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Marquise|Lab Grown|IGI

1.23ct F VS2 Marquise Lab Grown Diamond

ID • F/VS2 • IGI LG818689620

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818689620

Diamond specifications and retailer prices

From $342 NZD
As of November 4, 2026
Save $1,736 NZD (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,077 NZD at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 1.23ct lab-grown marquise diamond

This 1.23ct lab-grown marquise sits in the classic one-carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818689620 or 818689620. Listed at 19 retailers as of November 4, 2026, with prices from $342 to $2,077, a $1,736 spread on the same certified stone. Reve Diamonds lists it at $2,077. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818689620
Dimensions11.81 × 5.36 × 3.32 mm
L/W Ratio2.20
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.81 mm5.36 mm1.23 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818689620
Side View
Table 57.0%Crown 33.8°Girdle: MED-STKPavilion 38.6°Culet: NoneDepth 61.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $537 NZD|Low: $327 NZD|High: $2,077 NZD|Avg: $925 NZD|-1.9%
Retailer 1
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
Reve Diamonds
November 5, 2026
Retailer 4$342 NZD
Retailer 3$381 NZD
Retailer 7$397 NZD
Retailer 2$423 NZD
Retailer 5$423 NZD
Retailer 1$537 NZD
Retailer 12$569 NZD
Retailer 14$717 NZD
Retailer 8$761 NZD
Retailer 11$921 NZD
Retailer 9$1,121 NZD
Retailer 13$1,181 NZD
Retailer 6$1,361 NZD
Retailer 15$1,364 NZD
Retailer 10$1,978 NZD
Reve Diamonds$2,077 NZD

43 data points across 16 retailers

19 retailers$342 NZD to $2,077 NZD

A
Cheapest Retailer
-
$342 NZD
A
Retailer 2
-
$381 NZD
View
Final sale: no returns
A
Retailer 3
-
$397 NZD
View
A
Retailer 4
-
$423 NZD
View
Retailer 5
-
$423 NZD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$537 NZD
View
B+
Retailer 7
-
$569 NZD
View
Retailer 8
-
$717 NZD
View
Price last confirmed 9 days ago
A
Retailer 9
-
$761 NZD
View
A
Retailer 10
-
$822 NZD
View
B+
Retailer 11
-
$921 NZD
View
B+
Retailer 12
-
$994 NZD
View
B+
Retailer 13
-
$1,121 NZD
View
Retailer 14
-
$1,181 NZD
View
Price last confirmed 8 days ago
B+
Retailer 15
-
$1,361 NZD
View
B+
Retailer 16
-
$1,364 NZD
View
B+
Retailer 17
-
$1,455 NZD
View
B
Retailer 18
-
$1,978 NZD
View
Most Expensive
B
Reve Diamonds
7087862CC · Nov 4
$2,077 NZD
$1,168 USD
View
18 more retailers have this diamond
Prices start from $342 NZDSave up to $1,736 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
$342 NZD