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Oval|Lab Grown|IGI

1.51ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG550255096

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG550255096

Diamond specifications and retailer prices

From €209 EUR
$233 USD
As of October 29, 2026
Save €834 EUR (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €1,042 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 1.51ct lab-grown oval diamond

This 1.51ct lab-grown oval 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 LG550255096 or 550255096. Listed at 18 retailers as of October 29, 2026, with prices from €209 to €1,042, a €834 spread on the same certified stone. MOH London lists it at €1,042. 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 angle34.7°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG550255096
Dimensions9.48 × 6.50 × 3.94 mm
L/W Ratio1.46
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
9.48 mm6.50 mm1.51 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG550255096
Side View
Table 59.0%Crown 34.7°Girdle: MediumPavilion 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: Oct 29
Current: €1,042 EUR|Low: €201 EUR|High: €1,056 EUR|Avg: €551 EUR|+0.5%
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
November 1, 2026
Retailer 11€209 EUR
Retailer 5€240 EUR
Retailer 10€242 EUR
Retailer 13€259 EUR
Retailer 15€365 EUR
Retailer 9€433 EUR
Retailer 6€484 EUR
Retailer 2€488 EUR
Retailer 8€540 EUR
Retailer 7€565 EUR
Retailer 12€832 EUR
Retailer 14€834 EUR
Retailer 3€837 EUR
Retailer 4€1,029 EUR
MOH London€1,042 EUR

43 data points across 15 retailers

18 retailers€209 EUR to €1,042 EUR

A
Cheapest Retailer
-
€209 EUR
$233 USD
A
Retailer 2
-
€240 EUR
$268 USD
View
Final sale: no returns
A
Retailer 3
-
€242 EUR
$270 USD
View
A
Retailer 4
-
€259 EUR
$289 USD
View
A
Retailer 5
-
€298 EUR
HK$2,600 HKD
View
B+
Retailer 6
-
€365 EUR
$408 USD
View
A
Retailer 7
-
€433 EUR
View
A
Retailer 8
-
€451 EUR
$504 USD
View
B+
Retailer 9
-
€484 EUR
$541 USD
View
B+
Retailer 10
-
€488 EUR
£429 GBP
View
B+
Retailer 11
-
€540 EUR
A$928 AUD
View
B+
Retailer 12
-
€565 EUR
$631 USD
View
B
Retailer 13
-
€832 EUR
$929 USD
View
B
Retailer 14
-
€834 EUR
$932 USD
View
Retailer 15
-
€837 EUR
$935 USD
View
Price last confirmed 13 days ago
B
Retailer 16
-
€874 EUR
SGD 1,320 SGD
View
B
Retailer 17
-
€1,029 EUR
$1,150 USD
View
Most Expensive
B
MOH London
LG550255096 · Oct 29
€1,042 EUR
£917 GBP
View
17 more retailers have this diamond
Prices start from €209 EURSave up to €834 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 Oval
€209 EUR