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Round|Natural|GIA

1.05ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 6555581750

Certificate GIA 6555581750

Diamond specifications and retailer prices

From $2,250 USD
As of November 4, 2026
Save $2,960 USD (57%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $5,210 USD at NZ Jewellers · As of November 5, 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 F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6555581750. Listed at 12 retailers as of November 4, 2026, with prices from $2,250 to $5,210, a $2,960 spread on the same certified stone. NZ Jewellers lists it at $5,210. 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
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6555581750
Dimensions6.52 × 6.50 × 4.06 mm
L/W Ratio1.00
Star length50%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
6.52 mm6.50 mm1.05 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555581750
Side View
Table 56.0%Crown 34.5°Girdle: MED-STKPavilion 41°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 4
Current: $5,210 USD|Low: $2,250 USD|High: $5,422 USD|Avg: $3,029 USD|-3.9%
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 6, 2026
Retailer 11$2,250 USD
Retailer 2$2,253 USD
Retailer 3$2,423 USD
Retailer 12$2,492 USD
Retailer 4$2,517 USD
Retailer 9$2,607 USD
Retailer 6$2,621 USD
Retailer 5$2,684 USD
Retailer 10$2,875 USD
Retailer 7$3,091 USD
Retailer 8$4,353 USD
NZ Jewellers$5,210 USD

29 data points across 12 retailers

12 retailers$2,250 USD to $5,210 USD

A
Cheapest Retailer
-
$2,250 USD
A
Retailer 2
-
$2,253 USD
View
A
Retailer 3
-
$2,423 USD
View
A
Retailer 4
-
$2,492 USD
View
Retailer 5
-
$2,517 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$2,607 USD
View
A
Retailer 7
-
$2,621 USD
View
A
Retailer 8
-
$2,684 USD
View
A
Retailer 9
-
$2,875 USD
View
B+
Retailer 10
-
$3,091 USD
View
B+
Retailer 11
-
$4,353 USD
View
Most Expensive
B
NZ Jewellers
d751fad7-a16e-4d9a-8ba7-00bbc9bdd159 · Nov 5
$5,210 USD
View
11 more retailers have this diamond
Prices start from $2,250 USDSave up to $2,960 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
$2,250 USD