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 $328 USD
As of October 28, 2026
Save $1,562 USD (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,890 USD 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 23, 2026, with prices from $328 to $1,890, a $1,562 spread on the same certified stone. Do Amore Diamonds lists it at $1,890. 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

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: Oct 28
Current: $1,890 USD|Low: $186 USD|High: $1,890 USD|Avg: $638 USD|+1.6%
Do Amore Diamonds
Retailer 2
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Retailer 6
Retailer 7
Retailer 8
Retailer 9
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Retailer 11
Retailer 12
Retailer 13
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Retailer 17
October 27, 2026
Retailer 4$197 USD
Retailer 6$220 USD
Retailer 5$244 USD
Retailer 16$244 USD
Retailer 8$328 USD
Retailer 12$337 USD
Retailer 10$358 USD
Retailer 13$459 USD
Retailer 11$483 USD
Retailer 15$664 USD
Retailer 2$751 USD
Retailer 17$788 USD
Retailer 3$867 USD
Retailer 9$1,039 USD
Retailer 14$1,086 USD
Retailer 7$1,184 USD
Do Amore Diamonds$1,890 USD

30 data points across 17 retailers

17 retailers$328 USD to $1,890 USD

Retailer 1
-
$197 USD
Price last confirmed 9 days ago
Retailer 2
-
$197 USD
View
Price last confirmed 7 days ago
Retailer 3
-
$244 USD
View
Price last confirmed 13 days ago
Retailer 4
-
$244 USD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$328 USD
View
Retailer 6
-
$337 USD
£266 GBP
View
Price last confirmed 8 days ago
A
Retailer 7
-
$358 USD
View
Retailer 8
-
$459 USD
ZAR 7,414 ZAR
View
Price last confirmed 11 days ago
Retailer 9
-
$483 USD
£380 GBP
View
Price last confirmed 7 days ago
Retailer 10
-
$664 USD
A$1,021 AUD
View
Price last confirmed 12 days ago
B+
Retailer 11
-
$751 USD
A$1,155 AUD
View
Retailer 12
-
$788 USD
View
Price last confirmed 7 days ago
Retailer 13
-
$867 USD
View
Price last confirmed 8 days ago
B
Retailer 14
-
$1,039 USD
View
Retailer 15
-
$1,086 USD
£855 GBP
View
Price last confirmed 9 days ago
B
Retailer 16
-
$1,184 USD
View
Most Expensive
B
Do Amore Diamonds
27-67C134D2D · Oct 23
$1,890 USD
View
16 more retailers have this diamond
Prices start from $328 USDSave up to $1,562 USD

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
$328 USD