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Oval|Lab Grown|IGI

1.72ct E FL Oval Lab Grown Diamond

EX • E/FL • IGI LG787657773

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG787657773

Diamond specifications and retailer prices

From £741 GBP
A$1,518 AUD
As of October 29, 2026
Save £3,359 GBP (82%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £4,100 GBP at Brilliant Earth · As of October 29, 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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG787657773 or 787657773. Listed at 3 retailers as of October 29, 2026, with prices from £741 to £4,100, a £3,359 spread on the same certified stone. Brilliant Earth lists it at £4,100. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.72
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787657773
Dimensions9.55 × 6.78 × 4.24 mm
L/W Ratio1.41
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.55 mm6.78 mm1.72 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787657773
Side View
Table 60.0%Crown 34.5°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.5%

Caratlytics Score

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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 29
Current: £4,100 GBP|Low: £288 GBP|High: £4,100 GBP|Avg: £1,426 GBP
Brilliant Earth
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October 3, 2026
Retailer 10£288 GBP
Retailer 18£443 GBP
Retailer 21£595 GBP
Retailer 2£741 GBP
Retailer 13£749 GBP
Retailer 16£750 GBP
Retailer 19£786 GBP
Retailer 4£819 GBP
Retailer 20£821 GBP
Retailer 22£864 GBP
Retailer 17£1,103 GBP
Retailer 12£1,157 GBP
Retailer 3£1,339 GBP
Retailer 11£1,363 GBP
Retailer 6£1,389 GBP
Retailer 9£1,562 GBP
Retailer 7£1,696 GBP
Retailer 8£1,927 GBP
Retailer 14£2,489 GBP
Retailer 15£2,823 GBP
Retailer 5£3,214 GBP
Brilliant Earth£4,100 GBP

2 data points across 22 retailers

3 retailers£741 GBP to £4,100 GBP

A
Cheapest Retailer
-
£741 GBP
A$1,518 AUD
B+
Retailer 2
-
£819 GBP
ZAR 17,619 ZAR
View
Price last confirmed 64 days ago
Most Expensive
B
Brilliant Earth
19348554Y · Oct 29
£4,100 GBP
$5,460 USD
View
2 more retailers have this diamond
Prices start from £741 GBPSave up to £3,359 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
£741 GBP