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Marquise|Lab Grown|IGI

1.23ct D VS1 Marquise Lab Grown Diamond

ID • D/VS1 • IGI LG803613569

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG803613569

Diamond specifications and retailer prices

From €217 EUR
HK$1,900 HKD
As of November 1, 2026
Save €514 EUR (70%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €1,168 EUR at Brilliant Earth · As of October 26, 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 D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG803613569 or 803613569. Listed at 21 retailers as of November 1, 2026, with a 237% 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
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35.4°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803613569
Dimensions11.37 × 5.61 × 3.45 mm
L/W Ratio2.03
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.37 mm5.61 mm1.23 ctD / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG803613569
Side View
Table 62.0%Crown 35.4°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 61.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: €731 EUR|Low: €156 EUR|High: €1,168 EUR|Avg: €487 EUR|-37.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 2, 2026
Retailer 8€158 EUR
Retailer 9€176 EUR
Retailer 5€183 EUR
Retailer 12€195 EUR
Retailer 6€217 EUR
Retailer 18€262 EUR
Retailer 17€325 EUR
Retailer 21€330 EUR
Retailer 4€346 EUR
Retailer 19€348 EUR
Retailer 11€417 EUR
Retailer 16€429 EUR
Retailer 13€497 EUR
Retailer 10€628 EUR
Retailer 15€632 EUR
Retailer 2€639 EUR
Retailer 3€664 EUR
Retailer 14€676 EUR
Brilliant Earth€731 EUR
Retailer 20€914 EUR
Retailer 7€998 EUR

32 data points across 21 retailers

21 retailers€217 EUR to €731 EUR

Retailer 1
-
€158 EUR
$177 USD
Price last confirmed 10 days ago
Retailer 2
-
€183 EUR
$205 USD
View
Price last confirmed 9 days ago
Retailer 3
-
€195 EUR
$219 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
€217 EUR
HK$1,900 HKD
View
Retailer 5
-
€262 EUR
£231 GBP
View
Price last confirmed 7 days ago
A
Retailer 6
-
€325 EUR
View
Retailer 7
-
€330 EUR
ZAR 5,981 ZAR
View
Price last confirmed 11 days ago
Retailer 8
-
€346 EUR
$388 USD
View
Price last confirmed 8 days ago
Retailer 9
-
€348 EUR
£308 GBP
View
Price last confirmed 7 days ago
Retailer 10
-
€417 EUR
$468 USD
View
Price last confirmed 7 days ago
A
Retailer 11
-
€429 EUR
$481 USD
View
B+
Retailer 12
-
€497 EUR
$557 USD
View
Retailer 13
-
€628 EUR
$704 USD
View
Price last confirmed 8 days ago
B+
Retailer 14
-
€632 EUR
SGD 958 SGD
View
B+
Retailer 15
-
€639 EUR
$717 USD
View
B+
Retailer 16
-
€664 EUR
$745 USD
View
Retailer 17
-
€676 EUR
$758 USD
View
Price last confirmed 7 days ago
B+
Retailer 18
-
€731 EUR
$820 USD
View
Retailer 19
-
€914 EUR
£807 GBP
View
Price last confirmed 7 days ago
Retailer 20
-
€998 EUR
$1,119 USD
View
Price last confirmed 9 days ago
Most Expensive
Brilliant Earth
19868300A · Oct 26
€1,168 EUR
$1,310 USD
View
Price last confirmed 7 days ago
20 more retailers have this diamond
Prices start from €217 EURSave up to €514 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
€217 EUR