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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 $8,769 NZD
$4,942 USD
As of October 31, 2026
Save $33,824 NZD (79%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $42,592 NZD at Taylor and Hart · As of October 31, 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 31, 2026, with prices from $8,769 to $42,592, a $33,824 spread on the same certified stone. Taylor and Hart lists it at $42,592. 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
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

How it works →
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 31
Current: $15,252 NZD|Low: $8,769 NZD|High: $61,944 NZD|Avg: $25,938 NZD|-20.5%
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
November 1, 2026
Retailer 13$8,769 NZD
Retailer 11$10,119 NZD
Retailer 1$15,252 NZD
Retailer 10$15,383 NZD
Retailer 3$15,580 NZD
Retailer 2$18,941 NZD
Retailer 8$20,240 NZD
Retailer 4$20,871 NZD
Retailer 9$24,915 NZD
Retailer 6$25,443 NZD
Retailer 7$25,921 NZD
Retailer 12$33,179 NZD
Taylor and Hart$42,592 NZD
Retailer 5$61,944 NZD

39 data points across 14 retailers

13 retailers$8,769 NZD to $42,592 NZD

A
Cheapest Retailer
-
$8,769 NZD
$4,942 USD
A
Retailer 2
-
$10,119 NZD
$5,703 USD
View
A
Retailer 3
-
$15,252 NZD
£6,768 GBP
View
Retailer 4
-
$15,383 NZD
$8,670 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
$15,580 NZD
HK$68,600 HKD
View
B+
Retailer 6
-
$18,941 NZD
$10,675 USD
View
B+
Retailer 7
-
$20,240 NZD
€10,864 EUR
View
B+
Retailer 8
-
$20,871 NZD
$11,763 USD
View
B+
Retailer 9
-
$24,915 NZD
£11,057 GBP
View
B+
Retailer 10
-
$25,443 NZD
$14,340 USD
View
B+
Retailer 11
-
$25,921 NZD
ZAR 236,011 ZAR
View
B+
Retailer 12
-
$33,179 NZD
$18,700 USD
View
Most Expensive
B
Taylor and Hart
PB6DEY1 · Oct 31
$42,592 NZD
$24,005 USD
View
12 more retailers have this diamond
Prices start from $8,769 NZDSave up to $33,824 NZD

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
$8,769 NZD