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Oval|Lab Grown|IGI

1.23ct E VS1 Oval Lab Grown Diamond

EX • E/VS1 • IGI LG771655418

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG771655418

Diamond specifications and retailer prices

From $306 AUD
$215 USD
As of October 29, 2026
Save $1,379 AUD (82%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,685 AUD at MOH London · As of October 25, 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 LG771655418 or 771655418. Listed at 16 retailers as of October 25, 2026, with prices from $306 to $1,685, a $1,379 spread on the same certified stone. MOH London lists it at $1,685. 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
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG771655418
Dimensions8.35 × 6.07 × 3.80 mm
L/W Ratio1.38
Girdle conditionFaceted
Culet sizePointed
Top View
8.35 mm6.07 mm1.23 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG771655418
Side View
Table 62.0%Crown 35.8°Girdle: STK-THKPavilion 40.4°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
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: Oct 29
Current: $1,685 AUD|Low: $306 AUD|High: $1,703 AUD|Avg: $792 AUD|+0.1%
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
October 31, 2026
Retailer 11$306 AUD
Retailer 3$343 AUD
Retailer 9$380 AUD
Retailer 12$380 AUD
Retailer 6$452 AUD
Retailer 5$648 AUD
Retailer 13$651 AUD
Retailer 7$653 AUD
Retailer 2$704 AUD
Retailer 8$928 AUD
Retailer 10$1,226 AUD
Retailer 4$1,345 AUD
MOH London$1,685 AUD

42 data points across 13 retailers

16 retailers$306 AUD to $1,685 AUD

Retailer 1
-
$306 AUD
$215 USD
Price last confirmed 10 days ago
A
Retailer 2
-
$306 AUD
$215 USD
View
A
Retailer 3
-
$343 AUD
$241 USD
View
Final sale: no returns
Retailer 4
-
$356 AUD
$250 USD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$380 AUD
$267 USD
View
Retailer 6
-
$380 AUD
$267 USD
View
Price last confirmed 12 days ago
A
Retailer 7
-
$452 AUD
£250 GBP
View
A
Retailer 8
-
$648 AUD
$455 USD
View
A
Retailer 9
-
$651 AUD
$457 USD
View
A
Retailer 10
-
$653 AUD
ZAR 7,407 ZAR
View
A
Retailer 11
-
$704 AUD
£389 GBP
View
B+
Retailer 12
-
$928 AUD
View
B
Retailer 13
-
$1,212 AUD
$851 USD
View
Retailer 14
-
$1,221 AUD
$858 USD
View
Price last confirmed 13 days ago
B
Retailer 15
-
$1,226 AUD
$861 USD
View
Most Expensive
B
MOH London
LG771655418 · Oct 25
$1,685 AUD
£932 GBP
View
15 more retailers have this diamond
Prices start from $306 AUDSave up to $1,379 AUD

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
$306 AUD