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Marquise|Lab Grown|IGI

1.23ct E VS1 Marquise Lab Grown Diamond

E/VS1 • IGI LG761521170

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG761521170

Diamond specifications and retailer prices

From $454 NZD
$256 USD
As of October 30, 2026
Save $2,036 NZD (82%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $4,383 NZD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.23ct lab-grown marquise diamond

This 1.23ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included) and certified by IGI LG761521170 or 761521170. Listed at 27 retailers as of October 30, 2026, with a 448% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.23
Carat
E
Colour
VS1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.6°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG761521170
Dimensions11.23 × 5.45 × 3.41 mm
L/W Ratio2.06
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.23 mm5.45 mm1.23 ctE / VS1
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG761521170
Side View
Table 58.0%Crown 39.6°Girdle: MED-STKPavilion 38.5°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 30
Current: $4,383 NZD|Low: $436 NZD|High: $4,383 NZD|Avg: $1,530 NZD
Do Amore Diamonds
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 2, 2026
Retailer 5$436 NZD
Retailer 7$507 NZD
Retailer 4$562 NZD
Retailer 11$642 NZD
Retailer 8$756 NZD
Retailer 3$843 NZD
Retailer 2$1,071 NZD
Retailer 14$1,096 NZD
Retailer 19$1,136 NZD
Retailer 6$1,143 NZD
Retailer 16$1,174 NZD
Retailer 18$1,434 NZD
Retailer 17$1,512 NZD
Retailer 20$1,730 NZD
Retailer 10$2,293 NZD
Retailer 15$2,360 NZD
Retailer 9$2,430 NZD
Retailer 12$2,434 NZD
Retailer 13$2,490 NZD
Do Amore Diamonds$4,383 NZD

43 data points across 20 retailers

27 retailers$454 NZD to $2,490 NZD

Retailer 1
-
$436 NZD
$246 USD
Price last confirmed 30 days ago
A
Retailer 2
-
$454 NZD
$256 USD
View
A
Retailer 3
-
$507 NZD
$286 USD
View
Final sale: no returns
Retailer 4
-
$527 NZD
$297 USD
View
Price last confirmed 33 days ago
Retailer 5
-
$562 NZD
$317 USD
View
Price last confirmed 29 days ago
Retailer 6
-
$562 NZD
$317 USD
View
Price last confirmed 7 days ago
A
Retailer 7
-
$562 NZD
$317 USD
View
B+
Retailer 8
-
$642 NZD
$362 USD
View
B+
Retailer 9
-
$756 NZD
$426 USD
View
A
Retailer 10
-
$843 NZD
$475 USD
View
B+
Retailer 11
-
$1,071 NZD
ZAR 9,755 ZAR
View
B+
Retailer 12
-
$1,096 NZD
£487 GBP
View
B+
Retailer 13
-
$1,136 NZD
$640 USD
View
B
Retailer 14
-
$1,143 NZD
$644 USD
View
B
Retailer 15
-
$1,174 NZD
A$1,018 AUD
View
B
Retailer 16
-
$1,434 NZD
A$1,243 AUD
View
B
Retailer 17
-
$1,512 NZD
A$1,311 AUD
View
B
Retailer 18
-
$1,730 NZD
$975 USD
View
Retailer 19
-
$1,998 NZD
$1,126 USD
View
Price last confirmed 32 days ago
B
Retailer 20
-
$1,998 NZD
$1,126 USD
View
B
Retailer 21
-
$2,293 NZD
$1,292 USD
View
B
Retailer 22
-
$2,360 NZD
$1,330 USD
View
B
Retailer 23
-
$2,430 NZD
$1,370 USD
View
B
Retailer 24
-
$2,434 NZD
£1,080 GBP
View
B
Retailer 25
-
$2,490 NZD
£1,105 GBP
View
Retailer 26
-
$4,028 NZD
$2,270 USD
View
Price under review
Most Expensive
Do Amore Diamonds
23-761521170 · Oct 31
$4,383 NZD
$2,470 USD
View
Price under review
26 more retailers have this diamond
Prices start from $454 NZDSave up to $2,036 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 Marquise
$454 NZD