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Marquise|Lab Grown|IGI

1.51ct D SI1 Marquise Lab Grown Diamond

ID • D/SI1 • IGI LG567351529

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG567351529

Diamond specifications and retailer prices

From €237 EUR
$265 USD
As of October 30, 2026
Save €943 EUR (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €1,180 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 1.51ct lab-grown marquise diamond

This 1.51ct lab-grown marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG567351529 or 567351529. Listed at 18 retailers as of October 30, 2026, with prices from €237 to €1,180, a €943 spread on the same certified stone. MOH London lists it at €1,180. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.51
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG567351529
Dimensions11.69 × 6.00 × 3.81 mm
L/W Ratio1.95
Girdle conditionFaceted
Culet sizePointed
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
11.69 mm6.00 mm1.51 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG567351529
Side View
Table 58.0%Crown 36.4°Girdle: MediumPavilion 40.5°Culet: NoneDepth 63.5%

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: €1,180 EUR|Low: €237 EUR|High: €1,638 EUR|Avg: €670 EUR|-27.9%
MOH London
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 2, 2026
Retailer 15€237 EUR
Retailer 13€276 EUR
Retailer 3€278 EUR
Retailer 14€294 EUR
Retailer 5€344 EUR
Retailer 4€416 EUR
Retailer 11€439 EUR
Retailer 7€461 EUR
Retailer 12€490 EUR
Retailer 18€529 EUR
Retailer 2€559 EUR
Retailer 8€654 EUR
Retailer 17€904 EUR
Retailer 16€946 EUR
Retailer 9€994 EUR
Retailer 10€1,020 EUR
Retailer 6€1,173 EUR
MOH London€1,180 EUR

42 data points across 18 retailers

18 retailers€237 EUR to €1,180 EUR

A
Cheapest Retailer
-
€237 EUR
$265 USD
A
Retailer 2
-
€276 EUR
$308 USD
View
A
Retailer 3
-
€278 EUR
$311 USD
View
Final sale: no returns
A
Retailer 4
-
€294 EUR
$329 USD
View
A
Retailer 5
-
€344 EUR
HK$3,000 HKD
View
A
Retailer 6
-
€416 EUR
$465 USD
View
A
Retailer 7
-
€439 EUR
$490 USD
View
A
Retailer 8
-
€461 EUR
$515 USD
View
A
Retailer 9
-
€490 EUR
View
B+
Retailer 10
-
€529 EUR
$591 USD
View
Retailer 11
-
€550 EUR
£484 GBP
View
Price last confirmed 17 days ago
B+
Retailer 12
-
€559 EUR
£492 GBP
View
Retailer 13
-
€654 EUR
$731 USD
View
Price last confirmed 8 days ago
B
Retailer 14
-
€904 EUR
$1,010 USD
View
B
Retailer 15
-
€946 EUR
$1,057 USD
View
B
Retailer 16
-
€994 EUR
SGD 1,501 SGD
View
B
Retailer 17
-
€1,173 EUR
$1,310 USD
View
Most Expensive
B
MOH London
LG567351529 · Nov 1
€1,180 EUR
£1,038 GBP
View
17 more retailers have this diamond
Prices start from €237 EURSave up to €943 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
1.51ct Marquise
€237 EUR