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Round|Natural|GIA

1.03ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 1246109498

Certificate GIA 1246109498

Diamond specifications and retailer prices

From $3,214 NZD
As of November 4, 2026
Save $2,348 NZD (42%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $5,563 NZD 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 $3,214 to $5,563, a $2,348 spread on the same certified stone. Wholesale Diamonds Direct lists it at $5,563. 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: $4,305 NZD|Low: $3,214 NZD|High: $5,563 NZD|Avg: $3,990 NZD
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$3,214 NZD
Retailer 9$3,394 NZD
Retailer 10$3,403 NZD
Retailer 8$3,431 NZD
Retailer 4$3,729 NZD
Retailer 2$3,737 NZD
Retailer 1$4,305 NZD
Retailer 6$4,337 NZD
Retailer 11$4,378 NZD
Retailer 5$4,794 NZD
Retailer 7$5,230 NZD
Wholesale Diamonds Direct$5,563 NZD

9 data points across 12 retailers

12 retailers$3,214 NZD to $5,563 NZD

A
Cheapest Retailer
-
$3,214 NZD
B+
Retailer 2
-
$3,394 NZD
View
B+
Retailer 3
-
$3,403 NZD
View
B+
Retailer 4
-
$3,431 NZD
View
B+
Retailer 5
-
$3,729 NZD
View
B+
Retailer 6
-
$3,737 NZD
View
B
Retailer 7
-
$4,305 NZD
View
B
Retailer 8
-
$4,337 NZD
View
B
Retailer 9
-
$4,378 NZD
View
B
Retailer 10
-
$4,794 NZD
View
B
Retailer 11
-
$5,230 NZD
View
Most Expensive
B
Wholesale Diamonds Direct
636229874 · Nov 4
$5,563 NZD
$3,127 USD
View
11 more retailers have this diamond
Prices start from $3,214 NZDSave up to $2,348 NZD

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
$3,214 NZD