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Round|Lab Grown|IGI

1.23ct I VS2 Round Lab Grown Diamond

ID • I/VS2 • IGI LG492113593

Shape and cutting style on the report: Round brilliant

Certificate IGI LG492113593

Diamond specifications and retailer prices

From €636 EUR
$710 USD
As of October 31, 2026
Save €1,088 EUR (63%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €2,945 EUR at NZ Jewellers · As of October 31, 2026
View at NZ Jewellers

About this 1.23ct lab-grown round diamond

This 1.23ct lab-grown round sits in the classic one-carat band, graded I colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG492113593 or 492113593. Listed at 12 retailers as of October 31, 2026, with a 171% 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
I
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492113593
Dimensions6.88 × 6.92 × 4.24 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.88 mm6.92 mm1.23 ctI / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492113593
Side View
Table 56.0%Crown 33°Girdle: MediumPavilion 41.1°Culet: NoneDepth 61.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €636 EUR|Low: €636 EUR|High: €4,541 EUR|Avg: €2,250 EUR|-28.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 1€636 EUR
Retailer 8€1,354 EUR
Retailer 12€1,517 EUR
Retailer 9€1,571 EUR
Retailer 11€1,571 EUR
Retailer 2€1,723 EUR
Retailer 3€2,114 EUR
Retailer 10€2,476 EUR
Retailer 5€2,645 EUR
Retailer 7€2,778 EUR
Retailer 4€3,517 EUR
Retailer 6€4,512 EUR

17 data points across 12 retailers

12 retailers€636 EUR to €1,723 EUR

B+
Cheapest Retailer
-
€636 EUR
$710 USD
B
Retailer 2
-
€1,354 EUR
$1,513 USD
View
B
Retailer 3
-
€1,473 EUR
$1,646 USD
View
B
Retailer 4
-
€1,517 EUR
$1,695 USD
View
Final sale: no returns
Retailer 5
-
€1,571 EUR
$1,755 USD
View
Price last confirmed 19 days ago
B
Retailer 6
-
€1,571 EUR
$1,755 USD
View
B
Retailer 7
-
€1,723 EUR
$1,925 USD
View
Retailer 8
-
€2,476 EUR
$2,766 USD
View
Price under review
Retailer 9
-
€2,645 EUR
View
Price under review
Retailer 10
-
€2,778 EUR
$3,104 USD
View
Price under review
Most Expensive
NZ Jewellers
320d91d7-bafa-4720-a7eb-d46d56dcbcad · Oct 31
€2,945 EUR
$3,290 USD
View
Price under review
10 more retailers have this diamond
Prices start from €636 EURSave up to €1,088 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.

B+
1.23ct Round
€636 EUR