HKD to HK$184,311 HKD

A
Cheapest Retailer
-
HK$40,577 HKD
£4,072 GBP
A
Retailer 2
-
HK$41,873 HKD
$5,337 USD
View
A
Retailer 3
-
HK$43,881 HKD
$5,593 USD
View
A
Retailer 4
-
HK$44,556 HKD
$5,679 USD
View
A
Retailer 5
-
HK$46,894 HKD
$5,977 USD
View
Final sale: no returns
A
Retailer 6
-
HK$48,573 HKD
$6,191 USD
View
Retailer 7
-
HK$48,573 HKD
$6,191 USD
View
Price last confirmed 14 days ago
A
Retailer 8
-
HK$48,683 HKD
$6,205 USD
View
A
Retailer 9
-
HK$51,789 HKD
$6,601 USD
View
A
Retailer 10
-
HK$53,516 HKD
$6,821 USD
View
A
Retailer 11
-
HK$57,658 HKD
$7,349 USD
View
A
Retailer 12
-
HK$58,548 HKD
View
A
Retailer 13
-
HK$62,266 HKD
£6,249 GBP
View
B+
Retailer 14
-
HK$68,871 HKD
£6,912 GBP
View
Retailer 15
-
HK$70,768 HKD
$9,020 USD
View
Price last confirmed 12 days ago
B+
Retailer 16
-
HK$72,635 HKD
$9,258 USD
View
B+
Retailer 17
-
HK$79,826 HKD
€9,690 EUR
View
B+
Retailer 18
-
HK$99,361 HKD
£9,972 GBP
View
B+
Retailer 19
-
HK$103,375 HKD
ZAR 212,860 ZAR
View
B+
Retailer 20
-
HK$112,507 HKD
$14,340 USD
View
B
Retailer 21
-
HK$116,720 HKD
$14,877 USD
View
B
Retailer 22
-
HK$135,074 HKD
$17,216 USD
View
B
Retailer 23
-
HK$168,293 HKD
SGD 28,987 SGD
View
B
Retailer 24
-
HK$172,802 HKD
$22,025 USD
View
Most Expensive
B
With Clarity
831604049 · Oct 30
HK$184,311 HKD
$23,492 USD
View
24 more retailers have this diamond
Prices start from HK$40,577 HKDSave up to HK$143,735 HKD

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
HK$40,577 HKD