CaratHunter
Plans
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 €360 EUR
$404 USD
As of November 1, 2026
Save €1,471 EUR (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €2,042 EUR at Do Amore Diamonds · As of November 2, 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 1, 2026, with a 408% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Color
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €2,042 EUR|Low: €360 EUR|High: €2,042 EUR|Avg: €1,053 EUR
Do Amore Diamonds
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
November 3, 2026
Retailer 4€360 EUR
Retailer 3€407 EUR
Retailer 11€584 EUR
Retailer 10€584 EUR
Retailer 5€641 EUR
Retailer 2€825 EUR
Retailer 12€854 EUR
Retailer 8€860 EUR
Retailer 14€1,176 EUR
Retailer 9€1,215 EUR
Retailer 13€1,603 EUR
Retailer 6€1,735 EUR
Retailer 7€1,831 EUR
Do Amore Diamonds€2,042 EUR

42 data points across 14 retailers

15 retailers€360 EUR to €1,831 EUR

A
Cheapest Retailer
-
€360 EUR
$404 USD
A
Retailer 2
-
€407 EUR
$456 USD
View
Final sale: no returns
B+
Retailer 3
-
€584 EUR
$655 USD
View
B+
Retailer 4
-
€584 EUR
View
B+
Retailer 5
-
€641 EUR
$719 USD
View
B
Retailer 6
-
€825 EUR
£729 GBP
View
Retailer 7
-
€854 EUR
A$1,474 AUD
View
Price last confirmed 25 days ago
B
Retailer 8
-
€860 EUR
ZAR 15,579 ZAR
View
B
Retailer 9
-
€1,176 EUR
$1,319 USD
View
B
Retailer 10
-
€1,215 EUR
A$2,096 AUD
View
B
Retailer 11
-
€1,603 EUR
$1,798 USD
View
B
Retailer 12
-
€1,649 EUR
$1,850 USD
View
B
Retailer 13
-
€1,735 EUR
$1,946 USD
View
B
Retailer 14
-
€1,831 EUR
£1,617 GBP
View
Most Expensive
Do Amore Diamonds
31-LG7545229 · Nov 2
€2,042 EUR
$2,290 USD
View
Price under review
14 more retailers have this diamond
Prices start from €360 EURSave up to €1,471 EUR

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
€360 EUR