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Round|Natural|GIA

2.03ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2135967129

Certificate GIA 2135967129

Diamond specifications and retailer prices

From $12,488 AUD
As of November 4, 2026
Save $7,652 AUD (38%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $20,140 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 2.03ct natural round diamond

This 2.03ct natural round sits in the two to three carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2135967129. Listed at 15 retailers as of November 4, 2026, with prices from $12,488 to $20,140, a $7,652 spread on the same certified stone. NZ Jewellers lists it at $20,140. 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

2.03
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2135967129
Dimensions8.16 × 8.19 × 4.92 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Top View
8.16 mm8.19 mm2.03 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2135967129
Side View
Table 60.0%Crown 34.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $20,140 AUD|Low: $12,227 AUD|High: $20,140 AUD|Avg: $14,884 AUD
NZ Jewellers
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
Retailer 15
November 6, 2026
Retailer 3$12,227 AUD
Retailer 7$12,428 AUD
Retailer 14$12,488 AUD
Retailer 6$12,532 AUD
Retailer 15$13,221 AUD
Retailer 11$13,265 AUD
Retailer 12$13,339 AUD
Retailer 2$13,694 AUD
Retailer 5$14,451 AUD
Retailer 4$14,672 AUD
Retailer 10$15,162 AUD
Retailer 8$16,592 AUD
Retailer 13$16,673 AUD
Retailer 9$18,822 AUD
NZ Jewellers$20,140 AUD

32 data points across 15 retailers

15 retailers$12,488 AUD to $20,140 AUD

Retailer 1
-
$12,227 AUD
Price last confirmed 13 days ago
Retailer 2
-
$12,428 AUD
View
Price last confirmed 12 days ago
B+
Retailer 3
-
$12,488 AUD
View
Retailer 4
-
$12,532 AUD
View
Price last confirmed 11 days ago
B+
Retailer 5
-
$13,221 AUD
View
Retailer 6
-
$13,265 AUD
View
Price last confirmed 11 days ago
Retailer 7
-
$13,339 AUD
View
Price last confirmed 12 days ago
B+
Retailer 8
-
$13,694 AUD
View
Retailer 9
-
$14,451 AUD
View
Price last confirmed 11 days ago
Retailer 10
-
$14,672 AUD
View
Price last confirmed 12 days ago
Retailer 11
-
$15,162 AUD
View
Price last confirmed 11 days ago
B
Retailer 12
-
$16,592 AUD
View
Retailer 13
-
$16,673 AUD
View
Price last confirmed 14 days ago
B
Retailer 14
-
$18,822 AUD
View
Most Expensive
B
NZ Jewellers
cbf8b36a-88f2-4b84-bba2-3eef273796df · Nov 5
$20,140 AUD
$14,099 USD
View
14 more retailers have this diamond
Prices start from $12,488 AUDSave up to $7,652 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.

B+
2.03ct Round
$12,488 AUD