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Asscher|Lab Grown|IGI

3.21ct D IF Asscher Lab Grown Diamond

EX • D/IF • IGI LG831606324

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG831606324

Diamond specifications and retailer prices

From $4,100 AUD
$2,880 USD
As of October 31, 2026
Save $11,303 AUD (73%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $15,403 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.21ct lab-grown asscher diamond

This 3.21ct lab-grown asscher sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG831606324 or 831606324. Listed at 16 retailers as of October 30, 2026, with prices from $4,100 to $15,403, a $11,303 spread on the same certified stone. Brilliant Earth lists it at $15,403. 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

3.21
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle41.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831606324
Dimensions8.32 × 8.25 × 5.39 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
8.32 mm8.25 mm3.21 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831606324
Side View
Table 62.0%Crown 35.1°Girdle: MediumPavilion 41.8°Culet: NoneDepth 65.3%

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: $15,403 AUD|Low: $4,100 AUD|High: $18,037 AUD|Avg: $9,877 AUD|-14.6%
Brilliant Earth
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
October 31, 2026
Retailer 3$4,100 AUD
Retailer 15$4,477 AUD
Retailer 10$5,068 AUD
Retailer 7$5,220 AUD
Retailer 9$5,692 AUD
Retailer 2$5,735 AUD
Retailer 14$6,067 AUD
Retailer 12$6,752 AUD
Retailer 16$8,049 AUD
Retailer 11$9,861 AUD
Retailer 8$10,728 AUD
Retailer 5$10,788 AUD
Retailer 13$11,430 AUD
Retailer 4$14,233 AUD
Retailer 6$14,813 AUD
Brilliant Earth$15,403 AUD

43 data points across 16 retailers

16 retailers$4,100 AUD to $15,403 AUD

A
Cheapest Retailer
-
$4,100 AUD
$2,880 USD
Final sale: no returns
A
Retailer 2
-
$4,477 AUD
$3,145 USD
View
A
Retailer 3
-
$5,068 AUD
£2,803 GBP
View
A
Retailer 4
-
$5,220 AUD
$3,667 USD
View
A
Retailer 5
-
$5,692 AUD
$3,998 USD
View
A
Retailer 6
-
$5,735 AUD
£3,172 GBP
View
A
Retailer 7
-
$6,067 AUD
$4,262 USD
View
A
Retailer 8
-
$6,752 AUD
€4,517 EUR
View
B+
Retailer 9
-
$8,049 AUD
£4,452 GBP
View
B+
Retailer 10
-
$9,861 AUD
ZAR 111,903 ZAR
View
Retailer 11
-
$10,728 AUD
View
Price last confirmed 22 days ago
B+
Retailer 12
-
$10,788 AUD
$7,578 USD
View
B+
Retailer 13
-
$11,430 AUD
£6,322 GBP
View
B
Retailer 14
-
$14,233 AUD
SGD 13,511 SGD
View
B
Retailer 15
-
$14,813 AUD
$10,405 USD
View
Most Expensive
B
Brilliant Earth
21291936A · Oct 30
$15,403 AUD
$10,820 USD
View
15 more retailers have this diamond
Prices start from $4,100 AUDSave up to $11,303 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
3.21ct Asscher
$4,100 AUD