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Asscher|Lab Grown|IGI

4.09ct D FL Asscher Lab Grown Diamond

ID • D/FL • IGI LG780663837

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG780663837

Diamond specifications and retailer prices

From $8,195 NZD
$4,619 USD
As of October 31, 2026
Save $33,096 NZD (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $41,292 NZD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 4.09ct lab-grown asscher diamond

This 4.09ct 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 LG780663837 or 780663837. Listed at 11 retailers as of October 31, 2026, with prices from $8,195 to $41,292, a $33,096 spread on the same certified stone. Taylor and Hart lists it at $41,292. 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

4.09
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29.4°
Pavilion angle42.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780663837
Dimensions8.77 × 8.77 × 5.76 mm
L/W Ratio1.00
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
8.77 mm8.77 mm4.09 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780663837
Side View
Table 62.0%Crown 29.4°Girdle: MED-STKPavilion 42.5°Culet: NoneDepth 65.7%

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 31
Current: $23,883 NZD|Low: $8,195 NZD|High: $59,613 NZD|Avg: $25,945 NZD|-18.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Taylor and Hart
November 1, 2026
Retailer 10$8,195 NZD
Retailer 8$9,764 NZD
Retailer 2$14,989 NZD
Retailer 4$15,080 NZD
Retailer 7$15,206 NZD
Retailer 11$18,231 NZD
Retailer 6$19,476 NZD
Retailer 1$23,883 NZD
Retailer 5$24,858 NZD
Retailer 9$31,930 NZD
Taylor and Hart$41,292 NZD
Retailer 3$59,613 NZD

39 data points across 12 retailers

11 retailers$8,195 NZD to $41,292 NZD

A
Cheapest Retailer
-
$8,195 NZD
$4,619 USD
A
Retailer 2
-
$9,764 NZD
$5,503 USD
View
A
Retailer 3
-
$14,989 NZD
HK$66,000 HKD
View
A
Retailer 4
-
$15,080 NZD
£6,692 GBP
View
Retailer 5
-
$15,206 NZD
$8,570 USD
View
B+
Retailer 6
-
$18,231 NZD
$10,275 USD
View
B+
Retailer 7
-
$19,476 NZD
€10,454 EUR
View
B+
Retailer 8
-
$23,883 NZD
£10,599 GBP
View
B+
Retailer 9
-
$24,858 NZD
$14,010 USD
View
B+
Retailer 10
-
$31,930 NZD
$17,996 USD
View
Most Expensive
B
Taylor and Hart
584E526 · Oct 31
$41,292 NZD
$23,272 USD
View
10 more retailers have this diamond
Prices start from $8,195 NZDSave up to $33,096 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
4.09ct Asscher
$8,195 NZD