Marquise|Lab Grown|IGI

1.28ct D VS1 Marquise Lab Grown Diamond

EX • D/VS1 • IGI LG851606835

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG851606835

Diamond specifications and retailer prices

From €275 EUR
HK$2,400 HKD
As of October 30, 2026
Save €715 EUR (72%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €990 EUR at MOH London · As of October 29, 2026
View at MOH London

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 LG851606835 or 851606835. Listed at 11 retailers as of October 29, 2026, with prices from €275 to €990, a €715 spread on the same certified stone. MOH London lists it at €990. 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 angle32.7°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG851606835
Dimensions11.50 × 5.78 × 3.42 mm
L/W Ratio1.99
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.50 mm5.78 mm1.28 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG851606835
Side View
Table 59.0%Crown 32.7°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 59.2%

Caratlytics Score

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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: €990 EUR|Low: €275 EUR|High: €990 EUR|Avg: €641 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 10€275 EUR
Retailer 7€329 EUR
Retailer 6€419 EUR
Retailer 9€476 EUR
Retailer 3€671 EUR
Retailer 5€698 EUR
Retailer 2€789 EUR
Retailer 4€792 EUR
Retailer 11€796 EUR
Retailer 8€846 EUR
MOH London€990 EUR

4 data points across 11 retailers

11 retailers€275 EUR to €990 EUR

A
Cheapest Retailer
-
€275 EUR
HK$2,400 HKD
A
Retailer 2
-
€329 EUR
£290 GBP
View
A
Retailer 3
-
€419 EUR
$468 USD
View
A
Retailer 4
-
€476 EUR
$532 USD
View
B+
Retailer 5
-
€671 EUR
$750 USD
View
B+
Retailer 6
-
€698 EUR
$780 USD
View
B
Retailer 7
-
€789 EUR
$882 USD
View
B
Retailer 8
-
€792 EUR
$885 USD
View
B
Retailer 9
-
€796 EUR
SGD 1,202 SGD
View
B
Retailer 10
-
€846 EUR
$945 USD
View
Most Expensive
B
MOH London
LG851606835 · Oct 29
€990 EUR
£871 GBP
View
10 more retailers have this diamond
Prices start from €275 EURSave up to €715 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
€275 EUR