CaratHunter
Plans
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 $400 AUD
$281 USD
As of October 26, 2026
Save $4,425 AUD (92%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $4,825 AUD 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 $400 to $4,825, a $4,425 spread on the same certified stone. Brilliant Earth lists it at $4,825. 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

How it works →
A+
Exceptional
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 26
Current: $4,825 AUD|Low: $400 AUD|High: $4,968 AUD|Avg: $1,587 AUD|-2.9%
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 11$400 AUD
Retailer 17$430 AUD
Retailer 9$495 AUD
Retailer 7$740 AUD
Retailer 3$790 AUD
Retailer 8$809 AUD
Retailer 4$820 AUD
Retailer 2$839 AUD
Retailer 14$857 AUD
Retailer 5$1,110 AUD
Retailer 10$1,307 AUD
Retailer 19$1,607 AUD
Retailer 15$1,661 AUD
Retailer 18$1,836 AUD
Retailer 13$1,923 AUD
Retailer 12$1,980 AUD
Retailer 6$2,019 AUD
Retailer 16$3,679 AUD
Brilliant Earth$4,825 AUD

33 data points across 19 retailers

20 retailers$400 AUD to $4,825 AUD

A+
Cheapest Retailer
-
$400 AUD
$281 USD
A
Retailer 2
-
$430 AUD
$302 USD
View
Final sale: no returns
A
Retailer 3
-
$495 AUD
$348 USD
View
A
Retailer 4
-
$740 AUD
$520 USD
View
A
Retailer 5
-
$790 AUD
$555 USD
View
A
Retailer 6
-
$820 AUD
ZAR 9,308 ZAR
View
A
Retailer 7
-
$839 AUD
£464 GBP
View
A
Retailer 8
-
$857 AUD
$602 USD
View
A
Retailer 9
-
$1,110 AUD
View
A
Retailer 10
-
$1,307 AUD
$918 USD
View
B+
Retailer 11
-
$1,607 AUD
$1,129 USD
View
B+
Retailer 12
-
$1,661 AUD
$1,167 USD
View
B+
Retailer 13
-
$1,836 AUD
$1,290 USD
View
B+
Retailer 14
-
$1,923 AUD
£1,064 GBP
View
B+
Retailer 15
-
$1,980 AUD
$1,391 USD
View
B+
Retailer 16
-
$2,019 AUD
$1,418 USD
View
B
Retailer 17
-
$3,430 AUD
View
Price last confirmed 117 days ago
B
Retailer 18
-
$3,679 AUD
$2,585 USD
View
B
Retailer 19
-
$3,715 AUD
$2,610 USD
View
Price last confirmed 24 days ago
Most Expensive
B
Brilliant Earth
14271306A · Oct 29
$4,825 AUD
$3,390 USD
View
19 more retailers have this diamond
Prices start from $400 AUDSave up to $4,425 AUD

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
$400 AUD