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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 $350 NZD
$197 USD
As of October 29, 2026
Save $1,688 NZD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,037 NZD 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 $350 to $2,037, a $1,688 spread on the same certified stone. MOH London lists it at $2,037. 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
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $2,037 NZD|Low: $350 NZD|High: $2,037 NZD|Avg: $888 NZD|+6.9%
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 31, 2026
Retailer 11$350 NZD
Retailer 4$390 NZD
Retailer 8$406 NZD
Retailer 5$433 NZD
Retailer 6$433 NZD
Retailer 9$544 NZD
Retailer 10$744 NZD
Retailer 3$756 NZD
Retailer 2$793 NZD
Retailer 15$795 NZD
Retailer 12$869 NZD
Retailer 7$1,393 NZD
Retailer 13$1,398 NZD
Retailer 14$1,488 NZD
Retailer 16$1,704 NZD
MOH London$2,037 NZD

38 data points across 16 retailers

16 retailers$350 NZD to $2,037 NZD

A
Cheapest Retailer
-
$350 NZD
$197 USD
A
Retailer 2
-
$390 NZD
$220 USD
View
Final sale: no returns
A
Retailer 3
-
$406 NZD
$229 USD
View
A
Retailer 4
-
$433 NZD
$244 USD
View
A
Retailer 5
-
$433 NZD
$244 USD
View
A
Retailer 6
-
$544 NZD
£242 GBP
View
A
Retailer 7
-
$744 NZD
ZAR 6,776 ZAR
View
A
Retailer 8
-
$756 NZD
$426 USD
View
A
Retailer 9
-
$793 NZD
£352 GBP
View
A
Retailer 10
-
$795 NZD
$448 USD
View
A
Retailer 11
-
$869 NZD
$490 USD
View
B+
Retailer 12
-
$1,393 NZD
$785 USD
View
B+
Retailer 13
-
$1,398 NZD
$788 USD
View
B
Retailer 14
-
$1,488 NZD
$839 USD
View
B
Retailer 15
-
$1,704 NZD
£756 GBP
View
Most Expensive
B
MOH London
LG610345801 · Oct 29
$2,037 NZD
£904 GBP
View
15 more retailers have this diamond
Prices start from $350 NZDSave up to $1,688 NZD

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
$350 NZD