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Round|Natural|GIA

1.05ct M IF Round Natural Diamond

EX • M/IF • GIA 1555426188

Certificate GIA 1555426188

Diamond specifications and retailer prices

From $1,612 USD
As of November 6, 2026
Save $1,300 USD (45%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,486 USD at NZ Jewellers · As of October 17, 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 M colour (faint-tinted) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 1555426188. Listed at 12 retailers as of November 5, 2026, with a 81% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
M
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1555426188
Dimensions6.56 × 6.58 × 4.01 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Top View
6.56 mm6.58 mm1.05 ctM / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1555426188
Side View
Table 60.0%Crown 34.5°Girdle: THN-MEDPavilion 41.2°Culet: NoneDepth 61.0%

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: $1,676 USD|Low: $1,600 USD|High: $2,938 USD|Avg: $2,172 USD|-2.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 4$1,612 USD
Retailer 1$1,676 USD
Retailer 5$2,010 USD
Retailer 6$2,145 USD
Retailer 2$2,618 USD
Retailer 3$2,912 USD

46 data points across 6 retailers

12 retailers$1,612 USD to $2,912 USD

A
Cheapest Retailer
-
$1,612 USD
A
Retailer 2
-
$1,676 USD
View
B+
Retailer 3
-
$2,010 USD
View
Retailer 4
-
$2,145 USD
View
Price last confirmed 21 days ago
Retailer 5
-
$2,145 USD
View
Price last confirmed 17 days ago
B+
Retailer 6
-
$2,165 USD
View
Retailer 7
-
$2,245 USD
View
Price last confirmed 22 days ago
B+
Retailer 8
-
$2,284 USD
View
Retailer 9
-
$2,476 USD
View
Price last confirmed 19 days ago
B+
Retailer 10
-
$2,618 USD
View
B+
Retailer 11
-
$2,912 USD
View
Most Expensive
NZ Jewellers
7273b80c-0a99-4a19-98e6-bd40b8a85516 · Oct 17
$4,486 USD
View
Price last confirmed 19 days ago
11 more retailers have this diamond
Prices start from $1,612 USDSave up to $1,300 USD

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
$1,612 USD