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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 $516 SGD
As of November 5, 2026
Save $2,409 SGD (82%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,925 SGD 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 4, 2026, with prices from $516 to $2,925, a $2,409 spread on the same certified stone. Do Amore Diamonds lists it at $2,925. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $1,745 SGD|Low: $516 SGD|High: $2,925 SGD|Avg: $1,337 SGD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 3$516 SGD
Retailer 2$582 SGD
Retailer 7$837 SGD
Retailer 8$837 SGD
Retailer 4$1,170 SGD
Retailer 9$1,224 SGD
Retailer 6$1,231 SGD
Retailer 11$1,683 SGD
Retailer 1$1,745 SGD
Retailer 10$2,297 SGD
Retailer 5$2,616 SGD

43 data points across 11 retailers

15 retailers$516 SGD to $2,925 SGD

A
Cheapest Retailer
-
$516 SGD
A
Retailer 2
-
$582 SGD
View
Final sale: no returns
B+
Retailer 3
-
$837 SGD
View
B+
Retailer 4
-
$837 SGD
View
B+
Retailer 5
-
$918 SGD
View
B+
Retailer 6
-
$1,170 SGD
View
Retailer 7
-
$1,224 SGD
View
Price last confirmed 28 days ago
B
Retailer 8
-
$1,231 SGD
View
B
Retailer 9
-
$1,683 SGD
View
B
Retailer 10
-
$1,745 SGD
View
B
Retailer 11
-
$2,297 SGD
View
B
Retailer 12
-
$2,362 SGD
View
B
Retailer 13
-
$2,486 SGD
View
B
Retailer 14
-
$2,616 SGD
View
Most Expensive
B
Do Amore Diamonds
31-LG7545229 · Nov 4
$2,925 SGD
$2,290 USD
View
14 more retailers have this diamond
Prices start from $516 SGDSave up to $2,409 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
$516 SGD