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Marquise|Lab Grown|IGI

1.05ct D SI1 Marquise Lab Grown Diamond

VG • D/SI1 • IGI LG844636747

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG844636747

Diamond specifications and retailer prices

From €194 EUR
HK$1,700 HKD
As of November 1, 2026
Save €430 EUR (69%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €624 EUR at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.05ct lab-grown marquise diamond

This 1.05ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG844636747 or 844636747. Listed at 11 retailers as of November 1, 2026, with prices from €194 to €624, a €430 spread on the same certified stone. Brilliant Earth lists it at €624. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.05
Carat
D
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle32.5°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844636747
Dimensions10.32 × 5.41 × 3.28 mm
L/W Ratio1.91
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.32 mm5.41 mm1.05 ctD / SI1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG844636747
Side View
Table 61.0%Crown 32.5°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 60.6%

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: Nov 1
Current: €624 EUR|Low: €151 EUR|High: €936 EUR|Avg: €363 EUR|-33.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 3€151 EUR
Retailer 11€194 EUR
Retailer 6€201 EUR
Retailer 9€286 EUR
Retailer 7€290 EUR
Retailer 10€307 EUR
Retailer 12€314 EUR
Retailer 8€360 EUR
Retailer 2€437 EUR
Retailer 4€462 EUR
Retailer 5€499 EUR
Brilliant Earth€624 EUR

10 data points across 12 retailers

11 retailers€194 EUR to €624 EUR

A
Cheapest Retailer
-
€194 EUR
HK$1,700 HKD
Retailer 2
-
€201 EUR
£178 GBP
View
Price last confirmed 7 days ago
Retailer 3
-
€286 EUR
View
Price last confirmed 9 days ago
Retailer 4
-
€290 EUR
£256 GBP
View
Price last confirmed 7 days ago
Retailer 5
-
€307 EUR
$344 USD
View
Price last confirmed 8 days ago
Retailer 6
-
€314 EUR
$352 USD
View
Price last confirmed 8 days ago
Retailer 7
-
€360 EUR
£318 GBP
View
Price last confirmed 8 days ago
B
Retailer 8
-
€437 EUR
$490 USD
View
B
Retailer 9
-
€462 EUR
SGD 700 SGD
View
B
Retailer 10
-
€499 EUR
$560 USD
View
Most Expensive
B
Brilliant Earth
22235177A · Nov 2
€624 EUR
$700 USD
View
10 more retailers have this diamond
Prices start from €194 EURSave up to €430 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
1.05ct Marquise
€194 EUR