Round|Natural|GIA

0.70ct H SI1 Round Natural Diamond

VG • H/SI1 • GIA 1533512421

Certificate GIA 1533512421

Diamond specifications and retailer prices

From £640 GBP
As of November 6, 2026
Save £1,352 GBP (68%) vs most expensive(unlock to see where)
33 retailers carry this diamond
Most expensive: £1,993 GBP at NZ Jewellers · As of November 5, 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 very-good cut grade and certified by GIA 1533512421. Listed at 33 retailers as of November 5, 2026, with prices from £640 to £1,993, a £1,352 spread on the same certified stone. NZ Jewellers lists it at £1,993. 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

0.70
Carat
H
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle33.5°
Pavilion angle40.4°
OriginNatural
Grading LabGIA
CertificateGIA 1533512421
Dimensions5.71 × 5.63 × 3.41 mm
L/W Ratio1.01
Star length55%
Key to symbols
Feather
Top View
5.71 mm5.63 mm0.70 ctH / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1533512421
Side View
Table 61.0%Crown 33.5°Girdle: STK-THKPavilion 40.4°Culet: NoneDepth 60.2%

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: £1,993 GBP|Low: £640 GBP|High: £2,028 GBP|Avg: £936 GBP|-1.8%
NZ Jewellers
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
Retailer 25
Retailer 26
November 6, 2026
Retailer 9£640 GBP
Retailer 11£665 GBP
Retailer 16£669 GBP
Retailer 4£683 GBP
Retailer 17£702 GBP
Retailer 3£723 GBP
Retailer 5£732 GBP
Retailer 25£740 GBP
Retailer 18£753 GBP
Retailer 19£764 GBP
Retailer 8£769 GBP
Retailer 22£780 GBP
Retailer 23£810 GBP
Retailer 26£852 GBP
Retailer 14£854 GBP
Retailer 6£867 GBP
Retailer 15£867 GBP
Retailer 13£897 GBP
Retailer 20£911 GBP
Retailer 7£1,023 GBP
Retailer 2£1,024 GBP
Retailer 21£1,055 GBP
Retailer 10£1,062 GBP
Retailer 24£1,219 GBP
Retailer 12£1,494 GBP
NZ Jewellers£1,993 GBP

21 data points across 26 retailers

33 retailers£640 GBP to £1,993 GBP

A
Cheapest Retailer
-
£640 GBP
A
Retailer 2
-
£665 GBP
View
B+
Retailer 3
-
£669 GBP
View
B+
Retailer 4
-
£683 GBP
View
Final sale: no returns
B+
Retailer 5
-
£702 GBP
View
B+
Retailer 6
-
£723 GBP
View
B+
Retailer 7
-
£732 GBP
View
B+
Retailer 8
-
£740 GBP
View
Retailer 9
-
£753 GBP
View
Price last confirmed 8 days ago
B+
Retailer 10
-
£764 GBP
View
B+
Retailer 11
-
£769 GBP
View
Retailer 12
-
£776 GBP
View
Price last confirmed 50 days ago
B+
Retailer 13
-
£780 GBP
View
B+
Retailer 14
-
£810 GBP
View
B+
Retailer 15
-
£852 GBP
View
B+
Retailer 16
-
£854 GBP
View
B+
Retailer 17
-
£867 GBP
View
B
Retailer 18
-
£867 GBP
View
Retailer 19
-
£895 GBP
View
Price last confirmed 59 days ago
Retailer 20
-
£895 GBP
View
Price last confirmed 56 days ago
Retailer 21
-
£895 GBP
View
Price last confirmed 50 days ago
B
Retailer 22
-
£897 GBP
View
B
Retailer 23
-
£911 GBP
View
B
Retailer 24
-
£999 GBP
View
B
Retailer 25
-
£1,023 GBP
View
B
Retailer 26
-
£1,024 GBP
View
B
Retailer 27
-
£1,055 GBP
View
B
Retailer 28
-
£1,062 GBP
View
B
Retailer 29
-
£1,219 GBP
View
B
Retailer 30
-
£1,494 GBP
View
Retailer 31
-
£1,892 GBP
View
Price last confirmed 49 days ago
Retailer 32
-
£1,892 GBP
View
Price last confirmed 57 days ago
Most Expensive
B
NZ Jewellers
85b83dbf-bc23-4a39-be70-8331a49865c4 · Nov 5
£1,993 GBP
$2,667 USD
View
32 more retailers have this diamond
Prices start from £640 GBPSave up to £1,352 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
£640 GBP