CaratHunter
Plans
Oval|Lab Grown|IGI

1.51ct H SI1 Oval Lab Grown Diamond

ID • H/SI1 • IGI LG436072868

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG436072868

Diamond specifications and retailer prices

From €832 EUR
$930 USD
As of October 31, 2026
Save €3,441 EUR (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €4,273 EUR at MOH London · As of November 1, 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436072868 or 436072868. Listed at 12 retailers as of October 31, 2026, with prices from €832 to €4,273, a €3,441 spread on the same certified stone. MOH London lists it at €4,273. 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
H
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.3°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436072868
Dimensions8.78 × 6.54 × 4.07 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizePointed
Cert comments
undefined
Top View
8.78 mm6.54 mm1.51 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436072868
Side View
Table 60.0%Crown 35.3°Girdle: STK-THKPavilion 40.7°Culet: NoneDepth 62.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €4,273 EUR|Low: €832 EUR|High: €4,330 EUR|Avg: €2,107 EUR|-1.1%
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 9€832 EUR
Retailer 8€1,290 EUR
Retailer 13€1,404 EUR
Retailer 14€1,444 EUR
Retailer 10€1,497 EUR
Retailer 15€1,497 EUR
Retailer 7€1,524 EUR
Retailer 4€1,651 EUR
Retailer 5€2,035 EUR
Retailer 2€2,110 EUR
Retailer 11€2,360 EUR
Retailer 3€2,716 EUR
Retailer 12€2,804 EUR
MOH London€4,273 EUR
Retailer 6€4,283 EUR

38 data points across 15 retailers

12 retailers€832 EUR to €4,273 EUR

A
Cheapest Retailer
-
€832 EUR
$930 USD
B+
Retailer 2
-
€1,290 EUR
$1,441 USD
View
B+
Retailer 3
-
€1,404 EUR
$1,568 USD
View
B+
Retailer 4
-
€1,444 EUR
$1,613 USD
View
Final sale: no returns
Retailer 5
-
€1,497 EUR
$1,672 USD
View
Price last confirmed 20 days ago
B+
Retailer 6
-
€1,497 EUR
$1,672 USD
View
B
Retailer 7
-
€1,651 EUR
$1,845 USD
View
B
Retailer 8
-
€2,110 EUR
£1,856 GBP
View
B
Retailer 9
-
€2,360 EUR
$2,637 USD
View
B
Retailer 10
-
€2,716 EUR
$3,034 USD
View
B
Retailer 11
-
€2,804 EUR
$3,133 USD
View
Most Expensive
B
MOH London
LG436072868 · Nov 1
€4,273 EUR
£3,759 GBP
View
11 more retailers have this diamond
Prices start from €832 EURSave up to €3,441 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
€832 EUR