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Round|Natural|GIA

1.03ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 1568676821

Certificate GIA 1568676821

Diamond specifications and retailer prices

From $2,572 NZD
As of November 1, 2026
Save $2,120 NZD (45%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $6,075 NZD at MOH London · As of October 29, 2026
View at MOH London

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 1568676821. Listed at 14 retailers as of November 1, 2026, with a 82% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
FluorescenceStrong
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 1568676821
Dimensions6.49 × 6.44 × 4.02 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Needle
Top View
6.49 mm6.44 mm1.03 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 1568676821
Side View
Table 59.0%Crown 35°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.2%

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 1
Current: $6,075 NZD|Low: $2,549 NZD|High: $6,075 NZD|Avg: $3,740 NZD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 2, 2026
Retailer 12$2,572 NZD
Retailer 10$2,718 NZD
Retailer 9$3,318 NZD
Retailer 13$3,318 NZD
Retailer 5$3,449 NZD
Retailer 11$3,449 NZD
Retailer 6$3,451 NZD
Retailer 3$3,592 NZD
Retailer 7$3,609 NZD
Retailer 4$3,976 NZD
Retailer 8$3,979 NZD
Retailer 14$4,239 NZD
Retailer 2$4,693 NZD
MOH London$6,075 NZD

10 data points across 14 retailers

14 retailers$2,572 NZD to $4,693 NZD

A
Cheapest Retailer
-
$2,572 NZD
A
Retailer 2
-
$2,718 NZD
View
B+
Retailer 3
-
$3,318 NZD
View
B+
Retailer 4
-
$3,318 NZD
View
Retailer 5
-
$3,449 NZD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$3,449 NZD
View
B+
Retailer 7
-
$3,451 NZD
View
Retailer 8
-
$3,592 NZD
View
Price last confirmed 11 days ago
B+
Retailer 9
-
$3,609 NZD
View
B+
Retailer 10
-
$3,976 NZD
View
B+
Retailer 11
-
$3,979 NZD
View
B
Retailer 12
-
$4,239 NZD
View
B
Retailer 13
-
$4,693 NZD
View
Most Expensive
MOH London
24D13D8A2 · Oct 29
$6,075 NZD
£2,689 GBP
View
Price last confirmed 8 days ago
13 more retailers have this diamond
Prices start from $2,572 NZDSave up to $2,120 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
$2,572 NZD