Asscher|Lab Grown|IGI

1.21ct D FL Asscher Lab Grown Diamond

VG • D/FL • IGI LG831684504

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG831684504

Diamond specifications and retailer prices

From $440 USD
As of October 30, 2026
Save $2,770 USD (86%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $3,210 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.21ct lab-grown asscher diamond

This 1.21ct lab-grown asscher sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG831684504 or 831684504. Listed at 9 retailers as of October 30, 2026, with prices from $440 to $3,210, a $2,770 spread on the same certified stone. Brilliant Earth lists it at $3,210. 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

1.21
Carat
D
Color
FL
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.1°
Pavilion angle43.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831684504
Dimensions5.84 × 5.70 × 3.87 mm
L/W Ratio1.02
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
5.84 mm5.70 mm1.21 ctD / FL
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831684504
Side View
Table 63.0%Crown 31.1°Girdle: MediumPavilion 43.4°Culet: NoneDepth 67.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $3,210 USD|Low: $440 USD|High: $3,210 USD|Avg: $1,134 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 4$440 USD
Retailer 7$440 USD
Retailer 8$504 USD
Retailer 3$635 USD
Retailer 6$775 USD
Retailer 2$800 USD
Retailer 5$1,368 USD
Retailer 9$1,553 USD
Brilliant Earth$3,210 USD

2 data points across 9 retailers

9 retailers$440 USD to $3,210 USD

A
Cheapest Retailer
-
$440 USD
Final sale: no returns
A
Retailer 2
-
$440 USD
View
A
Retailer 3
-
$504 USD
£397 GBP
View
A
Retailer 4
-
$635 USD
View
B+
Retailer 5
-
$775 USD
View
B+
Retailer 6
-
$800 USD
£630 GBP
View
B
Retailer 7
-
$1,368 USD
View
B
Retailer 8
-
$1,553 USD
SGD 2,098 SGD
View
Most Expensive
B
Brilliant Earth
22360872A · Oct 30
$3,210 USD
View
8 more retailers have this diamond
Prices start from $440 USDSave up to $2,770 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
1.21ct Asscher
$440 USD