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Marquise|Lab Grown|IGI

1.23ct D VS1 Marquise Lab Grown Diamond

ID • D/VS1 • IGI LG814623842

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG814623842

Diamond specifications and retailer prices

From $502 NZD
As of November 4, 2026
Save $3,489 NZD (87%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,992 NZD at Do Amore Diamonds · As of November 4, 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 D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG814623842 or 814623842. Listed at 13 retailers as of November 4, 2026, with prices from $502 to $3,992, a $3,489 spread on the same certified stone. Do Amore Diamonds lists it at $3,992. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG814623842
Dimensions11.16 × 5.66 × 3.48 mm
L/W Ratio1.97
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.16 mm5.66 mm1.23 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG814623842
Side View
Table 60.0%Crown 34.1°Girdle: THN-MEDPavilion 40.4°Culet: NoneDepth 61.5%

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: Nov 4
Current: $3,992 NZD|Low: $502 NZD|High: $3,992 NZD|Avg: $1,537 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
November 5, 2026
Retailer 5$502 NZD
Retailer 3$681 NZD
Retailer 6$818 NZD
Retailer 13$843 NZD
Retailer 10$930 NZD
Retailer 2$1,064 NZD
Retailer 11$1,313 NZD
Retailer 7$1,508 NZD
Retailer 9$1,710 NZD
Retailer 4$2,271 NZD
Retailer 12$2,413 NZD
Retailer 8$2,462 NZD
Do Amore Diamonds$3,992 NZD

10 data points across 13 retailers

13 retailers$502 NZD to $3,992 NZD

A
Cheapest Retailer
-
$502 NZD
Final sale: no returns
A
Retailer 2
-
$681 NZD
View
A
Retailer 3
-
$818 NZD
View
A
Retailer 4
-
$843 NZD
View
A
Retailer 5
-
$930 NZD
View
B+
Retailer 6
-
$1,064 NZD
View
Retailer 7
-
$1,313 NZD
View
Price last confirmed 8 days ago
B
Retailer 8
-
$1,508 NZD
View
B
Retailer 9
-
$1,710 NZD
View
B
Retailer 10
-
$2,271 NZD
View
B
Retailer 11
-
$2,413 NZD
View
B
Retailer 12
-
$2,462 NZD
View
Most Expensive
B
Do Amore Diamonds
27-7389A6E4E · Nov 4
$3,992 NZD
$2,250 USD
View
12 more retailers have this diamond
Prices start from $502 NZDSave up to $3,489 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
$502 NZD