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Asscher|Lab Grown|IGI

3.09ct D FL Asscher Lab Grown Diamond

EX • D/FL • IGI LG839676257

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG839676257

Diamond specifications and retailer prices

From €4,509 EUR
$5,037 USD
As of October 31, 2026
Save €11,521 EUR (72%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €16,029 EUR at Michael Trio · As of October 31, 2026
View at Michael Trio

About this 3.09ct lab-grown asscher diamond

This 3.09ct 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 LG839676257 or 839676257. Listed at 15 retailers as of October 31, 2026, with prices from €4,509 to €16,029, a €11,521 spread on the same certified stone. Michael Trio lists it at €16,029. 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

3.09
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839676257
Dimensions8.08 × 7.93 × 5.26 mm
L/W Ratio1.02
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
8.08 mm7.93 mm3.09 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839676257
Side View
Table 68.0%Crown 35.1°Girdle: MediumPavilion 40.9°Culet: NoneDepth 66.3%

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: €16,029 EUR|Low: €4,509 EUR|High: €16,227 EUR|Avg: €7,357 EUR|-1.2%
Michael Trio
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 3€4,509 EUR
Retailer 13€4,704 EUR
Retailer 5€4,709 EUR
Retailer 10€5,534 EUR
Retailer 2€5,557 EUR
Retailer 6€6,063 EUR
Retailer 12€6,078 EUR
Retailer 4€6,589 EUR
Retailer 11€7,226 EUR
Retailer 8€7,605 EUR
Retailer 9€9,723 EUR
Retailer 7€10,844 EUR
Michael Trio€16,029 EUR

19 data points across 13 retailers

15 retailers€4,509 EUR to €16,029 EUR

A
Cheapest Retailer
-
€4,509 EUR
$5,037 USD
Final sale: no returns
A
Retailer 2
-
€4,704 EUR
$5,255 USD
View
Retailer 3
-
€4,709 EUR
$5,261 USD
View
Price last confirmed 15 days ago
B+
Retailer 4
-
€5,534 EUR
HK$48,300 HKD
View
B+
Retailer 5
-
€5,557 EUR
£4,889 GBP
View
B+
Retailer 6
-
€6,063 EUR
£5,333 GBP
View
B+
Retailer 7
-
€6,078 EUR
$6,790 USD
View
B+
Retailer 8
-
€6,589 EUR
£5,796 GBP
View
B+
Retailer 9
-
€7,226 EUR
$8,073 USD
View
B+
Retailer 10
-
€7,605 EUR
View
B
Retailer 11
-
€8,450 EUR
$9,440 USD
View
B
Retailer 12
-
€9,723 EUR
£8,553 GBP
View
B
Retailer 13
-
€10,844 EUR
ZAR 195,717 ZAR
View
B
Retailer 14
-
€11,654 EUR
$13,020 USD
View
Most Expensive
B
Michael Trio
1817752423 · Oct 31
€16,029 EUR
SGD 24,200 SGD
View
14 more retailers have this diamond
Prices start from €4,509 EURSave up to €11,521 EUR

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
3.09ct Asscher
€4,509 EUR