Round|Natural|GIA

1.30ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 7552562176

Certificate GIA 7552562176

Diamond specifications and retailer prices

From £4,116 GBP
As of November 1, 2026
Save £3,559 GBP (46%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: £8,737 GBP at NZ Jewellers · As of September 19, 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 7552562176. Listed at 26 retailers as of November 1, 2026, with a 86% 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

1.30
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7552562176
Dimensions6.92 × 6.97 × 4.37 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.92 mm6.97 mm1.30 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7552562176
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £4,928 GBP|Low: £4,116 GBP|High: £7,879 GBP|Avg: £5,454 GBP|+0.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 10£4,116 GBP
Retailer 5£4,127 GBP
Retailer 3£4,399 GBP
Retailer 11£4,682 GBP
Retailer 4£4,733 GBP
Retailer 1£4,928 GBP
Retailer 12£4,976 GBP
Retailer 9£5,070 GBP
Retailer 6£5,423 GBP
Retailer 13£5,529 GBP
Retailer 7£6,373 GBP
Retailer 2£7,650 GBP
Retailer 8£7,675 GBP

42 data points across 13 retailers

26 retailers£4,116 GBP to £7,675 GBP

A
Cheapest Retailer
-
£4,116 GBP
A
Retailer 2
-
£4,127 GBP
View
Retailer 3
-
£4,131 GBP
View
Price last confirmed 43 days ago
B+
Retailer 4
-
£4,399 GBP
View
B+
Retailer 5
-
£4,662 GBP
View
B+
Retailer 6
-
£4,682 GBP
View
Retailer 7
-
£4,733 GBP
View
Price last confirmed 29 days ago
Retailer 8
-
£4,733 GBP
View
Price last confirmed 56 days ago
Retailer 9
-
£4,733 GBP
View
Price last confirmed 25 days ago
Retailer 10
-
£4,733 GBP
View
Price last confirmed 50 days ago
Retailer 11
-
£4,733 GBP
View
Price last confirmed 38 days ago
B+
Retailer 12
-
£4,928 GBP
View
B+
Retailer 13
-
£4,976 GBP
View
Retailer 14
-
£5,070 GBP
View
Price last confirmed 15 days ago
B+
Retailer 15
-
£5,423 GBP
View
Retailer 16
-
£5,460 GBP
View
Price last confirmed 60 days ago
Retailer 17
-
£5,460 GBP
View
Price last confirmed 28 days ago
Retailer 18
-
£5,460 GBP
View
Price last confirmed 45 days ago
B+
Retailer 19
-
£5,529 GBP
View
Retailer 20
-
£5,758 GBP
View
Price last confirmed 14 days ago
B
Retailer 21
-
£6,373 GBP
View
B
Retailer 22
-
£7,650 GBP
View
B
Retailer 23
-
£7,675 GBP
View
Retailer 24
-
£8,737 GBP
View
Price last confirmed 57 days ago
Retailer 25
-
£8,737 GBP
View
Price last confirmed 39 days ago
Most Expensive
NZ Jewellers
3e602853-7a32-4af2-9cfc-853fe9ac2203 · Sep 19
£8,737 GBP
$11,759 USD
View
Price last confirmed 47 days ago
25 more retailers have this diamond
Prices start from £4,116 GBPSave up to £3,559 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.

A
1.30ct Round
£4,116 GBP