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Asscher|Lab Grown|IGI

1.51ct D IF Asscher Lab Grown Diamond

ID • D/IF • IGI LG821609617

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG821609617

Diamond specifications and retailer prices

From €302 EUR
$337 USD
As of October 30, 2026
Save €3,619 EUR (92%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €3,920 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.51ct lab-grown asscher diamond

This 1.51ct lab-grown asscher sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG821609617 or 821609617. Listed at 20 retailers as of October 30, 2026, with prices from €302 to €3,920, a €3,619 spread on the same certified stone. Brilliant Earth lists it at €3,920. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821609617
Dimensions6.23 × 6.17 × 4.09 mm
L/W Ratio1.01
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
6.23 mm6.17 mm1.51 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821609617
Side View
Table 63.0%Crown 34.2°Girdle: Slightly ThickPavilion 39.3°Culet: NoneDepth 66.3%

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: €3,920 EUR|Low: €289 EUR|High: €3,920 EUR|Avg: €983 EUR
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 12
Retailer 13
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Retailer 20
November 1, 2026
Retailer 20€302 EUR
Retailer 9€337 EUR
Retailer 4€373 EUR
Retailer 6€373 EUR
Retailer 13€395 EUR
Retailer 12€501 EUR
Retailer 19€510 EUR
Retailer 18€642 EUR
Retailer 16€659 EUR
Retailer 14€670 EUR
Retailer 17€870 EUR
Retailer 8€915 EUR
Retailer 15€926 EUR
Retailer 11€1,201 EUR
Retailer 10€1,240 EUR
Retailer 3€1,267 EUR
Retailer 7€1,412 EUR
Retailer 5€1,458 EUR
Retailer 2€1,497 EUR
Brilliant Earth€3,920 EUR

33 data points across 20 retailers

20 retailers€302 EUR to €3,920 EUR

A
Cheapest Retailer
-
€302 EUR
$337 USD
A
Retailer 2
-
€337 EUR
$377 USD
View
Final sale: no returns
A
Retailer 3
-
€373 EUR
$417 USD
View
Retailer 4
-
€373 EUR
$417 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
€395 EUR
£347 GBP
View
A
Retailer 6
-
€501 EUR
$560 USD
View
A
Retailer 7
-
€510 EUR
$570 USD
View
A
Retailer 8
-
€642 EUR
ZAR 11,585 ZAR
View
A
Retailer 9
-
€659 EUR
View
A
Retailer 10
-
€670 EUR
£589 GBP
View
A
Retailer 11
-
€870 EUR
A$1,496 AUD
View
B+
Retailer 12
-
€915 EUR
$1,022 USD
View
A
Retailer 13
-
€926 EUR
$1,035 USD
View
B+
Retailer 14
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€1,201 EUR
$1,342 USD
View
B+
Retailer 15
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€1,240 EUR
$1,385 USD
View
Retailer 16
-
€1,267 EUR
A$2,178 AUD
View
Price last confirmed 24 days ago
B+
Retailer 17
-
€1,412 EUR
$1,577 USD
View
B+
Retailer 18
-
€1,458 EUR
$1,629 USD
View
B+
Retailer 19
-
€1,497 EUR
£1,317 GBP
View
Most Expensive
B
Brilliant Earth
21678993A · Oct 31
€3,920 EUR
$4,380 USD
View
19 more retailers have this diamond
Prices start from €302 EURSave up to €3,619 EUR

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
1.51ct Asscher
€302 EUR