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Oval|Lab Grown|IGI

1.88ct E FL Oval Lab Grown Diamond

ID • E/FL • IGI LG821675677

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG821675677

Diamond specifications and retailer prices

From £686 GBP
$913 USD
As of October 28, 2026
Save £3,707 GBP (84%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £4,393 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.88ct lab-grown oval diamond

This 1.88ct 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 LG821675677 or 821675677. Listed at 21 retailers as of October 28, 2026, with prices from £686 to £4,393, a £3,707 spread on the same certified stone. Brilliant Earth lists it at £4,393. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.88
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821675677
Dimensions10.43 × 7.02 × 4.11 mm
L/W Ratio1.49
Girdle conditionFaceted
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
10.43 mm7.02 mm1.88 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821675677
Side View
Table 61.0%Crown 32.5°Girdle: MED-STKPavilion 39.3°Culet: NoneDepth 58.5%

Caratlytics Score

How it works →
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 28
Current: £4,393 GBP|Low: £588 GBP|High: £4,528 GBP|Avg: £1,579 GBP|-3.0%
Brilliant Earth
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
Retailer 16
October 29, 2026
Retailer 15£612 GBP
Retailer 8£686 GBP
Retailer 4£710 GBP
Retailer 5£710 GBP
Retailer 11£792 GBP
Retailer 16£1,018 GBP
Retailer 3£1,044 GBP
Retailer 2£1,087 GBP
Retailer 12£1,194 GBP
Retailer 10£1,306 GBP
Retailer 14£1,488 GBP
Retailer 6£1,957 GBP
Retailer 13£2,222 GBP
Retailer 7£2,389 GBP
Retailer 9£2,677 GBP
Brilliant Earth£4,393 GBP

40 data points across 16 retailers

21 retailers£686 GBP to £4,393 GBP

A
Retailer 1
-
£612 GBP
$815 USD
Price last confirmed 18 days ago
A
Retailer 2
-
£666 GBP
$887 USD
View
Price last confirmed 15 days ago
A
Retailer 3
-
£686 GBP
$913 USD
View
Final sale: no returns
A
Retailer 4
-
£710 GBP
$946 USD
View
Price last confirmed 17 days ago
A
Retailer 5
-
£710 GBP
$946 USD
View
Price last confirmed 27 days ago
A
Retailer 6
-
£792 GBP
$1,055 USD
View
B+
Retailer 7
-
£1,018 GBP
$1,355 USD
View
B+
Retailer 8
-
£1,044 GBP
A$2,138 AUD
View
B+
Retailer 9
-
£1,087 GBP
View
B+
Retailer 10
-
£1,194 GBP
€1,514 EUR
View
B+
Retailer 11
-
£1,265 GBP
$1,685 USD
View
B+
Retailer 12
-
£1,306 GBP
ZAR 28,089 ZAR
View
B+
Retailer 13
-
£1,488 GBP
$1,981 USD
View
B
Retailer 14
-
£1,957 GBP
View
B+
Retailer 15
-
£1,997 GBP
$2,659 USD
View
Price last confirmed 22 days ago
B+
Retailer 16
-
£2,222 GBP
$2,959 USD
View
B
Retailer 17
-
£2,371 GBP
$3,158 USD
View
B
Retailer 18
-
£2,389 GBP
SGD 4,299 SGD
View
B
Retailer 19
-
£2,459 GBP
$3,274 USD
View
B
Retailer 20
-
£2,677 GBP
View
Most Expensive
B
Brilliant Earth
21505889A · Oct 29
£4,393 GBP
$5,850 USD
View
20 more retailers have this diamond
Prices start from £686 GBPSave up to £3,707 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
1.88ct Oval
£686 GBP