Asscher|Lab Grown|IGI

1.28ct D FL Asscher Lab Grown Diamond

VG • D/FL • IGI LG818653774

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG818653774

Diamond specifications and retailer prices

From $414 USD
As of October 30, 2026
Save $1,956 USD (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $2,370 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

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 FL clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG818653774 or 818653774. Listed at 20 retailers as of October 30, 2026, with prices from $414 to $2,370, a $1,956 spread on the same certified stone. Brilliant Earth lists it at $2,370. 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

1.28
Carat
D
Color
FL
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818653774
Dimensions6.03 × 6.02 × 3.87 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
6.03 mm6.02 mm1.28 ctD / FL
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818653774
Side View
Table 66.0%Crown 32.8°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 64.3%

Caratlytics Score

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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: Oct 30
Current: $2,370 USD|Low: $414 USD|High: $3,390 USD|Avg: $1,167 USD|-30.1%
Brilliant Earth
Retailer 2
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Retailer 20
October 30, 2026
Retailer 5$414 USD
Retailer 7$464 USD
Retailer 19$464 USD
Retailer 9$514 USD
Retailer 10$514 USD
Retailer 17$660 USD
Retailer 20$746 USD
Retailer 13$809 USD
Retailer 3$813 USD
Retailer 2$846 USD
Retailer 15$883 USD
Retailer 4$905 USD
Retailer 18$1,239 USD
Retailer 8$1,634 USD
Retailer 11$1,652 USD
Retailer 6$1,686 USD
Retailer 16$1,885 USD
Retailer 12$1,889 USD
Retailer 14$1,897 USD
Brilliant Earth$2,370 USD

36 data points across 20 retailers

20 retailers$414 USD to $2,370 USD

A
Cheapest Retailer
-
$414 USD
A
Retailer 2
-
$464 USD
View
Final sale: no returns
A
Retailer 3
-
$464 USD
View
A
Retailer 4
-
$514 USD
View
A
Retailer 5
-
$514 USD
View
A
Retailer 6
-
$660 USD
View
A
Retailer 7
-
$746 USD
View
B+
Retailer 8
-
$809 USD
€770 EUR
View
B+
Retailer 9
-
$813 USD
View
B+
Retailer 10
-
$846 USD
£666 GBP
View
B+
Retailer 11
-
$883 USD
ZAR 14,267 ZAR
View
B+
Retailer 12
-
$905 USD
View
B
Retailer 13
-
$1,239 USD
View
B
Retailer 14
-
$1,634 USD
SGD 2,208 SGD
View
B
Retailer 15
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$1,652 USD
View
B
Retailer 16
-
$1,686 USD
View
Retailer 17
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$1,885 USD
View
Price last confirmed 12 days ago
B
Retailer 18
-
$1,889 USD
View
B
Retailer 19
-
$1,897 USD
£1,494 GBP
View
Most Expensive
B
Brilliant Earth
21421101A · Oct 30
$2,370 USD
View
19 more retailers have this diamond
Prices start from $414 USDSave up to $1,956 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
$414 USD