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Asscher|Lab Grown|IGI

1.91ct D FL Asscher Lab Grown Diamond

ID • D/FL • IGI LG818659446

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG818659446

Diamond specifications and retailer prices

From $704 AUD
As of November 4, 2026
Save $5,354 AUD (88%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $6,058 AUD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.91ct lab-grown asscher diamond

This 1.91ct lab-grown asscher sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818659446 or 818659446. Listed at 11 retailers as of November 4, 2026, with prices from $704 to $6,058, a $5,354 spread on the same certified stone. Brilliant Earth lists it at $6,058. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.91
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818659446
Dimensions6.89 × 6.89 × 4.48 mm
L/W Ratio1.00
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
6.89 mm6.89 mm1.91 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818659446
Side View
Table 64.0%Crown 33.7°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 65.0%

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: Nov 4
Current: $6,058 AUD|Low: $704 AUD|High: $8,653 AUD|Avg: $3,173 AUD|-30.0%
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
November 5, 2026
Retailer 11$704 AUD
Retailer 2$1,105 AUD
Retailer 14$1,177 AUD
Retailer 10$1,183 AUD
Retailer 12$1,930 AUD
Retailer 4$2,000 AUD
Retailer 5$2,439 AUD
Retailer 7$2,460 AUD
Retailer 9$2,877 AUD
Retailer 8$3,019 AUD
Retailer 6$4,529 AUD
Retailer 3$4,654 AUD
Retailer 13$5,346 AUD
Brilliant Earth$6,058 AUD

23 data points across 14 retailers

11 retailers$704 AUD to $6,058 AUD

A
Cheapest Retailer
-
$704 AUD
Final sale: no returns
A
Retailer 2
-
$1,105 AUD
View
A
Retailer 3
-
$1,177 AUD
View
A
Retailer 4
-
$1,183 AUD
View
B+
Retailer 5
-
$1,930 AUD
View
B+
Retailer 6
-
$2,460 AUD
View
B+
Retailer 7
-
$2,877 AUD
View
B+
Retailer 8
-
$3,019 AUD
View
B
Retailer 9
-
$4,654 AUD
View
B
Retailer 10
-
$5,346 AUD
View
Most Expensive
B
Brilliant Earth
21732405Y · Nov 4
$6,058 AUD
$4,250 USD
View
10 more retailers have this diamond
Prices start from $704 AUDSave up to $5,354 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
1.91ct Asscher
$704 AUD