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Marquise|Lab Grown|IGI

1.23ct F VVS1 Marquise Lab Grown Diamond

EX • F/VVS1 • IGI LG833648357

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG833648357

Diamond specifications and retailer prices

From $400 SGD
As of November 6, 2026
Save $1,433 SGD (78%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,833 SGD at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG833648357 or 833648357. Listed at 8 retailers as of November 6, 2026, with prices from $400 to $1,833, a $1,433 spread on the same certified stone. Brilliant Earth lists it at $1,833. 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
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833648357
Dimensions10.52 × 5.59 × 3.61 mm
L/W Ratio1.88
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.52 mm5.59 mm1.23 ctF / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833648357
Side View
Table 59.0%Crown 37.5°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 64.6%

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 6
Current: $1,833 SGD|Low: $400 SGD|High: $1,833 SGD|Avg: $819 SGD|+10.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 6$400 SGD
Retailer 7$449 SGD
Retailer 2$590 SGD
Retailer 5$601 SGD
Retailer 9$641 SGD
Retailer 8$763 SGD
Retailer 10$1,157 SGD
Retailer 3$1,188 SGD
Retailer 4$1,246 SGD
Brilliant Earth$1,833 SGD

12 data points across 10 retailers

8 retailers$400 SGD to $1,833 SGD

A
Cheapest Retailer
-
$400 SGD
B+
Retailer 2
-
$449 SGD
View
A
Retailer 3
-
$590 SGD
View
A
Retailer 4
-
$601 SGD
View
B+
Retailer 5
-
$763 SGD
View
B
Retailer 6
-
$1,188 SGD
View
Retailer 7
-
$1,246 SGD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
22171381A · Nov 6
$1,833 SGD
$1,430 USD
View
7 more retailers have this diamond
Prices start from $400 SGDSave up to $1,433 SGD

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
$400 SGD