Round|Natural|GIA

1.01ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 6555357411

Certificate GIA 6555357411

Diamond specifications and retailer prices

From $2,640 SGD
As of November 6, 2026
Save $3,473 SGD (57%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $7,314 SGD at NZ Jewellers · As of October 3, 2026
View at NZ Jewellers

About this 1.01ct natural round diamond

This 1.01ct natural round sits in the classic one-carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6555357411. Listed at 19 retailers as of November 4, 2026, with a 132% 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

1.01
Carat
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6555357411
Dimensions6.41 × 6.45 × 3.97 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather, Needle
Top View
6.41 mm6.45 mm1.01 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555357411
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.8%

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 6
Current: $2,734 SGD|Low: $2,640 SGD|High: $6,348 SGD|Avg: $4,143 SGD|-2.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 7$2,640 SGD
Retailer 1$2,734 SGD
Retailer 9$3,228 SGD
Retailer 4$3,299 SGD
Retailer 2$3,660 SGD
Retailer 3$3,681 SGD
Retailer 5$4,069 SGD
Retailer 6$6,113 SGD
Retailer 8$6,322 SGD

33 data points across 9 retailers

19 retailers$2,640 SGD to $6,113 SGD

A
Cheapest Retailer
-
$2,640 SGD
A
Retailer 2
-
$2,734 SGD
View
A
Retailer 3
-
$3,228 SGD
View
Final sale: no returns
A
Retailer 4
-
$3,236 SGD
View
A
Retailer 5
-
$3,259 SGD
View
A
Retailer 6
-
$3,299 SGD
View
Retailer 7
-
$3,499 SGD
View
Price last confirmed 44 days ago
Retailer 8
-
$3,499 SGD
View
Price last confirmed 29 days ago
Retailer 9
-
$3,499 SGD
View
Price last confirmed 29 days ago
Retailer 10
-
$3,633 SGD
View
Price last confirmed 38 days ago
B+
Retailer 11
-
$3,660 SGD
View
B+
Retailer 12
-
$3,679 SGD
View
B+
Retailer 13
-
$3,681 SGD
View
Retailer 14
-
$4,037 SGD
View
Price last confirmed 45 days ago
B+
Retailer 15
-
$4,069 SGD
View
B
Retailer 16
-
$6,113 SGD
View
Retailer 17
-
$6,322 SGD
View
Price last confirmed 9 days ago
Retailer 18
-
$7,314 SGD
View
Price last confirmed 46 days ago
Most Expensive
NZ Jewellers
cf057fcd-fd3e-488b-8461-1d9bbb065034 · Oct 3
$7,314 SGD
$5,707 USD
View
Price last confirmed 34 days ago
18 more retailers have this diamond
Prices start from $2,640 SGDSave up to $3,473 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
1.01ct Round
$2,640 SGD