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Oval|Lab Grown|IGI

1.23ct E VVS1 Oval Lab Grown Diamond

ID • E/VVS1 • IGI LG818668744

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG818668744

Diamond specifications and retailer prices

From $206 USD
As of October 26, 2026
Save $1,154 USD (85%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,360 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG818668744 or 818668744. Listed at 22 retailers as of October 26, 2026, with prices from $206 to $1,360, a $1,154 spread on the same certified stone. Brilliant Earth lists it at $1,360. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.8°
Pavilion angle42.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818668744
Dimensions8.66 × 5.76 × 3.84 mm
L/W Ratio1.50
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.66 mm5.76 mm1.23 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818668744
Side View
Table 62.0%Crown 39.8°Girdle: MED-STKPavilion 42.2°Culet: NoneDepth 66.7%

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 26
Current: $1,360 USD|Low: $198 USD|High: $1,640 USD|Avg: $610 USD|-7.5%
Brilliant Earth
Retailer 2
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Retailer 22
October 29, 2026
Retailer 3$206 USD
Retailer 4$231 USD
Retailer 9$239 USD
Retailer 7$256 USD
Retailer 12$256 USD
Retailer 21$315 USD
Retailer 13$345 USD
Retailer 19$415 USD
Retailer 18$433 USD
Retailer 16$468 USD
Retailer 15$520 USD
Retailer 11$573 USD
Retailer 17$625 USD
Retailer 22$660 USD
Retailer 8$822 USD
Retailer 6$845 USD
Retailer 2$851 USD
Retailer 10$854 USD
Retailer 14$876 USD
Retailer 20$1,031 USD
Retailer 5$1,214 USD
Brilliant Earth$1,360 USD

43 data points across 22 retailers

22 retailers$206 USD to $1,360 USD

A
Cheapest Retailer
-
$206 USD
A
Retailer 2
-
$231 USD
View
Final sale: no returns
A
Retailer 3
-
$239 USD
View
A
Retailer 4
-
$256 USD
View
A
Retailer 5
-
$256 USD
View
Retailer 6
-
$315 USD
£248 GBP
View
Price last confirmed 13 days ago
B+
Retailer 7
-
$345 USD
View
A
Retailer 8
-
$415 USD
€395 EUR
View
A
Retailer 9
-
$433 USD
ZAR 6,987 ZAR
View
A
Retailer 10
-
$468 USD
£369 GBP
View
A
Retailer 11
-
$520 USD
View
B+
Retailer 12
-
$573 USD
View
B+
Retailer 13
-
$625 USD
A$962 AUD
View
B+
Retailer 14
-
$660 USD
View
B+
Retailer 15
-
$822 USD
View
Retailer 16
-
$845 USD
View
Price last confirmed 11 days ago
B+
Retailer 17
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$851 USD
A$1,309 AUD
View
B
Retailer 18
-
$871 USD
View
B
Retailer 19
-
$876 USD
View
Retailer 20
-
$1,031 USD
£812 GBP
View
Price last confirmed 9 days ago
B
Retailer 21
-
$1,214 USD
View
Most Expensive
B
Brilliant Earth
21360027A · Oct 29
$1,360 USD
View
21 more retailers have this diamond
Prices start from $206 USDSave up to $1,154 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
$206 USD