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Round|Lab Grown|IGI

1.23ct D VVS1 Round Lab Grown Diamond

EX • D/VVS1 • IGI LG816607419

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816607419

Diamond specifications and retailer prices

From €190 EUR
As of November 3, 2026
Save €908 EUR (83%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: €1,939 EUR at Queensmith · As of October 27, 2026
View at Queensmith

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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG816607419 or 816607419. Listed at 25 retailers as of November 3, 2026, with a 478% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816607419
Dimensions6.99 × 7.02 × 4.09 mm
L/W Ratio1.00
Girdle conditionFaceted
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
6.99 mm7.02 mm1.23 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816607419
Side View
Table 62.0%Crown 33.1°Girdle: MediumPavilion 40.4°Culet: NoneDepth 58.3%

Caratlytics Score

How it works →
A
Excellent
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 3
Current: €430 EUR|Low: €182 EUR|High: €1,065 EUR|Avg: €493 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
November 5, 2026
Retailer 2€190 EUR
Retailer 3€211 EUR
Retailer 5€235 EUR
Retailer 4€318 EUR
Retailer 6€372 EUR
Retailer 10€406 EUR
Retailer 8€427 EUR
Retailer 1€430 EUR
Retailer 9€575 EUR
Retailer 13€723 EUR
Retailer 7€759 EUR
Retailer 11€942 EUR
Retailer 12€1,047 EUR

40 data points across 13 retailers

25 retailers€190 EUR to €1,098 EUR

A
Cheapest Retailer
-
€190 EUR
A
Retailer 2
-
€211 EUR
View
Final sale: no returns
A
Retailer 3
-
€220 EUR
View
Retailer 4
-
€235 EUR
View
Price last confirmed 11 days ago
A
Retailer 5
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€235 EUR
View
A
Retailer 6
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€261 EUR
View
B+
Retailer 7
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€318 EUR
View
A
Retailer 8
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€372 EUR
View
A
Retailer 9
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€406 EUR
View
B+
Retailer 10
-
€427 EUR
View
B+
Retailer 11
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€430 EUR
View
B+
Retailer 12
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€436 EUR
View
B+
Retailer 13
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€575 EUR
View
B+
Retailer 14
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€620 EUR
View
Retailer 15
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€723 EUR
View
Price last confirmed 15 days ago
B
Retailer 16
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€756 EUR
View
B
Retailer 17
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€759 EUR
View
B
Retailer 18
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€763 EUR
View
B
Retailer 19
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€802 EUR
View
B
Retailer 20
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€806 EUR
View
B
Retailer 21
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€920 EUR
View
B
Retailer 22
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€942 EUR
View
B
Retailer 23
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€1,047 EUR
View
B
Retailer 24
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€1,098 EUR
View
Most Expensive
Queensmith
LG816607419 · Oct 27
€1,939 EUR
£1,720 GBP
View
Price last confirmed 8 days ago
24 more retailers have this diamond
Prices start from €190 EURSave up to €908 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
€190 EUR