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Asscher|Lab Grown|IGI

1.23ct D IF Asscher Lab Grown Diamond

ID • D/IF • IGI LG739557450

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG739557450

Diamond specifications and retailer prices

From €204 EUR
As of November 2, 2026
Save €1,755 EUR (90%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €1,959 EUR at Brilliant Earth · As of November 3, 2026
View at Brilliant Earth

About this 1.23ct lab-grown asscher diamond

This 1.23ct lab-grown asscher sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG739557450 or 739557450. Listed at 12 retailers as of November 2, 2026, with prices from €204 to €1,959, a €1,755 spread on the same certified stone. Brilliant Earth lists it at €1,959. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle42.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG739557450
Dimensions5.79 × 5.77 × 3.90 mm
L/W Ratio1.00
Culet sizePointed
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
5.79 mm5.77 mm1.23 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG739557450
Side View
Table 61.0%Crown 33.5°Girdle: STK-THKPavilion 42.8°Culet: NoneDepth 67.6%

Caratlytics Score

How it works →
A+
Exceptional
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: €1,959 EUR|Low: €195 EUR|High: €2,057 EUR|Avg: €671 EUR|-4.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 3, 2026
Retailer 10€204 EUR
Retailer 3€235 EUR
Retailer 8€428 EUR
Retailer 9€429 EUR
Retailer 11€454 EUR
Retailer 6€469 EUR
Retailer 2€617 EUR
Retailer 4€689 EUR
Retailer 7€812 EUR
Retailer 5€1,017 EUR
Brilliant Earth€1,959 EUR

36 data points across 11 retailers

12 retailers€204 EUR to €1,959 EUR

A+
Cheapest Retailer
-
€204 EUR
A
Retailer 2
-
€235 EUR
View
Final sale: no returns
Retailer 3
-
€263 EUR
View
Price last confirmed 40 days ago
A
Retailer 4
-
€428 EUR
View
Retailer 5
-
€429 EUR
View
Price last confirmed 7 days ago
Retailer 6
-
€454 EUR
View
Price last confirmed 10 days ago
A
Retailer 7
-
€469 EUR
View
A
Retailer 8
-
€617 EUR
View
B+
Retailer 9
-
€689 EUR
View
B+
Retailer 10
-
€812 EUR
View
B+
Retailer 11
-
€1,017 EUR
View
Most Expensive
B
Brilliant Earth
16401632A · Nov 3
€1,959 EUR
$2,190 USD
View
11 more retailers have this diamond
Prices start from €204 EURSave up to €1,755 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+
1.23ct Asscher
€204 EUR