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1.64ct E IF Round Natural Diamond

EX • E/IF • GIA 5222650249

Shape and cutting style on the report: Round brilliant

Certificate GIA 5222650249

Diamond specifications and retailer prices

From $34,093 SGD
$26,600 USD
As of October 28, 2026
Save $18,573 SGD (35%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $52,666 SGD at Diamond Quarter · As of October 28, 2026
View at Diamond Quarter

About this 1.64ct natural round diamond

This 1.64ct natural round 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 GIA 5222650249. Listed at 4 retailers as of October 28, 2026, with prices from $34,093 to $52,666, a $18,573 spread on the same certified stone. Diamond Quarter lists it at $52,666. 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
FluorescenceFaint
Crown angle32°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 5222650249
Dimensions7.77 × 7.80 × 4.55 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
7.77 mm7.80 mm1.64 ctE / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5222650249
Side View
Table 59.0%Crown 32°Girdle: THN-MEDPavilion 41°Culet: NoneDepth 58.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $31,868 SGD|Low: $22,461 SGD|High: $54,452 SGD|Avg: $33,411 SGD|-3.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
September 1, 2026
Retailer 3$22,461 SGD
Retailer 1$31,868 SGD
Retailer 2$32,373 SGD
Retailer 9$34,093 SGD
Retailer 10$34,093 SGD
Retailer 7$34,359 SGD
Retailer 5$35,046 SGD
Retailer 8$35,234 SGD
Retailer 4$36,098 SGD
Retailer 11$37,368 SGD
Retailer 6$54,452 SGD

51 data points across 11 retailers

4 retailers$34,093 SGD to $52,666 SGD

B+
Cheapest Retailer
-
$34,093 SGD
$26,600 USD
B+
Retailer 2
-
$34,093 SGD
$26,600 USD
View
B+
Retailer 3
-
$35,234 SGD
$27,490 USD
View
Most Expensive
B
Diamond Quarter
1.64IFE52493321N · Oct 28
$52,666 SGD
£32,355 GBP
View
3 more retailers have this diamond
Prices start from $34,093 SGDSave up to $18,573 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.

B+
1.64ct Round
$34,093 SGD