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Round|Natural|GIA

1.00ct F I1 Round Natural Diamond

VG • F/I1 • GIA 2427191880

Certificate GIA 2427191880

Diamond specifications and retailer prices

From $1,549 USD
HK$12,100 HKD
As of November 1, 2026
Save $2,780 USD (64%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,329 USD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded F colour (colourless) and I1 clarity (included), with a very-good cut grade and certified by GIA 2427191880. Listed at 12 retailers as of October 30, 2026, with prices from $1,549 to $4,329, a $2,780 spread on the same certified stone. NZ Jewellers lists it at $4,329. 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
Color
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2427191880
Dimensions6.35 × 6.32 × 4.01 mm
L/W Ratio1.00
Top View
6.35 mm6.32 mm1.00 ctF / I1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2427191880
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 63.3%

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: $4,329 USD|Low: $1,536 USD|High: $4,329 USD|Avg: $2,200 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 1, 2026
Retailer 7$1,549 USD
Retailer 8$1,670 USD
Retailer 14$1,709 USD
Retailer 10$1,712 USD
Retailer 11$1,876 USD
Retailer 13$1,876 USD
Retailer 9$1,963 USD
Retailer 12$2,165 USD
Retailer 4$2,190 USD
Retailer 6$2,190 USD
Retailer 5$2,260 USD
Retailer 3$2,464 USD
Retailer 2$2,815 USD
NZ Jewellers$4,329 USD

20 data points across 14 retailers

12 retailers$1,549 USD to $4,329 USD

A
Cheapest Retailer
-
$1,549 USD
HK$12,100 HKD
Retailer 2
-
$1,670 USD
View
Price last confirmed 11 days ago
B+
Retailer 3
-
$1,712 USD
View
B+
Retailer 4
-
$1,876 USD
View
B+
Retailer 5
-
$1,876 USD
View
B+
Retailer 6
-
$1,963 USD
View
B+
Retailer 7
-
$2,165 USD
View
B+
Retailer 8
-
$2,190 USD
View
B+
Retailer 9
-
$2,190 USD
View
B+
Retailer 10
-
$2,260 USD
View
B
Retailer 11
-
$2,815 USD
€2,681 EUR
View
Most Expensive
C
NZ Jewellers
528965f7-c450-4b87-946b-a2ca3b83e97e · Oct 30
$4,329 USD
View
11 more retailers have this diamond
Prices start from $1,549 USDSave up to $2,780 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
1.00ct Round
$1,549 USD