Round|Natural|GIA

1.02ct I SI1 Round Natural Diamond

VG • I/SI1 • GIA 2518108397

Certificate GIA 2518108397

Diamond specifications and retailer prices

From $2,073 USD
As of November 4, 2026
Save $2,827 USD (58%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,900 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.02ct natural round diamond

This 1.02ct natural round sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 2518108397. Listed at 18 retailers as of November 4, 2026, with prices from $2,073 to $4,900, a $2,827 spread on the same certified stone. NZ Jewellers lists it at $4,900. 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

1.02
Carat
I
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2518108397
Dimensions6.37 × 6.33 × 4.03 mm
L/W Ratio1.01
Star length45%
Lower girdle75%
Top View
6.37 mm6.33 mm1.02 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2518108397
Side View
Table 57.0%Crown 36°Girdle: STK-THKPavilion 41°Culet: NoneDepth 63.4%

Caratlytics Score

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

Price History

Last verified: Nov 4
Current: $2,904 USD|Low: $1,803 USD|High: $4,155 USD|Avg: $2,707 USD|+2.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 9$2,073 USD
Retailer 6$2,164 USD
Retailer 5$2,170 USD
Retailer 8$2,452 USD
Retailer 3$2,532 USD
Retailer 2$2,861 USD
Retailer 7$2,885 USD
Retailer 1$2,904 USD
Retailer 4$4,095 USD

44 data points across 9 retailers

18 retailers$2,073 USD to $4,900 USD

A
Cheapest Retailer
-
$2,073 USD
A
Retailer 2
-
$2,117 USD
View
B+
Retailer 3
-
$2,164 USD
View
Final sale: no returns
A
Retailer 4
-
$2,170 USD
View
B+
Retailer 5
-
$2,340 USD
View
Retailer 6
-
$2,344 USD
View
Price last confirmed 60 days ago
Retailer 7
-
$2,344 USD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$2,344 USD
View
B+
Retailer 9
-
$2,452 USD
View
B+
Retailer 10
-
$2,483 USD
View
B+
Retailer 11
-
$2,532 USD
View
Retailer 12
-
$2,705 USD
View
Price last confirmed 60 days ago
B+
Retailer 13
-
$2,705 USD
View
B+
Retailer 14
-
$2,861 USD
View
Retailer 15
-
$2,885 USD
View
Price last confirmed 30 days ago
B+
Retailer 16
-
$2,904 USD
View
B
Retailer 17
-
$4,095 USD
View
Most Expensive
B
NZ Jewellers
e18a236a-74eb-4954-adfb-8ae465e80a09 · Nov 5
$4,900 USD
View
17 more retailers have this diamond
Prices start from $2,073 USDSave up to $2,827 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
1.02ct Round
$2,073 USD