CaratHunter
Plans
Round|Natural|GIA

1.03ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 1246109498

Certificate GIA 1246109498

Diamond specifications and retailer prices

From $2,581 AUD
As of November 4, 2026
Save $1,886 AUD (42%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,467 AUD 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 $2,581 to $4,467, a $1,886 spread on the same certified stone. Wholesale Diamonds Direct lists it at $4,467. 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
Colour
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: $3,457 AUD|Low: $2,581 AUD|High: $4,467 AUD|Avg: $3,204 AUD
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$2,581 AUD
Retailer 9$2,726 AUD
Retailer 10$2,733 AUD
Retailer 8$2,756 AUD
Retailer 4$2,994 AUD
Retailer 2$3,001 AUD
Retailer 1$3,457 AUD
Retailer 6$3,483 AUD
Retailer 11$3,516 AUD
Retailer 5$3,850 AUD
Retailer 7$4,200 AUD
Wholesale Diamonds Direct$4,467 AUD

9 data points across 12 retailers

12 retailers$2,581 AUD to $4,467 AUD

A
Cheapest Retailer
-
$2,581 AUD
B+
Retailer 2
-
$2,726 AUD
View
B+
Retailer 3
-
$2,733 AUD
View
B+
Retailer 4
-
$2,756 AUD
View
B+
Retailer 5
-
$2,994 AUD
View
B+
Retailer 6
-
$3,001 AUD
View
B
Retailer 7
-
$3,457 AUD
View
B
Retailer 8
-
$3,483 AUD
View
B
Retailer 9
-
$3,516 AUD
View
B
Retailer 10
-
$3,850 AUD
View
B
Retailer 11
-
$4,200 AUD
View
Most Expensive
B
Wholesale Diamonds Direct
636229874 · Nov 4
$4,467 AUD
$3,127 USD
View
11 more retailers have this diamond
Prices start from $2,581 AUDSave up to $1,886 AUD

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
$2,581 AUD