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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 $9,176 NZD
£4,072 GBP
As of October 30, 2026
Save $32,768 NZD (78%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $41,944 NZD at With Clarity · As of October 31, 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 $9,176 to $41,944, a $32,768 spread on the same certified stone. With Clarity lists it at $41,944. 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: $10,669 NZD|Low: $9,146 NZD|High: $41,944 NZD|Avg: $16,788 NZD
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
Retailer 16
With Clarity
October 31, 2026
Retailer 15$9,176 NZD
Retailer 8$9,469 NZD
Retailer 10$9,984 NZD
Retailer 1$10,669 NZD
Retailer 6$12,103 NZD
Retailer 13$13,241 NZD
Retailer 9$14,053 NZD
Retailer 11$15,683 NZD
Retailer 7$16,004 NZD
Retailer 4$16,426 NZD
Retailer 2$18,053 NZD
Retailer 3$22,471 NZD
Retailer 16$23,378 NZD
Retailer 14$25,443 NZD
Retailer 5$26,396 NZD
Retailer 12$38,297 NZD
With Clarity$41,944 NZD

28 data points across 17 retailers

25 retailers$9,176 NZD to $41,944 NZD

A
Cheapest Retailer
-
$9,176 NZD
£4,072 GBP
A
Retailer 2
-
$9,469 NZD
$5,337 USD
View
A
Retailer 3
-
$9,984 NZD
$5,627 USD
View
A
Retailer 4
-
$10,076 NZD
$5,679 USD
View
A
Retailer 5
-
$10,669 NZD
$6,013 USD
View
Final sale: no returns
A
Retailer 6
-
$10,985 NZD
$6,191 USD
View
Retailer 7
-
$10,985 NZD
$6,191 USD
View
Price last confirmed 15 days ago
A
Retailer 8
-
$11,010 NZD
$6,205 USD
View
A
Retailer 9
-
$11,712 NZD
$6,601 USD
View
A
Retailer 10
-
$12,103 NZD
$6,821 USD
View
A
Retailer 11
-
$13,039 NZD
$7,349 USD
View
A
Retailer 12
-
$13,241 NZD
HK$58,300 HKD
View
A
Retailer 13
-
$14,053 NZD
£6,236 GBP
View
B+
Retailer 14
-
$15,683 NZD
£6,960 GBP
View
Retailer 15
-
$16,004 NZD
$9,020 USD
View
Price last confirmed 13 days ago
B+
Retailer 16
-
$16,426 NZD
$9,258 USD
View
B+
Retailer 17
-
$18,053 NZD
€9,690 EUR
View
B+
Retailer 18
-
$22,471 NZD
£9,972 GBP
View
B+
Retailer 19
-
$23,378 NZD
ZAR 212,860 ZAR
View
B+
Retailer 20
-
$25,443 NZD
$14,340 USD
View
B+
Retailer 21
-
$26,396 NZD
$14,877 USD
View
B
Retailer 22
-
$30,547 NZD
$17,216 USD
View
B
Retailer 23
-
$38,297 NZD
SGD 29,168 SGD
View
B
Retailer 24
-
$39,079 NZD
$22,025 USD
View
Most Expensive
B
With Clarity
831604049 · Oct 31
$41,944 NZD
$23,640 USD
View
24 more retailers have this diamond
Prices start from $9,176 NZDSave up to $32,768 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
$9,176 NZD