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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 $7,171 AUD
$5,037 USD
As of October 29, 2026
Save $18,323 AUD (72%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $25,494 AUD 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 29, 2026, with prices from $7,171 to $25,494, a $18,323 spread on the same certified stone. Michael Trio lists it at $25,494. 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
Colour
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $25,494 AUD|Low: $7,171 AUD|High: $25,809 AUD|Avg: $11,647 AUD|-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
October 30, 2026
Retailer 3$7,171 AUD
Retailer 13$7,481 AUD
Retailer 5$7,490 AUD
Retailer 10$8,801 AUD
Retailer 2$8,865 AUD
Retailer 6$9,642 AUD
Retailer 12$9,666 AUD
Retailer 4$10,479 AUD
Retailer 11$11,493 AUD
Retailer 8$12,096 AUD
Retailer 9$15,464 AUD
Retailer 7$17,247 AUD
Michael Trio$25,494 AUD

18 data points across 13 retailers

15 retailers$7,171 AUD to $25,494 AUD

A
Cheapest Retailer
-
$7,171 AUD
$5,037 USD
Final sale: no returns
A
Retailer 2
-
$7,481 AUD
$5,255 USD
View
Retailer 3
-
$7,490 AUD
$5,261 USD
View
Price last confirmed 14 days ago
B+
Retailer 4
-
$8,801 AUD
HK$48,300 HKD
View
B+
Retailer 5
-
$8,865 AUD
£4,903 GBP
View
B+
Retailer 6
-
$9,642 AUD
£5,333 GBP
View
B+
Retailer 7
-
$9,666 AUD
$6,790 USD
View
B+
Retailer 8
-
$10,479 AUD
£5,796 GBP
View
B+
Retailer 9
-
$11,493 AUD
$8,073 USD
View
B+
Retailer 10
-
$12,096 AUD
€8,092 EUR
View
B
Retailer 11
-
$13,439 AUD
$9,440 USD
View
B
Retailer 12
-
$15,464 AUD
£8,553 GBP
View
B
Retailer 13
-
$17,247 AUD
ZAR 195,717 ZAR
View
B
Retailer 14
-
$18,535 AUD
$13,020 USD
View
Most Expensive
B
Michael Trio
1817752423 · Oct 31
$25,494 AUD
SGD 24,200 SGD
View
14 more retailers have this diamond
Prices start from $7,171 AUDSave up to $18,323 AUD

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
$7,171 AUD