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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 £6,495 GBP
As of November 4, 2026
Save £3,980 GBP (38%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £10,475 GBP 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 £6,495 to £10,475, a £3,980 spread on the same certified stone. NZ Jewellers lists it at £10,475. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £10,475 GBP|Low: £6,359 GBP|High: £10,475 GBP|Avg: £7,741 GBP
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£6,359 GBP
Retailer 7£6,464 GBP
Retailer 14£6,495 GBP
Retailer 6£6,518 GBP
Retailer 15£6,876 GBP
Retailer 11£6,899 GBP
Retailer 12£6,938 GBP
Retailer 2£7,122 GBP
Retailer 5£7,516 GBP
Retailer 4£7,631 GBP
Retailer 10£7,886 GBP
Retailer 8£8,630 GBP
Retailer 13£8,672 GBP
Retailer 9£9,790 GBP
NZ Jewellers£10,475 GBP

32 data points across 15 retailers

15 retailers£6,495 GBP to £10,475 GBP

Retailer 1
-
£6,359 GBP
Price last confirmed 13 days ago
Retailer 2
-
£6,464 GBP
View
Price last confirmed 12 days ago
B+
Retailer 3
-
£6,495 GBP
View
Retailer 4
-
£6,518 GBP
View
Price last confirmed 11 days ago
B+
Retailer 5
-
£6,876 GBP
View
Retailer 6
-
£6,899 GBP
View
Price last confirmed 11 days ago
Retailer 7
-
£6,938 GBP
View
Price last confirmed 12 days ago
B+
Retailer 8
-
£7,122 GBP
View
Retailer 9
-
£7,516 GBP
View
Price last confirmed 11 days ago
Retailer 10
-
£7,631 GBP
View
Price last confirmed 12 days ago
Retailer 11
-
£7,886 GBP
View
Price last confirmed 11 days ago
B
Retailer 12
-
£8,630 GBP
View
Retailer 13
-
£8,672 GBP
View
Price last confirmed 14 days ago
B
Retailer 14
-
£9,790 GBP
View
Most Expensive
B
NZ Jewellers
cbf8b36a-88f2-4b84-bba2-3eef273796df · Nov 5
£10,475 GBP
$14,099 USD
View
14 more retailers have this diamond
Prices start from £6,495 GBPSave up to £3,980 GBP

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
£6,495 GBP