CaratHunter
Plans
Marquise|Lab Grown|IGI

1.51ct I VS1 Marquise Lab Grown Diamond

ID • I/VS1 • IGI LG436046307

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG436046307

Diamond specifications and retailer prices

From €931 EUR
$1,040 USD
As of October 31, 2026
1 retailer carries this diamond
Only listing: €931 EUR at Brilliant Earth
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Brilliant Earth

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 I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG436046307 or 436046307. Listed at a single retailer as of October 31, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
I
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.3°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436046307
Dimensions11.03 × 6.15 × 3.96 mm
L/W Ratio1.79
Girdle conditionFaceted
Culet sizePointed
Cert comments
undefined
Top View
11.03 mm6.15 mm1.51 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436046307
Side View
Table 59.5%Crown 34.3°Girdle: MED-THKPavilion 41.6°Culet: NoneDepth 64.4%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €931 EUR|Low: €474 EUR|High: €27,497 EUR|Avg: €6,476 EUR|-68.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
April 14, 2026
Retailer 2€474 EUR
Retailer 3€513 EUR
Retailer 4€831 EUR
Brilliant Earth€931 EUR

9 data points across 4 retailers

1 retailer

B
Brilliant Earth
6659919A · Oct 31
€931 EUR
$1,040 USD
View

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.

B
1.51ct Marquise
€931 EUR