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Round|Lab Grown|IGI

1.23ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG628409000

Shape and cutting style on the report: Round brilliant

Certificate IGI LG628409000

Diamond specifications and retailer prices

From €200 EUR
$223 USD
As of November 1, 2026
Save €1,716 EUR (90%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €1,915 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 F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG628409000 or 628409000. Listed at 21 retailers as of October 31, 2026, with prices from €200 to €1,915, a €1,716 spread on the same certified stone. Do Amore Diamonds lists it at €1,915. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
F
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG628409000
Dimensions6.86 × 6.80 × 4.23 mm
L/W Ratio1.01
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
6.86 mm6.80 mm1.23 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG628409000
Side View
Table 57.0%Crown 36.1°Girdle: MediumPavilion 40.3°Culet: NoneDepth 62.0%

Caratlytics Score

How it works →
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: Nov 1
Current: €1,915 EUR|Low: €197 EUR|High: €1,915 EUR|Avg: €607 EUR
Do Amore Diamonds
Retailer 2
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Retailer 20
November 1, 2026
Retailer 18€200 EUR
Retailer 5€223 EUR
Retailer 19€232 EUR
Retailer 17€248 EUR
Retailer 20€248 EUR
Retailer 9€333 EUR
Retailer 4€444 EUR
Retailer 10€455 EUR
Retailer 7€465 EUR
Retailer 2€473 EUR
Retailer 13€519 EUR
Retailer 12€546 EUR
Retailer 16€667 EUR
Retailer 6€688 EUR
Retailer 15€794 EUR
Retailer 11€1,033 EUR
Retailer 3€1,056 EUR
Retailer 14€1,103 EUR
Retailer 8€1,135 EUR
Do Amore Diamonds€1,915 EUR

32 data points across 20 retailers

21 retailers€200 EUR to €1,915 EUR

A
Cheapest Retailer
-
€200 EUR
$223 USD
A
Retailer 2
-
€223 EUR
$249 USD
View
Final sale: no returns
A
Retailer 3
-
€232 EUR
$259 USD
View
A
Retailer 4
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€248 EUR
$277 USD
View
A
Retailer 5
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€333 EUR
$372 USD
View
Retailer 6
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€378 EUR
HK$3,300 HKD
View
Price last confirmed 58 days ago
Retailer 7
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€444 EUR
£391 GBP
View
Price last confirmed 15 days ago
A
Retailer 8
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€455 EUR
$508 USD
View
A
Retailer 9
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€465 EUR
$519 USD
View
A
Retailer 10
-
€473 EUR
ZAR 8,528 ZAR
View
B+
Retailer 11
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€519 EUR
£456 GBP
View
B+
Retailer 12
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€546 EUR
A$938 AUD
View
B+
Retailer 13
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€667 EUR
A$1,147 AUD
View
B+
Retailer 14
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€688 EUR
$769 USD
View
B+
Retailer 15
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€794 EUR
A$1,364 AUD
View
B
Retailer 16
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€1,011 EUR
$1,130 USD
View
B
Retailer 17
-
€1,033 EUR
$1,154 USD
View
B
Retailer 18
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€1,056 EUR
$1,180 USD
View
B
Retailer 19
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€1,103 EUR
£970 GBP
View
B
Retailer 20
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€1,135 EUR
$1,268 USD
View
Most Expensive
B
Do Amore Diamonds
27-610A9F749 · Oct 31
€1,915 EUR
$2,140 USD
View
20 more retailers have this diamond
Prices start from €200 EURSave up to €1,716 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
€200 EUR