Oval|Lab Grown|IGI

1.64ct E IF Oval Lab Grown Diamond

EX • E/IF • IGI LG813630780

Certificate IGI LG813630780

Diamond specifications and retailer prices

From $627 USD
Save $2,425 USD (79%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,500 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 LG813630780 or 813630780. Listed at 18 retailers, with a 387% 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

1.64
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG813630780
Dimensions9.80 × 6.57 × 4.11 mm
L/W Ratio1.49
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
9.80 mm6.57 mm1.64 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG813630780
Side View
Table 59.0%Crown 35.3°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.6%

Caratlytics Score

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

Price History

Last verified: Oct 1
Current: $4,500 USD|Low: $447 USD|High: $4,500 USD|Avg: $1,448 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
Retailer 17
September 30, 2026
Retailer 15$627 USD
Retailer 10$750 USD
Retailer 9$755 USD
Retailer 2$915 USD
Retailer 4$932 USD
Retailer 12$1,033 USD
Retailer 16$1,058 USD
Retailer 17$1,167 USD
Retailer 5$1,267 USD
Retailer 7$1,660 USD
Retailer 3$2,027 USD
Retailer 13$2,199 USD
Retailer 8$2,252 USD
Retailer 6$2,343 USD
Retailer 14$2,646 USD
Retailer 11$3,052 USD
Brilliant Earth$4,500 USD

32 data points across 17 retailers

18 retailers$627 USD to $3,052 USD

A
Cheapest Retailer
-
$627 USD
A
Retailer 2
-
$750 USD
View
A
Retailer 3
-
$755 USD
HK$5,900 HKD
View
Price last confirmed 27 days ago
A
Retailer 4
-
$915 USD
View
A
Retailer 5
-
$932 USD
View
A
Retailer 6
-
$1,033 USD
€984 EUR
View
A
Retailer 7
-
$1,058 USD
£833 GBP
View
Price last confirmed 12 days ago
B+
Retailer 8
-
$1,167 USD
ZAR 18,849 ZAR
View
Price last confirmed 12 days ago
B+
Retailer 9
-
$1,267 USD
View
Price last confirmed 10 days ago
B+
Retailer 10
-
$1,660 USD
View
B
Retailer 11
-
$2,027 USD
£1,596 GBP
View
Price last confirmed 10 days ago
B
Retailer 12
-
$2,199 USD
SGD 2,971 SGD
View
B
Retailer 13
-
$2,252 USD
View
B
Retailer 14
-
$2,343 USD
View
B
Retailer 15
-
$2,460 USD
View
B
Retailer 16
-
$2,646 USD
View
B
Retailer 17
-
$3,052 USD
£2,403 GBP
View
Most Expensive
B
Brilliant Earth
20609651A · Sep 16
$4,500 USD
View
Price last confirmed 15 days ago
17 more retailers have this diamond
Prices start from $627 USDSave up to $2,425 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
$627 USD