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 $192 USD
As of November 4, 2026
Save $976 USD (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,168 USD 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 $192 to $1,168, a $976 spread on the same certified stone. Reve Diamonds lists it at $1,168. 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
Color
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

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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: $302 USD|Low: $184 USD|High: $1,168 USD|Avg: $520 USD|-1.9%
Retailer 1
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Reve Diamonds
November 5, 2026
Retailer 4$192 USD
Retailer 3$214 USD
Retailer 7$223 USD
Retailer 2$238 USD
Retailer 5$238 USD
Retailer 1$302 USD
Retailer 12$320 USD
Retailer 14$403 USD
Retailer 8$428 USD
Retailer 11$518 USD
Retailer 9$630 USD
Retailer 13$664 USD
Retailer 6$765 USD
Retailer 15$767 USD
Retailer 10$1,112 USD
Reve Diamonds$1,168 USD

43 data points across 16 retailers

19 retailers$192 USD to $1,168 USD

A
Cheapest Retailer
-
$192 USD
A
Retailer 2
-
$214 USD
View
Final sale: no returns
A
Retailer 3
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$223 USD
View
A
Retailer 4
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$238 USD
View
Retailer 5
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$238 USD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$302 USD
View
B+
Retailer 7
-
$320 USD
View
Retailer 8
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$403 USD
View
Price last confirmed 9 days ago
A
Retailer 9
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$428 USD
View
A
Retailer 10
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$462 USD
View
B+
Retailer 11
-
$518 USD
View
B+
Retailer 12
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$559 USD
View
B+
Retailer 13
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$630 USD
View
Retailer 14
-
$664 USD
View
Price last confirmed 8 days ago
B+
Retailer 15
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$765 USD
View
B+
Retailer 16
-
$767 USD
View
B+
Retailer 17
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$818 USD
View
B
Retailer 18
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$1,112 USD
View
Most Expensive
B
Reve Diamonds
7087862CC · Nov 4
$1,168 USD
View
18 more retailers have this diamond
Prices start from $192 USDSave up to $976 USD

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
$192 USD