CaratHunter
Plans
Asscher|Lab Grown|IGI

1.23ct E VS1 Asscher Lab Grown Diamond

EX • E/VS1 • IGI LG502157917

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG502157917

Diamond specifications and retailer prices

From $1,557 NZD
£691 GBP
As of October 29, 2026
Save $179 NZD (10%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $1,736 NZD at Taylor and Hart · As of October 26, 2026
View at Taylor and Hart

About this 1.23ct lab-grown asscher diamond

This 1.23ct lab-grown asscher 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 LG502157917 or 502157917. Listed at 2 retailers as of October 26, 2026, with a relatively tight 11% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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 angle25°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG502157917
Dimensions5.87 × 5.72 × 3.73 mm
L/W Ratio1.03
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
5.87 mm5.72 mm1.23 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG502157917
Side View
Table 63.0%Crown 25°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 65.2%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $841 NZD|Low: $305 NZD|High: $2,325 NZD|Avg: $1,244 NZD|-4.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Taylor and Hart
October 26, 2026
Retailer 3$305 NZD
Retailer 5$699 NZD
Retailer 4$807 NZD
Retailer 8$813 NZD
Retailer 1$841 NZD
Retailer 2$954 NZD
Retailer 6$1,262 NZD
Retailer 7$1,264 NZD
Taylor and Hart$1,736 NZD
Retailer 9$2,325 NZD

76 data points across 10 retailers

2 retailers$1,557 NZD to $1,736 NZD

B
Cheapest Retailer
-
$1,557 NZD
£691 GBP
Most Expensive
B
Taylor and Hart
63ZKM7N · Oct 26
$1,736 NZD
$978 USD
View
1 more retailer has this diamond
Prices start from $1,557 NZDSave up to $179 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.

B
1.23ct Asscher
$1,557 NZD