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Oval|Lab Grown|IGI

1.65ct E IF Oval Lab Grown Diamond

ID • E/IF • IGI LG756536005

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG756536005

Diamond specifications and retailer prices

From £207 GBP
$275 USD
As of October 29, 2026
Save £2,354 GBP (92%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £2,561 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.65ct lab-grown oval diamond

This 1.65ct 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 LG756536005 or 756536005. Listed at 23 retailers as of October 29, 2026, with prices from £207 to £2,561, a £2,354 spread on the same certified stone. Brilliant Earth lists it at £2,561. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.65
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG756536005
Dimensions9.61 × 6.71 × 9.61 mm
L/W Ratio1.43
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
9.61 mm6.71 mm1.65 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG756536005
Side View
Table 60.0%Crown 32.5°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 61.0%

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: £2,561 GBP|Low: £231 GBP|High: £2,561 GBP|Avg: £831 GBP
Brilliant Earth
Retailer 2
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Retailer 19
October 30, 2026
Retailer 8£231 GBP
Retailer 16£375 GBP
Retailer 17£419 GBP
Retailer 10£424 GBP
Retailer 15£439 GBP
Retailer 2£449 GBP
Retailer 6£513 GBP
Retailer 13£516 GBP
Retailer 14£595 GBP
Retailer 19£638 GBP
Retailer 3£821 GBP
Retailer 9£860 GBP
Retailer 7£888 GBP
Retailer 4£911 GBP
Retailer 5£996 GBP
Retailer 12£1,030 GBP
Retailer 11£1,342 GBP
Retailer 18£1,945 GBP
Brilliant Earth£2,561 GBP

40 data points across 19 retailers

23 retailers£207 GBP to £2,561 GBP

A
Cheapest Retailer
-
£207 GBP
$275 USD
A
Retailer 2
-
£231 GBP
$307 USD
View
Final sale: no returns
A
Retailer 3
-
£240 GBP
$319 USD
View
A
Retailer 4
-
£256 GBP
$341 USD
View
A
Retailer 5
-
£375 GBP
$500 USD
View
A
Retailer 6
-
£419 GBP
€532 EUR
View
A
Retailer 7
-
£424 GBP
$564 USD
View
A
Retailer 8
-
£439 GBP
ZAR 9,452 ZAR
View
A
Retailer 9
-
£449 GBP
View
A
Retailer 10
-
£513 GBP
$683 USD
View
A
Retailer 11
-
£516 GBP
A$1,058 AUD
View
A
Retailer 12
-
£595 GBP
A$1,218 AUD
View
A
Retailer 13
-
£638 GBP
$850 USD
View
A
Retailer 14
-
£821 GBP
SGD 1,477 SGD
View
A
Retailer 15
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£822 GBP
$1,095 USD
View
B+
Retailer 16
-
£860 GBP
$1,145 USD
View
B+
Retailer 17
-
£888 GBP
$1,182 USD
View
B+
Retailer 18
-
£911 GBP
$1,213 USD
View
B+
Retailer 19
-
£996 GBP
View
B+
Retailer 20
-
£1,030 GBP
View
Retailer 21
-
£1,342 GBP
A$2,750 AUD
View
Price last confirmed 21 days ago
Retailer 22
-
£1,945 GBP
$2,590 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
16906427A · Oct 29
£2,561 GBP
$3,410 USD
View
22 more retailers have this diamond
Prices start from £207 GBPSave up to £2,354 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
1.65ct Oval
£207 GBP