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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 $8,937 NZD
$5,037 USD
As of October 31, 2026
Save $22,837 NZD (72%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $31,774 NZD 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 $8,937 to $31,774, a $22,837 spread on the same certified stone. Michael Trio lists it at $31,774. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $31,774 NZD|Low: $8,937 NZD|High: $32,167 NZD|Avg: $14,529 NZD|-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 31, 2026
Retailer 3$8,937 NZD
Retailer 13$9,324 NZD
Retailer 5$9,335 NZD
Retailer 10$10,969 NZD
Retailer 6$11,049 NZD
Retailer 2$11,918 NZD
Retailer 12$12,047 NZD
Retailer 4$13,060 NZD
Retailer 11$14,324 NZD
Retailer 8$15,076 NZD
Retailer 9$19,273 NZD
Retailer 7$21,495 NZD
Michael Trio$31,774 NZD

19 data points across 13 retailers

15 retailers$8,937 NZD to $31,774 NZD

A
Cheapest Retailer
-
$8,937 NZD
$5,037 USD
Final sale: no returns
A
Retailer 2
-
$9,324 NZD
$5,255 USD
View
Retailer 3
-
$9,335 NZD
$5,261 USD
View
Price last confirmed 15 days ago
B+
Retailer 4
-
$10,969 NZD
HK$48,300 HKD
View
B+
Retailer 5
-
$11,049 NZD
£4,903 GBP
View
B+
Retailer 6
-
$11,918 NZD
£5,289 GBP
View
B+
Retailer 7
-
$12,047 NZD
$6,790 USD
View
B+
Retailer 8
-
$13,060 NZD
£5,796 GBP
View
B+
Retailer 9
-
$14,324 NZD
$8,073 USD
View
B+
Retailer 10
-
$15,076 NZD
€8,092 EUR
View
B
Retailer 11
-
$16,749 NZD
$9,440 USD
View
B
Retailer 12
-
$19,273 NZD
£8,553 GBP
View
B
Retailer 13
-
$21,495 NZD
ZAR 195,717 ZAR
View
B
Retailer 14
-
$23,101 NZD
$13,020 USD
View
Most Expensive
B
Michael Trio
1817752423 · Oct 31
$31,774 NZD
SGD 24,200 SGD
View
14 more retailers have this diamond
Prices start from $8,937 NZDSave up to $22,837 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
3.09ct Asscher
$8,937 NZD