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Radiant|Natural|GIA

1.05ct F SI2 Radiant Natural Diamond

ID • F/SI2 • GIA 6551511426

Certificate GIA 6551511426

Diamond specifications and retailer prices

From $1,932 SGD
HK$11,800 HKD
As of November 1, 2026
Save $4,147 SGD (68%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $6,079 SGD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.05ct natural radiant diamond

This 1.05ct natural radiant sits in the classic one-carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6551511426. Listed at 13 retailers as of October 30, 2026, with prices from $1,932 to $6,079, a $4,147 spread on the same certified stone. NZ Jewellers lists it at $6,079. 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

1.05
Carat
F
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551511426
Dimensions7.29 × 5.01 × 3.45 mm
L/W Ratio1.46
Culet sizeNone
Key to symbols
Feather, Crystal, Needle
Top View
7.29 mm5.01 mm1.05 ctF / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551511426
Side View
Table 66.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 68.8%

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 1
Current: $6,079 SGD|Low: $1,874 SGD|High: $6,079 SGD|Avg: $2,859 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 7$1,932 SGD
Retailer 2$1,949 SGD
Retailer 11$2,301 SGD
Retailer 5$2,464 SGD
Retailer 10$2,493 SGD
Retailer 12$2,546 SGD
Retailer 9$2,606 SGD
Retailer 3$2,676 SGD
Retailer 4$2,728 SGD
Retailer 8$2,875 SGD
Retailer 6$4,366 SGD
NZ Jewellers$6,079 SGD

42 data points across 12 retailers

13 retailers$1,932 SGD to $6,079 SGD

A
Cheapest Retailer
-
$1,932 SGD
HK$11,800 HKD
A
Retailer 2
-
$1,949 SGD
₹145,149 INR
View
A
Retailer 3
-
$2,301 SGD
$1,799 USD
View
Final sale: no returns
A
Retailer 4
-
$2,464 SGD
£1,517 GBP
View
A
Retailer 5
-
$2,493 SGD
$1,949 USD
View
A
Retailer 6
-
$2,546 SGD
$1,991 USD
View
A
Retailer 7
-
$2,606 SGD
$2,038 USD
View
A
Retailer 8
-
$2,676 SGD
View
A
Retailer 9
-
$2,728 SGD
$2,133 USD
View
A
Retailer 10
-
$2,775 SGD
A$3,338 AUD
View
A
Retailer 11
-
$2,875 SGD
$2,248 USD
View
B+
Retailer 12
-
$4,366 SGD
£2,688 GBP
View
Most Expensive
B
NZ Jewellers
43c1ca4a-2d18-4d67-a624-6c6a5a43d327 · Oct 30
$6,079 SGD
$4,753 USD
View
12 more retailers have this diamond
Prices start from $1,932 SGDSave up to $4,147 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
1.05ct Radiant
$1,932 SGD