Radiant|Natural|GIA

1.00ct F SI1 Radiant Natural Diamond

GD • F/SI1 • GIA 1485535506

Certificate GIA 1485535506

Diamond specifications and retailer prices

From $2,657 SGD
As of November 6, 2026
Save $3,228 SGD (55%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $7,042 SGD at NZ Jewellers · As of September 30, 2026
View at NZ Jewellers

About this 1ct natural radiant diamond

This 1ct natural radiant sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 1485535506. Listed at 16 retailers as of November 4, 2026, with a 122% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
F
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1485535506
Dimensions7.08 × 4.94 × 3.48 mm
L/W Ratio1.43
Key to symbols
Crystal, Feather, Needle
Top View
7.08 mm4.94 mm1.00 ctF / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1485535506
Side View
Table 60.0%CrownGirdlePavilionCulet: NoneDepth 70.4%

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: Nov 6
Current: $3,564 SGD|Low: $2,625 SGD|High: $5,972 SGD|Avg: $3,703 SGD|+3.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 7, 2026
Retailer 5$2,657 SGD
Retailer 9$2,820 SGD
Retailer 6$3,017 SGD
Retailer 7$3,108 SGD
Retailer 1$3,564 SGD
Retailer 8$3,773 SGD
Retailer 3$4,111 SGD
Retailer 2$4,182 SGD
Retailer 4$5,885 SGD

43 data points across 9 retailers

16 retailers$2,657 SGD to $5,885 SGD

B+
Cheapest Retailer
-
$2,657 SGD
B+
Retailer 2
-
$3,017 SGD
View
B+
Retailer 3
-
$3,108 SGD
View
Final sale: no returns
B+
Retailer 4
-
$3,326 SGD
View
Retailer 5
-
$3,368 SGD
View
Price last confirmed 30 days ago
Retailer 6
-
$3,368 SGD
View
Price last confirmed 30 days ago
Retailer 7
-
$3,497 SGD
View
Price last confirmed 38 days ago
B
Retailer 8
-
$3,549 SGD
View
B
Retailer 9
-
$3,564 SGD
View
Retailer 10
-
$3,773 SGD
View
Price last confirmed 31 days ago
B
Retailer 11
-
$3,832 SGD
View
Retailer 12
-
$3,887 SGD
View
Price last confirmed 39 days ago
B
Retailer 13
-
$4,111 SGD
View
B
Retailer 14
-
$4,182 SGD
View
B
Retailer 15
-
$5,885 SGD
View
Most Expensive
NZ Jewellers
6ca4d90c-42b1-4afc-b3c3-7b7309084ade · Sep 30
$7,042 SGD
$5,495 USD
View
Price last confirmed 37 days ago
15 more retailers have this diamond
Prices start from $2,657 SGDSave up to $3,228 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+
1.00ct Radiant
$2,657 SGD