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Oval|Lab Grown|IGI

1.72ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG468102478

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG468102478

Diamond specifications and retailer prices

From £406 GBP
$541 USD
As of October 29, 2026
13 retailers carry this diamond
Most expensive: £1,044 GBP at Brilliant Earth · As of October 15, 2026
View at Brilliant Earth

About this 1.72ct lab-grown oval diamond

This 1.72ct lab-grown oval sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG468102478 or 468102478. Listed at 13 retailers as of October 29, 2026. 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

1.72
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG468102478
Dimensions9.50 × 6.71 × 4.25 mm
L/W Ratio1.42
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
9.50 mm6.71 mm1.72 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG468102478
Side View
Table 59.0%Crown 35.8°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 63.3%

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: £1,044 GBP|Low: £288 GBP|High: £1,104 GBP|Avg: £628 GBP|-5.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 17, 2026
Retailer 9£288 GBP
Retailer 10£350 GBP
Retailer 5£376 GBP
Retailer 2£439 GBP
Retailer 8£466 GBP
Retailer 3£691 GBP
Retailer 6£788 GBP
Retailer 7£838 GBP
Retailer 4£957 GBP
Brilliant Earth£1,044 GBP

22 data points across 10 retailers

13 retailers

A
Retailer 1
-
£173 GBP
$230 USD
Price last confirmed 18 days ago
A
Retailer 2
-
£200 GBP
$267 USD
View
Price last confirmed 15 days ago
A
Retailer 3
-
£214 GBP
$285 USD
View
Price last confirmed 26 days ago
A
Retailer 4
-
£214 GBP
$285 USD
View
Price last confirmed 13 days ago
B+
Retailer 5
-
£288 GBP
$383 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
£350 GBP
$466 USD
View
Price last confirmed 12 days ago
A
Retailer 7
-
£406 GBP
$541 USD
View
A
Retailer 8
-
£439 GBP
View
Price last confirmed 12 days ago
B+
Retailer 9
-
£691 GBP
$920 USD
View
Price last confirmed 13 days ago
B
Retailer 10
-
£760 GBP
$1,012 USD
View
Price last confirmed 22 days ago
B
Retailer 11
-
£788 GBP
$1,050 USD
View
Price last confirmed 14 days ago
B
Retailer 12
-
£957 GBP
View
Price last confirmed 14 days ago
Most Expensive
B
Brilliant Earth
16513640A · Oct 15
£1,044 GBP
$1,390 USD
View
Price last confirmed 14 days ago
12 more retailers have this diamond
Prices start from £406 GBP

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
1.72ct Oval
£406 GBP