Round|Natural|GIA

0.70ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 1538665985

Certificate GIA 1538665985

Diamond specifications and retailer prices

From £781 GBP
As of November 4, 2026
Save £927 GBP (54%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: £2,279 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 1538665985. Listed at 26 retailers as of November 4, 2026, with a 119% 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
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1538665985
Dimensions5.63 × 5.66 × 3.53 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Cloud
Top View
5.63 mm5.66 mm0.70 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1538665985
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £1,171 GBP|Low: £781 GBP|High: £2,054 GBP|Avg: £1,251 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
November 6, 2026
Retailer 3£781 GBP
Retailer 2£814 GBP
Retailer 12£919 GBP
Retailer 8£1,051 GBP
Retailer 6£1,157 GBP
Retailer 1£1,171 GBP
Retailer 4£1,222 GBP
Retailer 11£1,281 GBP
Retailer 5£1,298 GBP
Retailer 7£1,396 GBP
Retailer 9£1,708 GBP
Retailer 10£2,049 GBP

32 data points across 12 retailers

26 retailers£781 GBP to £1,708 GBP

B+
Cheapest Retailer
-
£781 GBP
Final sale: no returns
B+
Retailer 2
-
£811 GBP
View
B+
Retailer 3
-
£814 GBP
View
Retailer 4
-
£846 GBP
View
Price last confirmed 50 days ago
Retailer 5
-
£846 GBP
View
Price last confirmed 28 days ago
Retailer 6
-
£846 GBP
View
Price last confirmed 29 days ago
Retailer 7
-
£879 GBP
View
Price last confirmed 38 days ago
B+
Retailer 8
-
£915 GBP
View
B+
Retailer 9
-
£919 GBP
View
Retailer 10
-
£977 GBP
View
Price last confirmed 28 days ago
Retailer 11
-
£977 GBP
View
Price last confirmed 45 days ago
B+
Retailer 12
-
£979 GBP
View
B+
Retailer 13
-
£979 GBP
View
B+
Retailer 14
-
£1,016 GBP
View
B+
Retailer 15
-
£1,051 GBP
View
B
Retailer 16
-
£1,157 GBP
View
B
Retailer 17
-
£1,171 GBP
View
Retailer 18
-
£1,222 GBP
View
Price last confirmed 33 days ago
B
Retailer 19
-
£1,281 GBP
View
Retailer 20
-
£1,281 GBP
View
Price last confirmed 28 days ago
B
Retailer 21
-
£1,298 GBP
View
B
Retailer 22
-
£1,396 GBP
View
B
Retailer 23
-
£1,708 GBP
View
Retailer 24
-
£2,049 GBP
View
Price last confirmed 9 days ago
Retailer 25
-
£2,279 GBP
View
Price last confirmed 48 days ago
Most Expensive
NZ Jewellers
c02758a5-eb69-44a7-bcfa-47c93e20ecc5 · Sep 26
£2,279 GBP
$3,051 USD
View
Price last confirmed 40 days ago
25 more retailers have this diamond
Prices start from £781 GBPSave up to £927 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.

B+
0.70ct Round
£781 GBP