Round|Natural|GIA

1.03ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 2183738130

Certificate GIA 2183738130

Diamond specifications and retailer prices

From $5,470 NZD
As of October 31, 2026
Save $6,433 NZD (54%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $12,401 NZD at NZ Jewellers · As of September 21, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2183738130. Listed at 23 retailers as of October 31, 2026, with a 118% 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
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2183738130
Dimensions6.56 × 6.52 × 3.95 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Feather, Crystal, Cloud, Needle, Indented Natural
Top View
6.56 mm6.52 mm1.03 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2183738130
Side View
Table 60.0%Crown 35°Girdle: THN-STKPavilion 40.8°Culet: NoneDepth 60.4%

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: Oct 31
Current: $7,811 NZD|Low: $4,675 NZD|High: $12,047 NZD|Avg: $7,630 NZD|+2.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 3$5,507 NZD
Retailer 5$5,611 NZD
Retailer 11$5,952 NZD
Retailer 2$6,907 NZD
Retailer 9$7,014 NZD
Retailer 6$7,235 NZD
Retailer 12$7,544 NZD
Retailer 1$7,811 NZD
Retailer 10$8,154 NZD
Retailer 8$8,749 NZD
Retailer 4$10,286 NZD
Retailer 7$11,903 NZD

33 data points across 12 retailers

23 retailers$5,470 NZD to $11,903 NZD

A
Cheapest Retailer
-
$5,470 NZD
A
Retailer 2
-
$5,507 NZD
View
A
Retailer 3
-
$5,563 NZD
View
A
Retailer 4
-
$5,611 NZD
View
A
Retailer 5
-
$5,725 NZD
View
B+
Retailer 6
-
$5,915 NZD
View
Retailer 7
-
$6,029 NZD
View
Price last confirmed 82 days ago
B+
Retailer 8
-
$6,191 NZD
View
Retailer 9
-
$6,449 NZD
View
Price last confirmed 44 days ago
B+
Retailer 10
-
$6,454 NZD
View
Retailer 11
-
$6,596 NZD
View
Price last confirmed 14 days ago
B+
Retailer 12
-
$6,907 NZD
View
B+
Retailer 13
-
$7,014 NZD
View
B+
Retailer 14
-
$7,235 NZD
View
Retailer 15
-
$7,441 NZD
View
Price last confirmed 45 days ago
Retailer 16
-
$7,544 NZD
View
Price last confirmed 38 days ago
B+
Retailer 17
-
$7,608 NZD
View
B+
Retailer 18
-
$7,811 NZD
View
B+
Retailer 19
-
$8,154 NZD
View
B+
Retailer 20
-
$8,749 NZD
View
Retailer 21
-
$10,286 NZD
View
Price last confirmed 11 days ago
B
Retailer 22
-
$11,903 NZD
View
Most Expensive
NZ Jewellers
8363590a-6b36-4b83-82ef-8c882ce3cade · Sep 21
$12,401 NZD
$6,971 USD
View
Price last confirmed 45 days ago
22 more retailers have this diamond
Prices start from $5,470 NZDSave up to $6,433 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
$5,470 NZD