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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 $274 AUD
$192 USD
As of November 2, 2026
Save $1,392 AUD (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,666 AUD at Reve Diamonds · As of November 1, 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 1, 2026, with prices from $274 to $1,666, a $1,392 spread on the same certified stone. Reve Diamonds lists it at $1,666. 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 2
Current: $435 AUD|Low: $263 AUD|High: $1,666 AUD|Avg: $755 AUD|-1.3%
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
Retailer 16
Reve Diamonds
November 2, 2026
Retailer 4$274 AUD
Retailer 3$305 AUD
Retailer 7$318 AUD
Retailer 2$340 AUD
Retailer 5$340 AUD
Retailer 1$435 AUD
Retailer 13$457 AUD
Retailer 15$575 AUD
Retailer 9$618 AUD
Retailer 12$740 AUD
Retailer 8$798 AUD
Retailer 10$899 AUD
Retailer 14$949 AUD
Retailer 6$1,092 AUD
Retailer 16$1,094 AUD
Retailer 11$1,587 AUD
Reve Diamonds$1,666 AUD

43 data points across 17 retailers

19 retailers$274 AUD to $1,666 AUD

A
Cheapest Retailer
-
$274 AUD
$192 USD
A
Retailer 2
-
$305 AUD
$214 USD
View
Final sale: no returns
A
Retailer 3
-
$318 AUD
$223 USD
View
A
Retailer 4
-
$340 AUD
$238 USD
View
Retailer 5
-
$340 AUD
$238 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$435 AUD
£240 GBP
View
B+
Retailer 7
-
$457 AUD
$320 USD
View
A
Retailer 8
-
$575 AUD
€384 EUR
View
A
Retailer 9
-
$618 AUD
£341 GBP
View
A
Retailer 10
-
$659 AUD
$462 USD
View
B+
Retailer 11
-
$740 AUD
View
B+
Retailer 12
-
$798 AUD
$559 USD
View
B+
Retailer 13
-
$899 AUD
$630 USD
View
B+
Retailer 14
-
$949 AUD
View
B+
Retailer 15
-
$1,092 AUD
$765 USD
View
Retailer 16
-
$1,094 AUD
$767 USD
View
Price last confirmed 7 days ago
B+
Retailer 17
-
$1,168 AUD
$819 USD
View
B
Retailer 18
-
$1,587 AUD
£876 GBP
View
Most Expensive
B
Reve Diamonds
7087862CC · Nov 1
$1,666 AUD
$1,168 USD
View
18 more retailers have this diamond
Prices start from $274 AUDSave up to $1,392 AUD

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
$274 AUD