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Round|Natural|GIA

1.00ct G SI2 Round Natural Diamond

VG • G/SI2 • GIA 2566302813

Certificate GIA 2566302813

Diamond specifications and retailer prices

From $1,502 USD
Save $2,830 USD (65%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $4,332 USD at NZ Jewellers
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 2566302813. Listed at 19 retailers, with prices from $1,502 to $4,332 at NZ Jewellers, a $2,830 spread on the same certified stone. 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
G
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.5°
Pavilion angle42.2°
OriginNatural
Grading LabGIA
CertificateGIA 2566302813
Dimensions6.29 × 6.23 × 4.02 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
6.29 mm6.23 mm1.00 ctG / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2566302813
Side View
Table 61.0%Crown 34.5°Girdle: STK-THKPavilion 42.2°Culet: NDepth 64.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 1
Current: $4,332 USD|Low: $1,502 USD|High: $4,332 USD|Avg: $2,271 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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 1, 2026
Retailer 16$1,502 USD
Retailer 9$1,536 USD
Retailer 2$1,606 USD
Retailer 7$1,832 USD
Retailer 13$1,840 USD
Retailer 18$1,890 USD
Retailer 14$1,934 USD
Retailer 12$2,053 USD
Retailer 6$2,072 USD
Retailer 10$2,159 USD
Retailer 15$2,168 USD
Retailer 17$2,236 USD
Retailer 3$2,391 USD
Retailer 5$2,394 USD
Retailer 11$2,625 USD
Retailer 8$3,003 USD
Retailer 4$3,669 USD
NZ Jewellers$4,332 USD

8 data points across 18 retailers

19 retailers$1,502 USD to $4,332 USD

A
Cheapest Retailer
-
$1,502 USD
A
Retailer 2
-
$1,536 USD
HK$12,000 HKD
View
A
Retailer 3
-
$1,606 USD
₹152,912 INR
View
B+
Retailer 4
-
$1,832 USD
View
B+
Retailer 5
-
$1,840 USD
View
B+
Retailer 6
-
$1,851 USD
SGD 2,501 SGD
View
A
Retailer 7
-
$1,890 USD
View
A
Retailer 8
-
$1,934 USD
£1,523 GBP
View
B+
Retailer 9
-
$2,053 USD
View
B+
Retailer 10
-
$2,072 USD
View
B+
Retailer 11
-
$2,159 USD
SGD 2,918 SGD
View
B+
Retailer 12
-
$2,168 USD
View
A
Retailer 13
-
$2,236 USD
£1,760 GBP
View
B+
Retailer 14
-
$2,391 USD
View
B+
Retailer 15
-
$2,394 USD
£1,885 GBP
View
B+
Retailer 16
-
$2,625 USD
€2,500 EUR
View
B
Retailer 17
-
$3,003 USD
View
B
Retailer 18
-
$3,669 USD
£2,889 GBP
View
Most Expensive
B
NZ Jewellers
9c6ff949-ce4a-4acc-9b13-f7be2cf9e6a6 · Sep 28
$4,332 USD
View
18 more retailers have this diamond
Prices start from $1,502 USDSave up to $2,830 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.

A
1.00ct Round
$1,502 USD