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Round|Natural|GIA

1.30ct G SI2 Round Natural Diamond

VG • G/SI2 • GIA 6431543544

Certificate GIA 6431543544

Diamond specifications and retailer prices

From £1,915 GBP
As of October 31, 2026
Save £3,798 GBP (66%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £5,712 GBP at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

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 SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 6431543544. Listed at 18 retailers as of October 31, 2026, with prices from £1,915 to £5,712, a £3,798 spread on the same certified stone. Diamond Quarter lists it at £5,712. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.30
Carat
G
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle34.5°
Pavilion angle39.8°
OriginNatural
Grading LabGIA
CertificateGIA 6431543544
Dimensions6.99 × 6.91 × 4.30 mm
L/W Ratio1.01
Top View
6.99 mm6.91 mm1.30 ctG / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 6431543544
Side View
Table 54.0%Crown 34.5°Girdle: MED-THKPavilion 39.8°Culet: NoneDepth 61.9%

Caratlytics Score

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

Price History

Last verified: Oct 31
Current: £2,416 GBP|Low: £1,909 GBP|High: £4,453 GBP|Avg: £2,630 GBP|-1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 6£1,915 GBP
Retailer 7£1,930 GBP
Retailer 8£2,363 GBP
Retailer 1£2,416 GBP
Retailer 9£2,431 GBP
Retailer 2£2,690 GBP
Retailer 3£2,710 GBP
Retailer 5£2,795 GBP
Retailer 4£4,394 GBP

32 data points across 9 retailers

18 retailers£1,915 GBP to £5,712 GBP

A
Cheapest Retailer
-
£1,915 GBP
A
Retailer 2
-
£1,930 GBP
View
A
Retailer 3
-
£2,270 GBP
View
A
Retailer 4
-
£2,363 GBP
View
A
Retailer 5
-
£2,416 GBP
View
B+
Retailer 6
-
£2,431 GBP
View
Final sale: no returns
Retailer 7
-
£2,494 GBP
View
Price last confirmed 109 days ago
B+
Retailer 8
-
£2,635 GBP
View
B+
Retailer 9
-
£2,690 GBP
View
A
Retailer 10
-
£2,710 GBP
View
B+
Retailer 11
-
£2,736 GBP
View
B+
Retailer 12
-
£2,742 GBP
View
A
Retailer 13
-
£2,795 GBP
View
B+
Retailer 14
-
£3,040 GBP
View
B
Retailer 15
-
£3,815 GBP
View
B
Retailer 16
-
£4,394 GBP
View
B
Retailer 17
-
£4,590 GBP
View
Most Expensive
B
Diamond Quarter
1.3SI2G64442BA8N · Nov 5
£5,712 GBP
View
17 more retailers have this diamond
Prices start from £1,915 GBPSave up to £3,798 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
£1,915 GBP