Round|Natural|GIA

1.03ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 1246109498

Certificate GIA 1246109498

Diamond specifications and retailer prices

From $1,807 USD
As of November 4, 2026
Save $1,320 USD (42%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,127 USD at Wholesale Diamonds Direct · As of November 4, 2026
View at Wholesale Diamonds Direct

About this 1.03ct natural round diamond

This 1.03ct natural round sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1246109498. Listed at 12 retailers as of November 4, 2026, with prices from $1,807 to $3,127, a $1,320 spread on the same certified stone. Wholesale Diamonds Direct lists it at $3,127. 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
K
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 1246109498
Dimensions6.49 × 6.46 × 4.03 mm
L/W Ratio1.00
Culet sizeNone
Top View
6.49 mm6.46 mm1.03 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1246109498
Side View
Table 57.0%Crown 34°Girdle: MED-STKPavilion 41.6°Culet: NDepth 62.1%

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: $2,096 USD|Low: $1,807 USD|High: $3,127 USD|Avg: $2,243 USD|-0.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Wholesale Diamonds Direct
November 6, 2026
Retailer 3$1,807 USD
Retailer 9$1,908 USD
Retailer 10$1,913 USD
Retailer 8$1,929 USD
Retailer 1$2,096 USD
Retailer 2$2,101 USD
Retailer 5$2,420 USD
Retailer 6$2,438 USD
Retailer 11$2,461 USD
Retailer 4$2,695 USD
Retailer 7$2,940 USD
Wholesale Diamonds Direct$3,127 USD

9 data points across 12 retailers

12 retailers$1,807 USD to $3,127 USD

A
Cheapest Retailer
-
$1,807 USD
B+
Retailer 2
-
$1,908 USD
View
B+
Retailer 3
-
$1,913 USD
View
B+
Retailer 4
-
$1,929 USD
View
B+
Retailer 5
-
$2,096 USD
View
B+
Retailer 6
-
$2,101 USD
View
B
Retailer 7
-
$2,420 USD
View
B
Retailer 8
-
$2,438 USD
View
B
Retailer 9
-
$2,461 USD
View
B
Retailer 10
-
$2,695 USD
View
B
Retailer 11
-
$2,940 USD
View
Most Expensive
B
Wholesale Diamonds Direct
636229874 · Nov 4
$3,127 USD
View
11 more retailers have this diamond
Prices start from $1,807 USDSave up to $1,320 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
1.03ct Round
$1,807 USD