Asscher|Lab Grown|IGI

1.28ct D VS1 Asscher Lab Grown Diamond

EX • D/VS1 • IGI LG838622659

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG838622659

Diamond specifications and retailer prices

From $185 USD
As of October 27, 2026
Save $891 USD (83%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,076 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.28ct lab-grown asscher diamond

This 1.28ct lab-grown asscher sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG838622659 or 838622659. Listed at 8 retailers as of October 27, 2026, with prices from $185 to $1,076, a $891 spread on the same certified stone. MOH London lists it at $1,076. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
D
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle43°
OriginLab Grown
Grading LabIGI
CertificateIGI LG838622659
Dimensions6.05 × 6.02 × 3.91 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
6.05 mm6.02 mm1.28 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG838622659
Side View
Table 67.0%Crown 34.2°Girdle: MediumPavilion 43°CuletDepth 65.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: $1,076 USD|Low: $416 USD|High: $1,105 USD|Avg: $736 USD|-2.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 29, 2026
Retailer 3$434 USD
Retailer 2$558 USD
Retailer 4$600 USD
Retailer 5$900 USD
MOH London$1,076 USD

18 data points across 5 retailers

8 retailers$185 USD to $1,076 USD

A
Cheapest Retailer
-
$185 USD
Retailer 2
-
$219 USD
View
Price last confirmed 34 days ago
A
Retailer 3
-
$434 USD
€413 EUR
View
B+
Retailer 4
-
$558 USD
A$859 AUD
View
B+
Retailer 5
-
$600 USD
View
B+
Retailer 6
-
$736 USD
View
B
Retailer 7
-
$900 USD
View
Most Expensive
B
MOH London
LG838622659 · Oct 29
$1,076 USD
£847 GBP
View
7 more retailers have this diamond
Prices start from $185 USDSave up to $891 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
1.28ct Asscher
$185 USD