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Oval|Lab Grown|IGI

1.57ct I SI1 Oval Lab Grown Diamond

ID • I/SI1 • IGI LG451055467

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG451055467

Diamond specifications and retailer prices

From €767 EUR
$860 USD
As of November 2, 2026
Save €3,735 EUR (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €4,502 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 1.57ct lab-grown oval diamond

This 1.57ct lab-grown oval sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG451055467 or 451055467. Listed at 12 retailers as of November 1, 2026, with prices from €767 to €4,502, a €3,735 spread on the same certified stone. MOH London lists it at €4,502. 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

1.57
Carat
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451055467
Dimensions9.50 × 6.63 × 4.03 mm
L/W Ratio1.43
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.50 mm6.63 mm1.57 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451055467
Side View
Table 56.5%Crown 34.1°Girdle: THN-STKPavilion 41°Culet: NoneDepth 60.8%

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: Nov 2
Current: €4,502 EUR|Low: €767 EUR|High: €4,556 EUR|Avg: €2,063 EUR
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
November 2, 2026
Retailer 8€767 EUR
Retailer 7€1,208 EUR
Retailer 12€1,314 EUR
Retailer 13€1,352 EUR
Retailer 9€1,402 EUR
Retailer 14€1,402 EUR
Retailer 3€1,556 EUR
Retailer 5€1,923 EUR
Retailer 2€2,001 EUR
Retailer 10€2,215 EUR
Retailer 4€2,612 EUR
Retailer 11€2,627 EUR
Retailer 6€4,013 EUR
MOH London€4,502 EUR

37 data points across 14 retailers

12 retailers€767 EUR to €4,502 EUR

A
Cheapest Retailer
-
€767 EUR
$860 USD
A
Retailer 2
-
€1,208 EUR
$1,355 USD
View
B+
Retailer 3
-
€1,314 EUR
$1,474 USD
View
B+
Retailer 4
-
€1,352 EUR
$1,516 USD
View
Final sale: no returns
Retailer 5
-
€1,402 EUR
$1,572 USD
View
Price last confirmed 21 days ago
B+
Retailer 6
-
€1,402 EUR
$1,572 USD
View
B+
Retailer 7
-
€1,556 EUR
$1,745 USD
View
B+
Retailer 8
-
€2,001 EUR
£1,767 GBP
View
B
Retailer 9
-
€2,215 EUR
$2,484 USD
View
B
Retailer 10
-
€2,612 EUR
$2,930 USD
View
B
Retailer 11
-
€2,627 EUR
$2,946 USD
View
Most Expensive
B
MOH London
LG451055467 · Nov 1
€4,502 EUR
£3,976 GBP
View
11 more retailers have this diamond
Prices start from €767 EURSave up to €3,735 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
1.57ct Oval
€767 EUR