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Round|Lab Grown|IGI

1.23ct D VS1 Round Lab Grown Diamond

ID • D/VS1 • IGI LG534235030

Shape and cutting style on the report: Round brilliant

Certificate IGI LG534235030

Diamond specifications and retailer prices

From €152 EUR
As of November 3, 2026
Save €826 EUR (84%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €977 EUR at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 1.23ct lab-grown round diamond

This 1.23ct lab-grown round sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG534235030 or 534235030. Listed at 23 retailers as of November 3, 2026, with prices from €152 to €977, a €826 spread on the same certified stone. Reve Diamonds lists it at €977. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG534235030
Dimensions6.84 × 6.81 × 4.25 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
6.84 mm6.81 mm1.23 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG534235030
Side View
Table 58.0%Crown 35.2°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.2%

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: Nov 3
Current: €331 EUR|Low: €146 EUR|High: €890 EUR|Avg: €426 EUR|+4.2%
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
November 5, 2026
Retailer 3€152 EUR
Retailer 4€188 EUR
Retailer 2€256 EUR
Retailer 7€314 EUR
Retailer 6€319 EUR
Retailer 9€325 EUR
Retailer 1€331 EUR
Retailer 11€443 EUR
Retailer 8€459 EUR
Retailer 12€467 EUR
Retailer 5€605 EUR
Retailer 13€641 EUR
Retailer 10€880 EUR

42 data points across 13 retailers

23 retailers€152 EUR to €977 EUR

A
Cheapest Retailer
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€152 EUR
A
Retailer 2
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€169 EUR
View
Final sale: no returns
A
Retailer 3
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€176 EUR
View
Retailer 4
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€188 EUR
View
Price last confirmed 11 days ago
A
Retailer 5
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€188 EUR
View
B+
Retailer 6
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€256 EUR
View
A
Retailer 7
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€314 EUR
View
A
Retailer 8
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€319 EUR
View
A
Retailer 9
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€325 EUR
View
A
Retailer 10
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€331 EUR
View
A
Retailer 11
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€353 EUR
View
A
Retailer 12
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€369 EUR
View
B+
Retailer 13
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€443 EUR
View
B+
Retailer 14
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€459 EUR
View
B+
Retailer 15
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€467 EUR
View
Retailer 16
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€471 EUR
View
Price last confirmed 10 days ago
B+
Retailer 17
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€477 EUR
View
B+
Retailer 18
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€605 EUR
View
B
Retailer 19
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€620 EUR
View
Retailer 20
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€641 EUR
View
Price last confirmed 8 days ago
B
Retailer 21
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€653 EUR
View
B
Retailer 22
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€880 EUR
View
Most Expensive
B
Reve Diamonds
E3DE0A80A · Nov 4
€977 EUR
$1,101 USD
View
22 more retailers have this diamond
Prices start from €152 EURSave up to €826 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
€152 EUR