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1.30ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 6561200253

Certificate GIA 6561200253

Diamond specifications and retailer prices

From £4,911 GBP
As of November 3, 2026
Save £3,968 GBP (45%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £8,879 GBP at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

About this 1.3ct natural round diamond

This 1.3ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6561200253. Listed at 8 retailers as of November 2, 2026, with prices from £4,911 to £8,879, a £3,968 spread on the same certified stone. NZ Jewellers lists it at £8,879. 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

1.30
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6561200253
Dimensions6.92 × 6.95 × 4.35 mm
L/W Ratio1.00
Girdle conditionSlightly Thick
Key to symbols
Crystal, Feather, Needle
Top View
6.92 mm6.95 mm1.30 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6561200253
Side View
Table 57.0%Crown 36°GirdlePavilion 40.6°CuletDepth 62.7%

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 3
Current: £8,879 GBP|Low: £4,911 GBP|High: £8,879 GBP|Avg: £6,309 GBP|+1.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 5£4,911 GBP
Retailer 3£5,107 GBP
Retailer 6£5,152 GBP
Retailer 7£5,309 GBP
Retailer 2£6,003 GBP
Retailer 4£7,820 GBP
NZ Jewellers£8,879 GBP

38 data points across 7 retailers

8 retailers£4,911 GBP to £8,879 GBP

B+
Cheapest Retailer
-
£4,911 GBP
B+
Retailer 2
-
£5,107 GBP
View
Retailer 3
-
£5,152 GBP
View
Price last confirmed 15 days ago
B+
Retailer 4
-
£5,309 GBP
View
Retailer 5
-
£5,390 GBP
View
Price last confirmed 38 days ago
B
Retailer 6
-
£6,003 GBP
View
B
Retailer 7
-
£7,820 GBP
View
Most Expensive
B
NZ Jewellers
ca1d5a6a-a6d1-480a-aa41-73c0b850f3c5 · Nov 2
£8,879 GBP
$11,950 USD
View
7 more retailers have this diamond
Prices start from £4,911 GBPSave up to £3,968 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+
1.30ct Round
£4,911 GBP