Round|Natural|GIA

0.70ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 5503155799

Certificate GIA 5503155799

Diamond specifications and retailer prices

From £527 GBP
As of November 6, 2026
Save £746 GBP (59%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £2,135 GBP at NZ Jewellers · As of September 26, 2026
View at NZ Jewellers

About this 0.7ct natural round diamond

This 0.7ct natural round sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5503155799. Listed at 25 retailers as of November 4, 2026, with a 142% 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

0.70
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 5503155799
Dimensions5.69 × 5.66 × 3.57 mm
L/W Ratio1.01
Star length45%
Lower girdle75%
Key to symbols
Crystal, Cloud, Feather
Top View
5.69 mm5.66 mm0.70 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5503155799
Side View
Table 57.0%Crown 34°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.8%

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: Nov 6
Current: £527 GBP|Low: £527 GBP|High: £1,620 GBP|Avg: £808 GBP|-1.8%
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
November 6, 2026
Retailer 1£527 GBP
Retailer 8£535 GBP
Retailer 15£580 GBP
Retailer 5£642 GBP
Retailer 4£652 GBP
Retailer 7£704 GBP
Retailer 6£715 GBP
Retailer 10£742 GBP
Retailer 2£796 GBP
Retailer 14£802 GBP
Retailer 3£811 GBP
Retailer 12£835 GBP
Retailer 9£873 GBP
Retailer 11£926 GBP
Retailer 13£1,039 GBP
Retailer 16£1,273 GBP

20 data points across 16 retailers

25 retailers£527 GBP to £1,273 GBP

A
Cheapest Retailer
-
£527 GBP
A
Retailer 2
-
£535 GBP
View
A
Retailer 3
-
£580 GBP
View
A
Retailer 4
-
£642 GBP
View
Final sale: no returns
A
Retailer 5
-
£652 GBP
View
A
Retailer 6
-
£704 GBP
View
A
Retailer 7
-
£715 GBP
View
B+
Retailer 8
-
£742 GBP
View
B+
Retailer 9
-
£796 GBP
View
B+
Retailer 10
-
£802 GBP
View
B+
Retailer 11
-
£811 GBP
View
B+
Retailer 12
-
£835 GBP
View
Retailer 13
-
£848 GBP
View
Price last confirmed 89 days ago
B+
Retailer 14
-
£873 GBP
View
Retailer 15
-
£876 GBP
View
Price last confirmed 50 days ago
Retailer 16
-
£876 GBP
View
Price last confirmed 28 days ago
Retailer 17
-
£909 GBP
View
Price last confirmed 38 days ago
B+
Retailer 18
-
£926 GBP
View
Retailer 19
-
£1,010 GBP
View
Price last confirmed 45 days ago
Retailer 20
-
£1,010 GBP
View
Price last confirmed 28 days ago
B+
Retailer 21
-
£1,039 GBP
View
Retailer 22
-
£1,145 GBP
View
Price last confirmed 33 days ago
B
Retailer 23
-
£1,273 GBP
View
Retailer 24
-
£2,135 GBP
View
Price last confirmed 46 days ago
Most Expensive
NZ Jewellers
f2a7782e-d801-4e66-81a8-490bee42e662 · Sep 26
£2,135 GBP
$2,858 USD
View
Price last confirmed 40 days ago
24 more retailers have this diamond
Prices start from £527 GBPSave up to £746 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
0.70ct Round
£527 GBP