Oval|Lab Grown|IGI

1.23ct E VS1 Oval Lab Grown Diamond

EX • E/VS1 • IGI LG816658990

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG816658990

Diamond specifications and retailer prices

From €294 EUR
$328 USD
As of November 1, 2026
Save €636 EUR (68%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €1,692 EUR at Do Amore Diamonds · As of October 23, 2026
View at Do Amore Diamonds

About this 1.23ct lab-grown oval diamond

This 1.23ct lab-grown oval sits in the classic one-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG816658990 or 816658990. Listed at 17 retailers as of October 31, 2026, with a 217% 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
E
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816658990
Dimensions8.25 × 6.04 × 3.81 mm
L/W Ratio1.37
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.25 mm6.04 mm1.23 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816658990
Side View
Table 62.0%Crown 35.6°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 63.1%

Caratlytics Score

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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 1
Current: €1,692 EUR|Low: €166 EUR|High: €1,692 EUR|Avg: €574 EUR|+1.6%
Do Amore Diamonds
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
Retailer 16
Retailer 17
November 1, 2026
Retailer 4€176 EUR
Retailer 6€197 EUR
Retailer 5€218 EUR
Retailer 16€218 EUR
Retailer 8€294 EUR
Retailer 2€302 EUR
Retailer 12€320 EUR
Retailer 13€411 EUR
Retailer 10€448 EUR
Retailer 15€594 EUR
Retailer 11€672 EUR
Retailer 17€705 EUR
Retailer 3€776 EUR
Retailer 9€930 EUR
Retailer 14€972 EUR
Retailer 7€1,060 EUR
Do Amore Diamonds€1,692 EUR

30 data points across 17 retailers

17 retailers€294 EUR to €930 EUR

Retailer 1
-
€176 EUR
$197 USD
Price last confirmed 11 days ago
Retailer 2
-
€176 EUR
$197 USD
View
Price last confirmed 9 days ago
Retailer 3
-
€218 EUR
$244 USD
View
Price last confirmed 16 days ago
Retailer 4
-
€218 EUR
$244 USD
View
Price last confirmed 10 days ago
B+
Retailer 5
-
€294 EUR
$328 USD
View
A
Retailer 6
-
€302 EUR
£266 GBP
View
A
Retailer 7
-
€320 EUR
$358 USD
View
Retailer 8
-
€411 EUR
ZAR 7,414 ZAR
View
Price last confirmed 13 days ago
A
Retailer 9
-
€448 EUR
£394 GBP
View
Retailer 10
-
€594 EUR
A$1,021 AUD
View
Price last confirmed 14 days ago
B+
Retailer 11
-
€672 EUR
A$1,155 AUD
View
Retailer 12
-
€705 EUR
$788 USD
View
Price last confirmed 9 days ago
Retailer 13
-
€776 EUR
$867 USD
View
Price last confirmed 10 days ago
B
Retailer 14
-
€930 EUR
$1,039 USD
View
Retailer 15
-
€972 EUR
£855 GBP
View
Price last confirmed 11 days ago
Retailer 16
-
€1,060 EUR
$1,184 USD
View
Price last confirmed 9 days ago
Most Expensive
Do Amore Diamonds
27-67C134D2D · Oct 23
€1,692 EUR
$1,890 USD
View
Price last confirmed 9 days ago
16 more retailers have this diamond
Prices start from €294 EURSave up to €636 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 Oval
€294 EUR