Oval|Lab Grown|IGI

1.64ct E IF Oval Lab Grown Diamond

ID • E/IF • IGI LG788640224

Certificate IGI LG788640224

Diamond specifications and retailer prices

From $510 USD
Save $2,980 USD (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,490 USD at Brilliant Earth
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 LG788640224 or 788640224. Listed at 16 retailers, with prices from $510 to $3,490 at Brilliant Earth, a $2,980 spread on the same certified stone. 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
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788640224
Dimensions9.61 × 6.54 × 4.01 mm
L/W Ratio1.47
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 mm6.54 mm1.64 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788640224
Side View
Table 59.0%Crown 37°Girdle: MED-STKPavilion 38.8°Culet: NoneDepth 61.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 30
Current: $3,490 USD|Low: $204 USD|High: $3,490 USD|Avg: $863 USD
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 1, 2026
Retailer 8$204 USD
Retailer 10$510 USD
Retailer 9$512 USD
Retailer 3$570 USD
Retailer 13$580 USD
Retailer 12$616 USD
Retailer 11$635 USD
Retailer 14$703 USD
Retailer 16$812 USD
Retailer 5$1,018 USD
Retailer 4$1,175 USD
Retailer 6$1,215 USD
Retailer 2$1,472 USD
Retailer 7$1,489 USD
Retailer 15$1,527 USD
Brilliant Earth$3,490 USD

36 data points across 16 retailers

16 retailers$510 USD to $3,490 USD

A
Cheapest Retailer
-
$510 USD
A
Retailer 2
-
$512 USD
View
A
Retailer 3
-
$570 USD
View
A
Retailer 4
-
$580 USD
€552 EUR
View
A
Retailer 5
-
$616 USD
ZAR 9,957 ZAR
View
A
Retailer 6
-
$636 USD
£501 GBP
View
A
Retailer 7
-
$703 USD
View
A
Retailer 8
-
$812 USD
View
A
Retailer 9
-
$1,018 USD
View
B+
Retailer 10
-
$1,175 USD
View
B+
Retailer 11
-
$1,215 USD
View
B+
Retailer 12
-
$1,392 USD
View
B+
Retailer 13
-
$1,472 USD
£1,159 GBP
View
B+
Retailer 14
-
$1,489 USD
View
B+
Retailer 15
-
$1,527 USD
View
Most Expensive
B
Brilliant Earth
18549542A · Sep 29
$3,490 USD
View
15 more retailers have this diamond
Prices start from $510 USDSave up to $2,980 USD

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.

A
1.64ct Oval
$510 USD