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Oval|Lab Grown|IGI

1.64ct E IF Oval Lab Grown Diamond

EX • E/IF • IGI LG731533569

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG731533569

Diamond specifications and retailer prices

From $382 SGD
$298 USD
As of October 26, 2026
Save $3,937 SGD (91%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: $4,319 SGD 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 LG731533569 or 731533569. Listed at 28 retailers as of October 26, 2026, with prices from $382 to $4,319, a $3,937 spread on the same certified stone. Brilliant Earth lists it at $4,319. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG731533569
Dimensions9.72 × 6.66 × 4.10 mm
L/W Ratio1.46
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
9.72 mm6.66 mm1.64 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG731533569
Side View
Table 60.0%Crown 35.2°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.6%

Caratlytics Score

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A
Excellent
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: $4,319 SGD|Low: $367 SGD|High: $4,319 SGD|Avg: $1,268 SGD
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 5
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Retailer 12
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Retailer 20
October 29, 2026
Retailer 3$382 SGD
Retailer 11$427 SGD
Retailer 7$442 SGD
Retailer 5$473 SGD
Retailer 12$473 SGD
Retailer 14$541 SGD
Retailer 17$673 SGD
Retailer 20$688 SGD
Retailer 9$813 SGD
Retailer 16$898 SGD
Retailer 2$934 SGD
Retailer 15$1,217 SGD
Retailer 19$1,453 SGD
Retailer 6$1,679 SGD
Retailer 4$1,774 SGD
Retailer 8$1,930 SGD
Retailer 10$2,031 SGD
Retailer 13$2,105 SGD
Retailer 18$3,179 SGD
Brilliant Earth$4,319 SGD

44 data points across 20 retailers

28 retailers$382 SGD to $4,319 SGD

A
Cheapest Retailer
-
$382 SGD
$298 USD
A
Retailer 2
-
$427 SGD
$333 USD
View
Final sale: no returns
A
Retailer 3
-
$442 SGD
$345 USD
View
A
Retailer 4
-
$473 SGD
$369 USD
View
A
Retailer 5
-
$473 SGD
$369 USD
View
A
Retailer 6
-
$541 SGD
£332 GBP
View
A
Retailer 7
-
$673 SGD
HK$4,100 HKD
View
A
Retailer 8
-
$673 SGD
$525 USD
View
A
Retailer 9
-
$688 SGD
$537 USD
View
A
Retailer 10
-
$813 SGD
$634 USD
View
A
Retailer 11
-
$898 SGD
ZAR 11,313 ZAR
View
A
Retailer 12
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$934 SGD
£574 GBP
View
A
Retailer 13
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$1,183 SGD
$923 USD
View
A
Retailer 14
-
$1,217 SGD
A$1,461 AUD
View
B+
Retailer 15
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$1,453 SGD
$1,134 USD
View
B+
Retailer 16
-
$1,679 SGD
$1,310 USD
View
B+
Retailer 17
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$1,774 SGD
$1,384 USD
View
B+
Retailer 18
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$1,817 SGD
$1,418 USD
View
B+
Retailer 19
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$1,885 SGD
$1,471 USD
View
B+
Retailer 20
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$1,924 SGD
$1,501 USD
View
B+
Retailer 21
-
$1,930 SGD
View
B+
Retailer 22
-
$2,031 SGD
£1,248 GBP
View
B+
Retailer 23
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$2,105 SGD
£1,293 GBP
View
B
Retailer 24
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$3,179 SGD
$2,480 USD
View
B
Retailer 25
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$3,355 SGD
$2,618 USD
View
Price last confirmed 101 days ago
B
Retailer 26
-
$3,384 SGD
$2,640 USD
View
B
Retailer 27
-
$3,793 SGD
£2,330 GBP
View
Most Expensive
B
Brilliant Earth
20152709Y · Oct 29
$4,319 SGD
$3,370 USD
View
27 more retailers have this diamond
Prices start from $382 SGDSave up to $3,937 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
$382 SGD