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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 €236 EUR
$265 USD
As of November 2, 2026
Save €939 EUR (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €1,175 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 November 1, 2026, with prices from €236 to €1,175, a €939 spread on the same certified stone. MOH London lists it at €1,175. 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
Colour
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: Nov 2
Current: €1,175 EUR|Low: €236 EUR|High: €1,632 EUR|Avg: €667 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€236 EUR
Retailer 13€275 EUR
Retailer 3€277 EUR
Retailer 14€293 EUR
Retailer 5€342 EUR
Retailer 4€415 EUR
Retailer 11€437 EUR
Retailer 7€459 EUR
Retailer 12€488 EUR
Retailer 18€527 EUR
Retailer 2€557 EUR
Retailer 8€652 EUR
Retailer 17€900 EUR
Retailer 16€942 EUR
Retailer 9€990 EUR
Retailer 10€1,016 EUR
Retailer 6€1,168 EUR
MOH London€1,175 EUR

42 data points across 18 retailers

18 retailers€236 EUR to €1,175 EUR

A
Cheapest Retailer
-
€236 EUR
$265 USD
A
Retailer 2
-
€275 EUR
$308 USD
View
A
Retailer 3
-
€277 EUR
$311 USD
View
Final sale: no returns
A
Retailer 4
-
€293 EUR
$329 USD
View
A
Retailer 5
-
€342 EUR
HK$3,000 HKD
View
A
Retailer 6
-
€415 EUR
$465 USD
View
A
Retailer 7
-
€437 EUR
$490 USD
View
A
Retailer 8
-
€459 EUR
$515 USD
View
A
Retailer 9
-
€488 EUR
View
B+
Retailer 10
-
€527 EUR
$591 USD
View
Retailer 11
-
€548 EUR
£484 GBP
View
Price last confirmed 18 days ago
B+
Retailer 12
-
€557 EUR
£492 GBP
View
Retailer 13
-
€652 EUR
$731 USD
View
Price last confirmed 9 days ago
Retailer 14
-
€900 EUR
$1,010 USD
View
B
Retailer 15
-
€942 EUR
$1,057 USD
View
B
Retailer 16
-
€990 EUR
SGD 1,501 SGD
View
B
Retailer 17
-
€1,168 EUR
$1,310 USD
View
Most Expensive
B
MOH London
LG567351529 · Nov 1
€1,175 EUR
£1,038 GBP
View
17 more retailers have this diamond
Prices start from €236 EURSave up to €939 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
€236 EUR