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Marquise|Lab Grown|IGI

0.51ct D FL Marquise Lab Grown Diamond

VG • D/FL • IGI LG845658670

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG845658670

Diamond specifications and retailer prices

From €200 EUR
As of November 5, 2026
Save €868 EUR (81%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €1,068 EUR at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 0.51ct lab-grown marquise diamond

This 0.51ct lab-grown marquise sits in the half to three-quarter carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG845658670 or 845658670. Listed at 15 retailers as of November 4, 2026, with prices from €200 to €1,068, a €868 spread on the same certified stone. Reve Diamonds lists it at €1,068. 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

0.51
Carat
D
Colour
FL
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845658670
Dimensions7.99 × 4.13 × 2.59 mm
L/W Ratio1.93
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
7.99 mm4.13 mm0.51 ctD / FL
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845658670
Side View
Table 59.0%Crown 35.1°Girdle: Slightly ThickPavilion 39.4°Culet: NoneDepth 62.7%

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 5
Current: €404 EUR|Low: €200 EUR|High: €1,068 EUR|Avg: €520 EUR|-0.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Reve Diamonds
November 5, 2026
Retailer 14€200 EUR
Retailer 8€208 EUR
Retailer 10€223 EUR
Retailer 2€250 EUR
Retailer 4€321 EUR
Retailer 3€386 EUR
Retailer 13€401 EUR
Retailer 1€404 EUR
Retailer 9€404 EUR
Retailer 6€604 EUR
Retailer 11€716 EUR
Retailer 12€719 EUR
Retailer 5€764 EUR
Retailer 7€1,042 EUR
Reve Diamonds€1,068 EUR

10 data points across 15 retailers

15 retailers€200 EUR to €1,068 EUR

A
Cheapest Retailer
-
€200 EUR
Final sale: no returns
A
Retailer 2
-
€208 EUR
View
A
Retailer 3
-
€223 EUR
View
A
Retailer 4
-
€250 EUR
View
A
Retailer 5
-
€321 EUR
View
B+
Retailer 6
-
€386 EUR
View
B+
Retailer 7
-
€401 EUR
View
B+
Retailer 8
-
€404 EUR
View
B+
Retailer 9
-
€404 EUR
View
B+
Retailer 10
-
€604 EUR
View
B
Retailer 11
-
€716 EUR
View
B
Retailer 12
-
€719 EUR
View
B
Retailer 13
-
€764 EUR
View
B
Retailer 14
-
€1,042 EUR
View
Most Expensive
B
Reve Diamonds
2828CD641 · Nov 4
€1,068 EUR
$1,199 USD
View
14 more retailers have this diamond
Prices start from €200 EURSave up to €868 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
0.51ct Marquise
€200 EUR