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Oval|Lab Grown|IGI

1.64ct E IF Oval Lab Grown Diamond

ID • E/IF • IGI LG683535098

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG683535098

Diamond specifications and retailer prices

From £211 GBP
$281 USD
As of October 26, 2026
Save £2,335 GBP (92%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £2,546 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.64ct lab-grown oval diamond

This 1.64ct 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 LG683535098 or 683535098. Listed at 20 retailers as of October 26, 2026, with prices from £211 to £2,546, a £2,335 spread on the same certified stone. Brilliant Earth lists it at £2,546. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.64
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG683535098
Dimensions9.46 × 6.60 × 4.18 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
9.46 mm6.60 mm1.64 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG683535098
Side View
Table 59.0%Crown 35.9°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 63.3%

Caratlytics Score

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A+
Exceptional
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 26
Current: £2,546 GBP|Low: £211 GBP|High: £2,621 GBP|Avg: £837 GBP|-2.9%
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
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Retailer 11
Retailer 12
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Retailer 19
October 29, 2026
Retailer 11£211 GBP
Retailer 17£227 GBP
Retailer 9£261 GBP
Retailer 7£390 GBP
Retailer 3£417 GBP
Retailer 8£427 GBP
Retailer 4£433 GBP
Retailer 2£442 GBP
Retailer 14£452 GBP
Retailer 5£586 GBP
Retailer 10£689 GBP
Retailer 19£848 GBP
Retailer 15£876 GBP
Retailer 18£969 GBP
Retailer 13£1,015 GBP
Retailer 12£1,045 GBP
Retailer 6£1,065 GBP
Retailer 16£1,941 GBP
Brilliant Earth£2,546 GBP

33 data points across 19 retailers

20 retailers£211 GBP to £2,546 GBP

A+
Cheapest Retailer
-
£211 GBP
$281 USD
A
Retailer 2
-
£227 GBP
$302 USD
View
Final sale: no returns
A
Retailer 3
-
£261 GBP
$348 USD
View
A
Retailer 4
-
£390 GBP
$520 USD
View
A
Retailer 5
-
£417 GBP
$555 USD
View
A
Retailer 6
-
£433 GBP
ZAR 9,308 ZAR
View
A
Retailer 7
-
£442 GBP
View
A
Retailer 8
-
£452 GBP
$602 USD
View
A
Retailer 9
-
£586 GBP
A$1,200 AUD
View
A
Retailer 10
-
£689 GBP
$918 USD
View
B+
Retailer 11
-
£848 GBP
$1,129 USD
View
B+
Retailer 12
-
£876 GBP
$1,167 USD
View
B+
Retailer 13
-
£969 GBP
$1,290 USD
View
B+
Retailer 14
-
£1,015 GBP
View
B+
Retailer 15
-
£1,045 GBP
$1,391 USD
View
B+
Retailer 16
-
£1,065 GBP
$1,418 USD
View
B
Retailer 17
-
£1,809 GBP
A$3,707 AUD
View
Price last confirmed 117 days ago
B
Retailer 18
-
£1,941 GBP
$2,585 USD
View
B
Retailer 19
-
£1,960 GBP
$2,610 USD
View
Price last confirmed 24 days ago
Most Expensive
B
Brilliant Earth
14271306A · Oct 29
£2,546 GBP
$3,390 USD
View
19 more retailers have this diamond
Prices start from £211 GBPSave up to £2,335 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+
1.64ct Oval
£211 GBP