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Marquise|Lab Grown|IGI

1.23ct D VS1 Marquise Lab Grown Diamond

ID • D/VS1 • IGI LG814623890

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG814623890

Diamond specifications and retailer prices

From $717 NZD
As of November 3, 2026
Save $3,346 NZD (82%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,062 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 LG814623890 or 814623890. Listed at 15 retailers as of November 3, 2026, with prices from $717 to $4,062, a $3,346 spread on the same certified stone. Do Amore Diamonds lists it at $4,062. 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 angle32.8°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG814623890
Dimensions11.24 × 5.61 × 3.43 mm
L/W Ratio2.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.24 mm5.61 mm1.23 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG814623890
Side View
Table 58.0%Crown 32.8°Girdle: THN-MEDPavilion 40.2°Culet: NoneDepth 61.1%

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 3
Current: $4,062 NZD|Low: $717 NZD|High: $4,062 NZD|Avg: $2,051 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
November 5, 2026
Retailer 4$717 NZD
Retailer 3$809 NZD
Retailer 8$1,162 NZD
Retailer 9$1,162 NZD
Retailer 2$1,625 NZD
Retailer 10$1,699 NZD
Retailer 6$1,710 NZD
Retailer 12$2,338 NZD
Retailer 7$2,416 NZD
Retailer 11$3,190 NZD
Retailer 5$3,633 NZD
Do Amore Diamonds$4,062 NZD

43 data points across 12 retailers

15 retailers$717 NZD to $4,062 NZD

A
Cheapest Retailer
-
$717 NZD
A
Retailer 2
-
$809 NZD
View
Final sale: no returns
B+
Retailer 3
-
$1,162 NZD
View
B+
Retailer 4
-
$1,162 NZD
View
B+
Retailer 5
-
$1,276 NZD
View
B+
Retailer 6
-
$1,625 NZD
View
Retailer 7
-
$1,699 NZD
View
Price last confirmed 28 days ago
B
Retailer 8
-
$1,710 NZD
View
B
Retailer 9
-
$2,338 NZD
View
B
Retailer 10
-
$2,416 NZD
View
B
Retailer 11
-
$3,190 NZD
View
B
Retailer 12
-
$3,280 NZD
View
B
Retailer 13
-
$3,452 NZD
View
B
Retailer 14
-
$3,633 NZD
View
Most Expensive
B
Do Amore Diamonds
31-LG7545229 · Nov 4
$4,062 NZD
$2,290 USD
View
14 more retailers have this diamond
Prices start from $717 NZDSave up to $3,346 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
$717 NZD