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Round|Natural|GIA

1.05ct I I1 Round Natural Diamond

EX • I/I1 • GIA 6421559167

Certificate GIA 6421559167

Diamond specifications and retailer prices

From $2,308 SGD
₹171,918 INR
As of October 31, 2026
Save $4,297 SGD (65%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $6,604 SGD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.05ct natural round diamond

This 1.05ct natural round sits in the classic one-carat band, graded I colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 6421559167. Listed at 9 retailers as of October 30, 2026, with prices from $2,308 to $6,604, a $4,297 spread on the same certified stone. NZ Jewellers lists it at $6,604. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
I
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6421559167
Dimensions6.53 × 6.50 × 4.01 mm
L/W Ratio1.00
Top View
6.53 mm6.50 mm1.05 ctI / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6421559167
Side View
Table 58.0%Crown 33.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.5%

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: Oct 31
Current: $6,604 SGD|Low: $2,291 SGD|High: $6,604 SGD|Avg: $3,442 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 3$2,308 SGD
Retailer 4$2,324 SGD
Retailer 2$2,846 SGD
Retailer 7$2,853 SGD
Retailer 8$3,159 SGD
Retailer 10$3,159 SGD
Retailer 6$3,305 SGD
Retailer 9$3,645 SGD
Retailer 5$3,945 SGD
NZ Jewellers$6,604 SGD

44 data points across 10 retailers

9 retailers$2,308 SGD to $6,604 SGD

A
Cheapest Retailer
-
$2,308 SGD
₹171,918 INR
B+
Retailer 2
-
$2,324 SGD
HK$14,200 HKD
View
B+
Retailer 3
-
$2,846 SGD
$2,226 USD
View
B
Retailer 4
-
$3,159 SGD
$2,471 USD
View
B
Retailer 5
-
$3,159 SGD
$2,471 USD
View
B
Retailer 6
-
$3,305 SGD
$2,585 USD
View
B
Retailer 7
-
$3,645 SGD
$2,851 USD
View
B
Retailer 8
-
$3,945 SGD
€2,939 EUR
View
Most Expensive
C
NZ Jewellers
2754411f-91b0-46d0-ac2f-dcc3467d68ab · Oct 30
$6,604 SGD
$5,166 USD
View
8 more retailers have this diamond
Prices start from $2,308 SGDSave up to $4,297 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 Round
$2,308 SGD