CaratHunter
Plans
Round|Natural|GIA

1.30ct H I1 Round Natural Diamond

EX • H/I1 • GIA 1553754407

Certificate GIA 1553754407

Diamond specifications and retailer prices

From £1,662 GBP
HK$17,400 HKD
As of October 31, 2026
Save £2,959 GBP (64%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £4,621 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 top-tier cut grade and certified by GIA 1553754407. Listed at 8 retailers as of October 30, 2026, with prices from £1,662 to £4,621, a £2,959 spread on the same certified stone. NZ Jewellers lists it at £4,621. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.30
Carat
H
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 1553754407
Dimensions6.95 × 6.91 × 4.34 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.95 mm6.91 mm1.30 ctH / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1553754407
Side View
Table 59.0%Crown 35°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.7%

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: £4,621 GBP|Low: £1,653 GBP|High: £4,675 GBP|Avg: £2,530 GBP|+11.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 2£1,662 GBP
Retailer 7£1,849 GBP
Retailer 5£1,867 GBP
Retailer 4£1,929 GBP
Retailer 6£2,052 GBP
Retailer 3£2,528 GBP
Retailer 9£2,782 GBP
Retailer 8£3,338 GBP
NZ Jewellers£4,621 GBP

30 data points across 9 retailers

8 retailers£1,662 GBP to £4,621 GBP

A
Cheapest Retailer
-
£1,662 GBP
HK$17,400 HKD
A
Retailer 2
-
£1,849 GBP
$2,477 USD
View
Final sale: no returns
A
Retailer 3
-
£1,867 GBP
$2,501 USD
View
B+
Retailer 4
-
£1,929 GBP
$2,585 USD
View
B+
Retailer 5
-
£2,052 GBP
$2,749 USD
View
B+
Retailer 6
-
£2,528 GBP
€3,226 EUR
View
Retailer 7
-
£3,338 GBP
$4,473 USD
View
Price last confirmed 8 days ago
Most Expensive
C
NZ Jewellers
312616b0-e5a7-4e60-9c00-0c075f4a4b02 · Oct 30
£4,621 GBP
$6,192 USD
View
7 more retailers have this diamond
Prices start from £1,662 GBPSave up to £2,959 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
£1,662 GBP