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Asscher|Lab Grown|IGI

3.11ct D SI1 Asscher Lab Grown Diamond

GD • D/SI1 • IGI LG478109494

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG478109494

Diamond specifications and retailer prices

From $773 AUD
As of November 2, 2026
Save $3,606 AUD (82%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $4,378 AUD at Rare Carat · As of November 1, 2026
View at Rare Carat

About this 3.11ct lab-grown asscher diamond

This 3.11ct lab-grown asscher sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG478109494 or 478109494. Listed at 16 retailers as of November 1, 2026, with prices from $773 to $4,378, a $3,606 spread on the same certified stone. Rare Carat lists it at $4,378. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.11
Carat
D
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle16.1°
Pavilion angle47.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG478109494
Dimensions8.05 × 8.03 × 5.24 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
8.05 mm8.03 mm3.11 ctD / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG478109494
Side View
Table 66.5%Crown 16.1°Girdle: MediumPavilion 47.9°Culet: NoneDepth 65.3%

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: Nov 2
Current: $4,378 AUD|Low: $773 AUD|High: $13,736 AUD|Avg: $1,952 AUD|-1.4%
Rare Carat
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 3, 2026
Retailer 8$773 AUD
Retailer 4$866 AUD
Retailer 12$866 AUD
Retailer 3$959 AUD
Retailer 9$959 AUD
Retailer 13$1,250 AUD
Retailer 5$1,360 AUD
Retailer 10$1,443 AUD
Retailer 2$1,491 AUD
Retailer 7$2,471 AUD
Retailer 11$2,520 AUD
Retailer 6$3,998 AUD
Rare Carat$4,378 AUD

42 data points across 13 retailers

16 retailers$773 AUD to $4,378 AUD

A
Cheapest Retailer
-
$773 AUD
B+
Retailer 2
-
$866 AUD
View
Final sale: no returns
B+
Retailer 3
-
$866 AUD
View
B+
Retailer 4
-
$959 AUD
View
Retailer 5
-
$959 AUD
View
Price last confirmed 21 days ago
B+
Retailer 6
-
$1,041 AUD
View
B+
Retailer 7
-
$1,150 AUD
View
B+
Retailer 8
-
$1,250 AUD
View
B+
Retailer 9
-
$1,360 AUD
View
Retailer 10
-
$1,443 AUD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
$1,491 AUD
View
B
Retailer 12
-
$2,471 AUD
View
B
Retailer 13
-
$2,520 AUD
View
B
Retailer 14
-
$3,998 AUD
View
C
Retailer 15
-
$4,233 AUD
View
Most Expensive
C
Rare Carat
284-11_l_478109494 · Nov 1
$4,378 AUD
$3,065 USD
View
15 more retailers have this diamond
Prices start from $773 AUDSave up to $3,606 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
3.11ct Asscher
$773 AUD