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Marquise|Lab Grown|IGI

1.28ct D VS1 Marquise Lab Grown Diamond

ID • D/VS1 • IGI LG839664801

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG839664801

Diamond specifications and retailer prices

From €192 EUR
$215 USD
As of October 30, 2026
Save €873 EUR (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €1,065 EUR at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

About this 1.28ct lab-grown marquise diamond

This 1.28ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG839664801 or 839664801. Listed at 11 retailers as of October 26, 2026, with prices from €192 to €1,065, a €873 spread on the same certified stone. Brilliant Earth lists it at €1,065. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839664801
Dimensions10.92 × 5.82 × 3.56 mm
L/W Ratio1.88
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
10.92 mm5.82 mm1.28 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839664801
Side View
Table 58.0%Crown 33.8°Girdle: MED-STKPavilion 40.6°CuletDepth 61.2%

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: Oct 30
Current: €1,065 EUR|Low: €189 EUR|High: €1,074 EUR|Avg: €573 EUR|-0.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 2€192 EUR
Retailer 11€224 EUR
Retailer 4€320 EUR
Retailer 10€409 EUR
Retailer 7€445 EUR
Retailer 5€585 EUR
Retailer 8€639 EUR
Retailer 3€680 EUR
Retailer 9€769 EUR
Retailer 6€959 EUR
Brilliant Earth€1,065 EUR

35 data points across 11 retailers

11 retailers€192 EUR to €1,065 EUR

A
Cheapest Retailer
-
€192 EUR
$215 USD
A
Retailer 2
-
€224 EUR
$250 USD
View
A
Retailer 3
-
€320 EUR
£282 GBP
View
A
Retailer 4
-
€409 EUR
$457 USD
View
A
Retailer 5
-
€445 EUR
View
B+
Retailer 6
-
€585 EUR
A$1,005 AUD
View
B+
Retailer 7
-
€639 EUR
$714 USD
View
B+
Retailer 8
-
€680 EUR
$760 USD
View
B+
Retailer 9
-
€769 EUR
$859 USD
View
B
Retailer 10
-
€959 EUR
£844 GBP
View
Most Expensive
B
Brilliant Earth
21562549A · Oct 26
€1,065 EUR
$1,190 USD
View
10 more retailers have this diamond
Prices start from €192 EURSave up to €873 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
1.28ct Marquise
€192 EUR