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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 $494 USD
As of November 3, 2026
Save $3,756 USD (88%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $4,250 USD at Brilliant Earth · As of November 3, 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 9 retailers as of November 3, 2026, with prices from $494 to $4,250, a $3,756 spread on the same certified stone. Brilliant Earth lists it at $4,250. 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
Color
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 3
Current: $4,250 USD|Low: $494 USD|High: $6,070 USD|Avg: $2,248 USD|-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
November 3, 2026
Retailer 2$494 USD
Retailer 8$826 USD
Retailer 9$845 USD
Retailer 6$1,354 USD
Retailer 12$1,404 USD
Retailer 3$1,711 USD
Retailer 11$1,735 USD
Retailer 5$2,123 USD
Retailer 4$3,177 USD
Retailer 10$3,265 USD
Retailer 7$3,750 USD
Brilliant Earth$4,250 USD

21 data points across 12 retailers

9 retailers$494 USD to $4,250 USD

A
Cheapest Retailer
-
$494 USD
Final sale: no returns
A
Retailer 2
-
$826 USD
View
A
Retailer 3
-
$845 USD
View
B+
Retailer 4
-
$1,354 USD
View
B+
Retailer 5
-
$1,735 USD
View
B+
Retailer 6
-
$2,123 USD
£1,672 GBP
View
B
Retailer 7
-
$3,265 USD
View
B
Retailer 8
-
$3,750 USD
View
Most Expensive
B
Brilliant Earth
21732405Y · Nov 3
$4,250 USD
View
8 more retailers have this diamond
Prices start from $494 USDSave up to $3,756 USD

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
$494 USD