Round|Natural|GIA

1.70ct H SI2 Round Natural Diamond

VG • H/SI2 • GIA 7452842536

Certificate GIA 7452842536

Diamond specifications and retailer prices

From £5,686 GBP
$7,618 USD
As of October 30, 2026
Save £5,169 GBP (48%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £10,855 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.7ct natural round diamond

This 1.7ct natural round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 7452842536. Listed at 18 retailers as of October 30, 2026, with prices from £5,686 to £10,855, a £5,169 spread on the same certified stone. NZ Jewellers lists it at £10,855. 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

1.70
Carat
H
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle38°
Pavilion angle39.8°
OriginNatural
Grading LabGIA
CertificateGIA 7452842536
Dimensions7.43 × 7.34 × 4.78 mm
L/W Ratio1.01
Top View
7.43 mm7.34 mm1.70 ctH / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 7452842536
Side View
Table 55.0%Crown 38°Girdle: THN-THKPavilion 39.8°Culet: NoneDepth 64.8%

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: Oct 30
Current: £10,855 GBP|Low: £5,686 GBP|High: £10,855 GBP|Avg: £7,703 GBP
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
October 31, 2026
Retailer 11£5,686 GBP
Retailer 8£5,982 GBP
Retailer 9£6,512 GBP
Retailer 13£6,512 GBP
Retailer 3£7,055 GBP
Retailer 2£7,070 GBP
Retailer 10£7,164 GBP
Retailer 12£7,905 GBP
Retailer 6£8,128 GBP
Retailer 4£8,141 GBP
Retailer 5£8,572 GBP
Retailer 7£10,225 GBP
NZ Jewellers£10,855 GBP

38 data points across 13 retailers

18 retailers£5,686 GBP to £10,855 GBP

B+
Cheapest Retailer
-
£5,686 GBP
$7,618 USD
B
Retailer 2
-
£5,947 GBP
$7,968 USD
View
B+
Retailer 3
-
£5,982 GBP
$8,015 USD
View
B
Retailer 4
-
£6,098 GBP
$8,171 USD
View
B
Retailer 5
-
£6,282 GBP
$8,417 USD
View
B
Retailer 6
-
£6,358 GBP
CA$11,833 CAD
View
B
Retailer 7
-
£6,512 GBP
$8,725 USD
View
Final sale: no returns
B
Retailer 8
-
£6,512 GBP
$8,726 USD
View
B
Retailer 9
-
£6,627 GBP
$8,879 USD
View
B
Retailer 10
-
£7,055 GBP
$9,453 USD
View
B
Retailer 11
-
£7,070 GBP
View
B
Retailer 12
-
£7,164 GBP
$9,599 USD
View
B
Retailer 13
-
£7,905 GBP
$10,592 USD
View
B
Retailer 14
-
£8,128 GBP
€10,372 EUR
View
B
Retailer 15
-
£8,141 GBP
$10,908 USD
View
Retailer 16
-
£8,572 GBP
$11,486 USD
View
Price last confirmed 9 days ago
B
Retailer 17
-
£10,225 GBP
View
Most Expensive
C
NZ Jewellers
3a2f0b66-1ed0-448b-985d-17c3bfbee0fa · Oct 30
£10,855 GBP
$14,544 USD
View
17 more retailers have this diamond
Prices start from £5,686 GBPSave up to £5,169 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+
1.70ct Round
£5,686 GBP