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Asscher|Lab Grown|IGI

1.89ct D FL Asscher Lab Grown Diamond

ID • D/FL • IGI LG818654339

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG818654339

Diamond specifications and retailer prices

From $484 USD
As of November 2, 2026
Save $3,746 USD (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $4,230 USD at Brilliant Earth · As of November 3, 2026
View at Brilliant Earth

About this 1.89ct lab-grown asscher diamond

This 1.89ct 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 LG818654339 or 818654339. Listed at 22 retailers as of November 2, 2026, with prices from $484 to $4,230, a $3,746 spread on the same certified stone. Brilliant Earth lists it at $4,230. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.89
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818654339
Dimensions6.85 × 6.85 × 4.52 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
6.85 mm6.85 mm1.89 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818654339
Side View
Table 60.0%Crown 35.6°Girdle: MediumPavilion 38.8°Culet: NoneDepth 66.0%

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: $4,230 USD|Low: $484 USD|High: $6,050 USD|Avg: $1,731 USD|-30.1%
Brilliant Earth
Retailer 2
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Retailer 22
November 3, 2026
Retailer 12$484 USD
Retailer 16$504 USD
Retailer 19$558 USD
Retailer 18$569 USD
Retailer 7$740 USD
Retailer 15$784 USD
Retailer 10$850 USD
Retailer 21$914 USD
Retailer 8$937 USD
Retailer 4$1,036 USD
Retailer 6$1,237 USD
Retailer 13$1,307 USD
Retailer 2$1,566 USD
Retailer 17$1,827 USD
Retailer 9$1,931 USD
Retailer 3$1,945 USD
Retailer 22$2,051 USD
Retailer 20$2,093 USD
Retailer 14$2,438 USD
Retailer 11$2,702 USD
Retailer 5$4,085 USD
Brilliant Earth$4,230 USD

25 data points across 22 retailers

22 retailers$484 USD to $4,230 USD

A
Cheapest Retailer
-
$484 USD
A
Retailer 2
-
$504 USD
View
A
Retailer 3
-
$558 USD
View
A
Retailer 4
-
$569 USD
View
Final sale: no returns
A
Retailer 5
-
$740 USD
View
Retailer 6
-
$784 USD
View
Price last confirmed 19 days ago
A
Retailer 7
-
$850 USD
View
A
Retailer 8
-
$914 USD
View
A
Retailer 9
-
$937 USD
View
A
Retailer 10
-
$1,036 USD
View
A
Retailer 11
-
$1,237 USD
View
A
Retailer 12
-
$1,307 USD
View
B+
Retailer 13
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$1,566 USD
View
B+
Retailer 14
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$1,827 USD
View
B+
Retailer 15
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$1,931 USD
View
B+
Retailer 16
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$1,945 USD
View
B+
Retailer 17
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$2,051 USD
View
B+
Retailer 18
-
$2,093 USD
View
Retailer 19
-
$2,438 USD
View
Price last confirmed 14 days ago
B
Retailer 20
-
$2,702 USD
View
B
Retailer 21
-
$4,085 USD
View
Most Expensive
B
Brilliant Earth
21421316A · Nov 3
$4,230 USD
View
21 more retailers have this diamond
Prices start from $484 USDSave up to $3,746 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
1.89ct Asscher
$484 USD