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Oval|Lab Grown|IGI

1.23ct E VS1 Oval Lab Grown Diamond

EX • E/VS1 • IGI LG610345801

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG610345801

Diamond specifications and retailer prices

From $197 USD
As of October 29, 2026
Save $951 USD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,148 USD at MOH London · As of October 29, 2026
View at MOH London

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 LG610345801 or 610345801. Listed at 16 retailers as of October 29, 2026, with prices from $197 to $1,148, a $951 spread on the same certified stone. MOH London lists it at $1,148. 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
SymmetryVery Good
FluorescenceNone
Crown angle36.4°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG610345801
Dimensions8.41 × 6.05 × 3.75 mm
L/W Ratio1.39
Girdle conditionFaceted
Culet sizePointed
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
8.41 mm6.05 mm1.23 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG610345801
Side View
Table 62.0%Crown 36.4°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.0%

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 29
Current: $1,148 USD|Low: $197 USD|High: $1,148 USD|Avg: $543 USD|+8.0%
MOH London
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
October 30, 2026
Retailer 11$197 USD
Retailer 4$220 USD
Retailer 8$229 USD
Retailer 5$244 USD
Retailer 6$244 USD
Retailer 2$307 USD
Retailer 10$419 USD
Retailer 3$426 USD
Retailer 9$447 USD
Retailer 15$448 USD
Retailer 12$490 USD
Retailer 7$785 USD
Retailer 13$788 USD
Retailer 14$839 USD
Retailer 16$960 USD
MOH London$1,148 USD

41 data points across 16 retailers

16 retailers$197 USD to $1,148 USD

A
Cheapest Retailer
-
$197 USD
A
Retailer 2
-
$220 USD
View
Final sale: no returns
A
Retailer 3
-
$229 USD
View
A
Retailer 4
-
$244 USD
View
A
Retailer 5
-
$244 USD
View
A
Retailer 6
-
$307 USD
£242 GBP
View
A
Retailer 7
-
$419 USD
ZAR 6,776 ZAR
View
A
Retailer 8
-
$426 USD
View
A
Retailer 9
-
$447 USD
£352 GBP
View
A
Retailer 10
-
$448 USD
View
A
Retailer 11
-
$490 USD
View
B+
Retailer 12
-
$785 USD
View
B+
Retailer 13
-
$788 USD
View
B
Retailer 14
-
$839 USD
View
B
Retailer 15
-
$960 USD
£756 GBP
View
Most Expensive
B
MOH London
LG610345801 · Oct 29
$1,148 USD
£904 GBP
View
15 more retailers have this diamond
Prices start from $197 USDSave up to $951 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
$197 USD