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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 $360 SGD
$281 USD
As of October 26, 2026
Save $3,986 SGD (92%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $4,346 SGD at Brilliant Earth · As of October 28, 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 21 retailers as of October 26, 2026, with prices from $360 to $4,346, a $3,986 spread on the same certified stone. Brilliant Earth lists it at $4,346. 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: $4,346 SGD|Low: $360 SGD|High: $4,487 SGD|Avg: $1,459 SGD|-3.1%
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$360 SGD
Retailer 16$387 SGD
Retailer 9$446 SGD
Retailer 7$667 SGD
Retailer 19$712 SGD
Retailer 8$728 SGD
Retailer 3$739 SGD
Retailer 6$751 SGD
Retailer 13$772 SGD
Retailer 4$1,000 SGD
Retailer 10$1,177 SGD
Retailer 18$1,447 SGD
Retailer 14$1,496 SGD
Retailer 17$1,654 SGD
Retailer 12$1,732 SGD
Retailer 2$1,783 SGD
Retailer 5$1,819 SGD
Retailer 15$3,314 SGD
Brilliant Earth$4,346 SGD

33 data points across 19 retailers

21 retailers$360 SGD to $4,346 SGD

A+
Cheapest Retailer
-
$360 SGD
$281 USD
A
Retailer 2
-
$387 SGD
$302 USD
View
Final sale: no returns
A
Retailer 3
-
$446 SGD
$348 USD
View
A
Retailer 4
-
$667 SGD
$520 USD
View
A
Retailer 5
-
$712 SGD
$555 USD
View
A
Retailer 6
-
$728 SGD
€541 EUR
View
Price last confirmed 10 days ago
A
Retailer 7
-
$739 SGD
ZAR 9,308 ZAR
View
A
Retailer 8
-
$751 SGD
£461 GBP
View
A
Retailer 9
-
$772 SGD
$602 USD
View
A
Retailer 10
-
$1,000 SGD
A$1,200 AUD
View
A
Retailer 11
-
$1,177 SGD
$918 USD
View
B+
Retailer 12
-
$1,447 SGD
$1,129 USD
View
B+
Retailer 13
-
$1,496 SGD
$1,167 USD
View
B+
Retailer 14
-
$1,654 SGD
$1,290 USD
View
B+
Retailer 15
-
$1,732 SGD
£1,064 GBP
View
B+
Retailer 16
-
$1,783 SGD
$1,391 USD
View
B+
Retailer 17
-
$1,819 SGD
$1,418 USD
View
B
Retailer 18
-
$3,089 SGD
A$3,707 AUD
View
Price last confirmed 117 days ago
B
Retailer 19
-
$3,314 SGD
$2,585 USD
View
B
Retailer 20
-
$3,346 SGD
$2,610 USD
View
Price last confirmed 24 days ago
Most Expensive
B
Brilliant Earth
14271306A · Oct 28
$4,346 SGD
$3,390 USD
View
20 more retailers have this diamond
Prices start from $360 SGDSave up to $3,986 SGD

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
$360 SGD