Round|Natural|GIA

1.30ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 1549904741

Certificate GIA 1549904741

Diamond specifications and retailer prices

From £2,522 GBP
As of November 4, 2026
Save £2,687 GBP (52%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £5,306 GBP at NZ Jewellers · As of September 28, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1549904741. Listed at 25 retailers as of November 4, 2026, with a 107% 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
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1549904741
Dimensions6.93 × 6.98 × 4.32 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
6.93 mm6.98 mm1.30 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1549904741
Side View
Table 58.0%Crown 36°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 62.2%

Caratlytics Score

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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 4
Current: £3,301 GBP|Low: £2,304 GBP|High: £5,294 GBP|Avg: £3,311 GBP|+8.1%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
November 6, 2026
Retailer 14£2,304 GBP
Retailer 15£2,464 GBP
Retailer 2£2,522 GBP
Retailer 24£2,563 GBP
Retailer 22£2,587 GBP
Retailer 7£2,615 GBP
Retailer 8£2,743 GBP
Retailer 6£2,835 GBP
Retailer 4£2,964 GBP
Retailer 17£3,045 GBP
Retailer 10£3,047 GBP
Retailer 16£3,048 GBP
Retailer 9£3,160 GBP
Retailer 20£3,234 GBP
Retailer 11£3,240 GBP
Retailer 1£3,301 GBP
Retailer 5£3,355 GBP
Retailer 21£3,355 GBP
Retailer 23£3,467 GBP
Retailer 18£3,586 GBP
Retailer 12£4,002 GBP
Retailer 3£4,743 GBP
Retailer 19£5,210 GBP
Retailer 13£5,251 GBP

28 data points across 24 retailers

25 retailers£2,522 GBP to £5,210 GBP

Retailer 1
-
£2,304 GBP
Price last confirmed 38 days ago
A
Retailer 2
-
£2,522 GBP
View
A
Retailer 3
-
£2,563 GBP
View
A
Retailer 4
-
£2,587 GBP
View
A
Retailer 5
-
£2,615 GBP
View
A
Retailer 6
-
£2,719 GBP
View
A
Retailer 7
-
£2,743 GBP
View
Final sale: no returns
A
Retailer 8
-
£2,835 GBP
View
A
Retailer 9
-
£2,964 GBP
View
Retailer 10
-
£3,045 GBP
View
Price last confirmed 39 days ago
Retailer 11
-
£3,045 GBP
View
Price last confirmed 38 days ago
Retailer 12
-
£3,047 GBP
View
Price last confirmed 22 days ago
A
Retailer 13
-
£3,160 GBP
View
B+
Retailer 14
-
£3,234 GBP
View
Retailer 15
-
£3,240 GBP
View
Price last confirmed 37 days ago
A
Retailer 16
-
£3,301 GBP
View
B+
Retailer 17
-
£3,355 GBP
View
B+
Retailer 18
-
£3,355 GBP
View
B+
Retailer 19
-
£3,467 GBP
View
Retailer 20
-
£3,514 GBP
View
Price last confirmed 38 days ago
B+
Retailer 21
-
£3,586 GBP
View
B+
Retailer 22
-
£4,002 GBP
View
B
Retailer 23
-
£4,743 GBP
View
B
Retailer 24
-
£5,210 GBP
View
Most Expensive
NZ Jewellers
0abdd289-aec5-4880-ab2d-124c350f23f4 · Sep 28
£5,306 GBP
$7,102 USD
View
Price last confirmed 39 days ago
24 more retailers have this diamond
Prices start from £2,522 GBPSave up to £2,687 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
£2,522 GBP