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Oval|Lab Grown|IGI

1.59ct E IF Oval Lab Grown Diamond

EX • E/IF • IGI LG707554315

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG707554315

Diamond specifications and retailer prices

From £372 GBP
$496 USD
As of October 28, 2026
Save £1,174 GBP (76%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £3,146 GBP at Brilliant Earth · As of October 21, 2026
View at Brilliant Earth

About this 1.59ct lab-grown oval diamond

This 1.59ct lab-grown oval sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG707554315 or 707554315. Listed at 20 retailers as of October 27, 2026, with a 315% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.59
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG707554315
Dimensions9.27 × 6.58 × 4.10 mm
L/W Ratio1.41
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
9.27 mm6.58 mm1.59 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG707554315
Side View
Table 60.0%Crown 36°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.3%

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 28
Current: £3,146 GBP|Low: £372 GBP|High: £3,792 GBP|Avg: £1,128 GBP|-17.0%
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
Retailer 17
Retailer 18
Retailer 19
October 29, 2026
Retailer 6£372 GBP
Retailer 7£427 GBP
Retailer 9£554 GBP
Retailer 13£556 GBP
Retailer 4£594 GBP
Retailer 2£681 GBP
Retailer 18£699 GBP
Retailer 12£710 GBP
Retailer 19£865 GBP
Retailer 16£969 GBP
Retailer 17£1,111 GBP
Retailer 8£1,310 GBP
Retailer 5£1,352 GBP
Retailer 11£1,388 GBP
Retailer 15£1,447 GBP
Retailer 3£1,480 GBP
Retailer 14£1,519 GBP
Retailer 10£1,644 GBP
Brilliant Earth£3,146 GBP

14 data points across 19 retailers

20 retailers£372 GBP to £1,546 GBP

A
Cheapest Retailer
-
£372 GBP
$496 USD
Final sale: no returns
A
Retailer 2
-
£413 GBP
$550 USD
View
A
Retailer 3
-
£413 GBP
$550 USD
View
A
Retailer 4
-
£427 GBP
View
Price last confirmed 12 days ago
A
Retailer 5
-
£554 GBP
$738 USD
View
A
Retailer 6
-
£556 GBP
$740 USD
View
A
Retailer 7
-
£594 GBP
$791 USD
View
A
Retailer 8
-
£681 GBP
View
A
Retailer 9
-
£710 GBP
ZAR 15,271 ZAR
View
B+
Retailer 10
-
£865 GBP
$1,152 USD
View
B+
Retailer 11
-
£969 GBP
A$1,985 AUD
View
Price last confirmed 9 days ago
B+
Retailer 12
-
£1,111 GBP
$1,479 USD
View
B
Retailer 13
-
£1,310 GBP
SGD 2,358 SGD
View
B
Retailer 14
-
£1,328 GBP
$1,768 USD
View
B
Retailer 15
-
£1,352 GBP
$1,801 USD
View
B
Retailer 16
-
£1,447 GBP
$1,927 USD
View
B
Retailer 17
-
£1,480 GBP
$1,971 USD
View
B
Retailer 18
-
£1,519 GBP
View
B
Retailer 19
-
£1,546 GBP
$2,059 USD
View
Most Expensive
B
Brilliant Earth
15226553A · Oct 21
£3,146 GBP
$4,190 USD
View
Price last confirmed 8 days ago
19 more retailers have this diamond
Prices start from £372 GBPSave up to £1,174 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
1.59ct Oval
£372 GBP