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Round|Lab Grown|IGI

1.23ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG642428460

Shape and cutting style on the report: Round brilliant

Certificate IGI LG642428460

Diamond specifications and retailer prices

From €211 EUR
$236 USD
As of October 29, 2026
Save €1,812 EUR (90%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €2,023 EUR at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.23ct lab-grown round diamond

This 1.23ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG642428460 or 642428460. Listed at 22 retailers as of October 29, 2026, with prices from €211 to €2,023, a €1,812 spread on the same certified stone. Do Amore Diamonds lists it at €2,023. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG642428460
Dimensions6.90 × 6.87 × 4.22 mm
L/W Ratio1.00
Girdle conditionFaceted
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
6.90 mm6.87 mm1.23 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG642428460
Side View
Table 56.0%Crown 34.5°Girdle: MediumPavilion 40.5°Culet: NoneDepth 61.3%

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 29
Current: €546 EUR|Low: €202 EUR|High: €1,170 EUR|Avg: €557 EUR|+3.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 31, 2026
Retailer 15€211 EUR
Retailer 5€235 EUR
Retailer 2€244 EUR
Retailer 3€261 EUR
Retailer 13€261 EUR
Retailer 8€467 EUR
Retailer 12€496 EUR
Retailer 1€546 EUR
Retailer 7€557 EUR
Retailer 11€703 EUR
Retailer 6€732 EUR
Retailer 10€858 EUR
Retailer 14€928 EUR
Retailer 4€1,070 EUR
Retailer 9€1,163 EUR

30 data points across 15 retailers

22 retailers€211 EUR to €2,023 EUR

A
Cheapest Retailer
-
€211 EUR
$236 USD
A
Retailer 2
-
€235 EUR
$263 USD
View
Final sale: no returns
A
Retailer 3
-
€244 EUR
$273 USD
View
A
Retailer 4
-
€261 EUR
$292 USD
View
A
Retailer 5
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€261 EUR
$292 USD
View
A
Retailer 6
-
€351 EUR
$392 USD
View
Retailer 7
-
€378 EUR
HK$3,300 HKD
View
Price last confirmed 57 days ago
A
Retailer 8
-
€467 EUR
£411 GBP
View
A
Retailer 9
-
€468 EUR
$523 USD
View
A
Retailer 10
-
€476 EUR
$532 USD
View
A
Retailer 11
-
€496 EUR
ZAR 8,953 ZAR
View
A
Retailer 12
-
€546 EUR
£480 GBP
View
A
Retailer 13
-
€557 EUR
A$958 AUD
View
B+
Retailer 14
-
€703 EUR
A$1,208 AUD
View
B+
Retailer 15
-
€732 EUR
$818 USD
View
B+
Retailer 16
-
€858 EUR
A$1,474 AUD
View
B+
Retailer 17
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€928 EUR
$1,037 USD
View
Retailer 18
-
€1,070 EUR
$1,195 USD
View
Price last confirmed 14 days ago
B
Retailer 19
-
€1,079 EUR
$1,206 USD
View
B+
Retailer 20
-
€1,163 EUR
£1,023 GBP
View
B
Retailer 21
-
€1,169 EUR
$1,306 USD
View
Most Expensive
B
Do Amore Diamonds
27-A4E666EBD · Oct 31
€2,023 EUR
$2,260 USD
View
21 more retailers have this diamond
Prices start from €211 EURSave up to €1,812 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 Round
€211 EUR