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Marquise|Lab Grown|IGI

1.28ct D VS1 Marquise Lab Grown Diamond

EX • D/VS1 • IGI LG837638007

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG837638007

Diamond specifications and retailer prices

From €351 EUR
$392 USD
As of October 30, 2026
Save €950 EUR (73%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €1,301 EUR at Yadav Diamonds · As of October 30, 2026
View at Yadav Diamonds

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 LG837638007 or 837638007. Listed at 8 retailers as of October 30, 2026, with prices from €351 to €1,301, a €950 spread on the same certified stone. Yadav Diamonds lists it at €1,301. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837638007
Dimensions11.74 × 5.65 × 3.49 mm
L/W Ratio2.08
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.74 mm5.65 mm1.28 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837638007
Side View
Table 59.0%Crown 34.5°Girdle: THN-MEDPavilion 40.3°Culet: NoneDepth 61.8%

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: €1,156 EUR|Low: €351 EUR|High: €1,301 EUR|Avg: €750 EUR|-0.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Yadav Diamonds
November 1, 2026
Retailer 7€351 EUR
Retailer 4€363 EUR
Retailer 2€551 EUR
Retailer 6€605 EUR
Retailer 3€781 EUR
Retailer 5€1,079 EUR
Retailer 1€1,156 EUR
Yadav Diamonds€1,301 EUR

22 data points across 8 retailers

8 retailers€351 EUR to €1,301 EUR

A
Cheapest Retailer
-
€351 EUR
$392 USD
A
Retailer 2
-
€363 EUR
$406 USD
View
B+
Retailer 3
-
€551 EUR
£485 GBP
View
Retailer 4
-
€605 EUR
$676 USD
View
Price last confirmed 8 days ago
B
Retailer 5
-
€781 EUR
A$1,342 AUD
View
B
Retailer 6
-
€1,079 EUR
$1,205 USD
View
B
Retailer 7
-
€1,156 EUR
£1,017 GBP
View
Most Expensive
B
Yadav Diamonds
13326935 · Oct 30
€1,301 EUR
$1,453 USD
View
7 more retailers have this diamond
Prices start from €351 EURSave up to €950 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
€351 EUR