Round|Natural|GIA

1.03ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2477931156

Certificate GIA 2477931156

Diamond specifications and retailer prices

From $3,322 USD
As of October 30, 2026
Save $3,874 USD (54%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $7,196 USD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.03ct natural round diamond

This 1.03ct natural round sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2477931156. Listed at 16 retailers as of October 30, 2026, with prices from $3,322 to $7,196, a $3,874 spread on the same certified stone. NZ Jewellers lists it at $7,196. 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

1.03
Carat
I
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2477931156
Dimensions6.50 × 6.47 × 4.02 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
6.50 mm6.47 mm1.03 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2477931156
Side View
Table 57.0%Crown 36°Girdle: THN-MEDPavilion 41°Culet: NoneDepth 62.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $4,164 USD|Low: $3,395 USD|High: $6,991 USD|Avg: $4,498 USD|-0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 6$3,395 USD
Retailer 7$3,454 USD
Retailer 9$3,886 USD
Retailer 4$3,986 USD
Retailer 1$4,164 USD
Retailer 8$4,429 USD
Retailer 3$4,675 USD
Retailer 2$5,077 USD
Retailer 5$6,918 USD

38 data points across 9 retailers

16 retailers$3,322 USD to $7,196 USD

B+
Cheapest Retailer
-
$3,322 USD
Retailer 2
-
$3,395 USD
View
Price last confirmed 14 days ago
B+
Retailer 3
-
$3,454 USD
View
Final sale: no returns
B+
Retailer 4
-
$3,585 USD
View
B
Retailer 5
-
$3,742 USD
View
B
Retailer 6
-
$3,742 USD
View
B
Retailer 7
-
$3,886 USD
View
B
Retailer 8
-
$3,986 USD
£3,139 GBP
View
B
Retailer 9
-
$4,164 USD
£3,279 GBP
View
B
Retailer 10
-
$4,318 USD
View
Retailer 11
-
$4,429 USD
A$6,814 AUD
View
Price last confirmed 28 days ago
B
Retailer 12
-
$4,675 USD
€4,452 EUR
View
Retailer 13
-
$4,675 USD
View
Price last confirmed 9 days ago
B
Retailer 14
-
$5,077 USD
ZAR 82,025 ZAR
View
B
Retailer 15
-
$6,918 USD
£5,447 GBP
View
Most Expensive
B
NZ Jewellers
1de9a972-c0cf-4415-9d8b-f6fada7927d6 · Oct 30
$7,196 USD
View
15 more retailers have this diamond
Prices start from $3,322 USDSave up to $3,874 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.

B+
1.03ct Round
$3,322 USD