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Round|Natural|GIA

0.65ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 6552580188

Certificate GIA 6552580188

Diamond specifications and retailer prices

From $835 SGD
HK$5,100 HKD
As of November 1, 2026
Save $2,697 SGD (76%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,553 SGD at NZ Jewellers · As of September 11, 2026
View at NZ Jewellers

About this 0.65ct natural round diamond

This 0.65ct natural round sits in the half to three-quarter carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6552580188. Listed at 18 retailers as of November 1, 2026, with a 323% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.65
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6552580188
Dimensions5.53 × 5.50 × 3.45 mm
L/W Ratio1.01
Girdle conditionFaceted
Key to symbols
Crystal
Top View
5.53 mm5.50 mm0.65 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6552580188
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
A
Excellent
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: Nov 1
Current: $3,532 SGD|Low: $835 SGD|High: $3,566 SGD|Avg: $1,368 SGD|-0.9%
NZ Jewellers
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
November 2, 2026
Retailer 6$835 SGD
Retailer 2$840 SGD
Retailer 12$873 SGD
Retailer 3$1,035 SGD
Retailer 13$1,040 SGD
Retailer 11$1,046 SGD
Retailer 16$1,127 SGD
Retailer 15$1,170 SGD
Retailer 7$1,178 SGD
Retailer 4$1,308 SGD
Retailer 5$1,324 SGD
Retailer 9$1,456 SGD
Retailer 14$1,542 SGD
Retailer 8$1,726 SGD
Retailer 10$2,063 SGD
NZ Jewellers$3,532 SGD

31 data points across 16 retailers

18 retailers$835 SGD to $3,532 SGD

A
Cheapest Retailer
-
$835 SGD
HK$5,100 HKD
A
Retailer 2
-
$840 SGD
₹62,560 INR
View
A
Retailer 3
-
$873 SGD
$683 USD
View
Final sale: no returns
A
Retailer 4
-
$1,035 SGD
A$1,245 AUD
View
A
Retailer 5
-
$1,040 SGD
$813 USD
View
A
Retailer 6
-
$1,046 SGD
€779 EUR
View
A
Retailer 7
-
$1,127 SGD
$881 USD
View
Retailer 8
-
$1,133 SGD
$886 USD
View
Price last confirmed 53 days ago
A
Retailer 9
-
$1,170 SGD
$915 USD
View
A
Retailer 10
-
$1,178 SGD
View
B+
Retailer 11
-
$1,308 SGD
$1,023 USD
View
B+
Retailer 12
-
$1,324 SGD
$1,035 USD
View
B+
Retailer 13
-
$1,456 SGD
€1,084 EUR
View
B+
Retailer 14
-
$1,542 SGD
$1,206 USD
View
Retailer 15
-
$1,726 SGD
A$2,076 AUD
View
Price last confirmed 29 days ago
B
Retailer 16
-
$2,063 SGD
£1,270 GBP
View
B
Retailer 17
-
$3,532 SGD
$2,762 USD
View
Most Expensive
NZ Jewellers
e8286dc9-425c-4c08-b5d3-007cf7aabede · Sep 11
$3,553 SGD
$2,778 USD
View
Price last confirmed 52 days ago
17 more retailers have this diamond
Prices start from $835 SGDSave up to $2,697 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
0.65ct Round
$835 SGD