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Round|Natural|GIA

1.30ct H I1 Round Natural Diamond

VG • H/I1 • GIA 6402807753

Certificate GIA 6402807753

Diamond specifications and retailer prices

From £1,664 GBP
₹212,380 INR
As of October 31, 2026
Save £2,308 GBP (58%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £3,972 GBP at NZ Jewellers · As of October 30, 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 H colour (near-colourless) and I1 clarity (included), with a very-good cut grade and certified by GIA 6402807753. Listed at 9 retailers as of October 30, 2026, with prices from £1,664 to £3,972, a £2,308 spread on the same certified stone. NZ Jewellers lists it at £3,972. 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
H
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle37.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6402807753
Dimensions6.83 × 6.76 × 4.38 mm
L/W Ratio1.01
Top View
6.83 mm6.76 mm1.30 ctH / I1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6402807753
Side View
Table 58.0%Crown 37.5°Girdle: MED-THKPavilion 40.8°Culet: NoneDepth 64.5%

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: £3,972 GBP|Low: £1,660 GBP|High: £4,089 GBP|Avg: £2,459 GBP|-2.9%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 2£1,664 GBP
Retailer 3£1,672 GBP
Retailer 5£2,094 GBP
Retailer 6£2,280 GBP
Retailer 7£2,280 GBP
Retailer 9£2,367 GBP
Retailer 8£2,631 GBP
Retailer 4£2,669 GBP
NZ Jewellers£3,972 GBP

41 data points across 9 retailers

9 retailers£1,664 GBP to £3,972 GBP

A
Cheapest Retailer
-
£1,664 GBP
₹212,380 INR
A
Retailer 2
-
£1,672 GBP
HK$17,500 HKD
View
B+
Retailer 3
-
£2,094 GBP
$2,806 USD
View
B+
Retailer 4
-
£2,280 GBP
$3,055 USD
View
B+
Retailer 5
-
£2,280 GBP
$3,055 USD
View
B
Retailer 6
-
£2,367 GBP
$3,172 USD
View
B
Retailer 7
-
£2,631 GBP
$3,525 USD
View
B
Retailer 8
-
£2,669 GBP
€3,406 EUR
View
Most Expensive
C
NZ Jewellers
1a00566e-e945-4b31-b469-0115c862d460 · Oct 30
£3,972 GBP
$5,322 USD
View
8 more retailers have this diamond
Prices start from £1,664 GBPSave up to £2,308 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
£1,664 GBP