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Round|Natural|GIA

1.70ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 6562471208

Certificate GIA 6562471208

Diamond specifications and retailer prices

From £4,595 GBP
HK$48,100 HKD
As of November 1, 2026
Save £5,622 GBP (55%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £10,217 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 top-tier cut grade and certified by GIA 6562471208. Listed at 17 retailers as of October 30, 2026, with prices from £4,595 to £10,217, a £5,622 spread on the same certified stone. NZ Jewellers lists it at £10,217. 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

1.70
Carat
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6562471208
Dimensions7.61 × 7.65 × 4.78 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal
Top View
7.61 mm7.65 mm1.70 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6562471208
Side View
Table 56.0%Crown 35.5°Girdle: MediumPavilion 41.2°Culet: NoneDepth 62.6%

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 1
Current: £10,217 GBP|Low: £4,547 GBP|High: £10,217 GBP|Avg: £6,505 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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 1, 2026
Retailer 14£4,595 GBP
Retailer 10£4,839 GBP
Retailer 6£5,243 GBP
Retailer 9£5,280 GBP
Retailer 7£5,639 GBP
Retailer 17£5,639 GBP
Retailer 13£5,677 GBP
Retailer 8£5,732 GBP
Retailer 16£6,109 GBP
Retailer 4£6,203 GBP
Retailer 5£6,238 GBP
Retailer 2£6,646 GBP
Retailer 3£7,049 GBP
Retailer 11£7,378 GBP
Retailer 12£8,513 GBP
Retailer 15£9,204 GBP
NZ Jewellers£10,217 GBP

16 data points across 17 retailers

17 retailers£4,595 GBP to £10,217 GBP

A
Cheapest Retailer
-
£4,595 GBP
HK$48,100 HKD
A
Retailer 2
-
£4,839 GBP
₹617,534 INR
View
Retailer 3
-
£5,243 GBP
$7,025 USD
View
Price last confirmed 14 days ago
B+
Retailer 4
-
£5,280 GBP
$7,075 USD
View
B+
Retailer 5
-
£5,639 GBP
$7,555 USD
View
Final sale: no returns
B+
Retailer 6
-
£5,639 GBP
$7,556 USD
View
B+
Retailer 7
-
£5,677 GBP
View
B+
Retailer 8
-
£5,732 GBP
$7,680 USD
View
B+
Retailer 9
-
£6,109 GBP
$8,185 USD
View
B
Retailer 10
-
£6,203 GBP
$8,311 USD
View
B
Retailer 11
-
£6,238 GBP
$8,359 USD
View
B+
Retailer 12
-
£6,646 GBP
€8,481 EUR
View
B
Retailer 13
-
£7,049 GBP
$9,445 USD
View
B
Retailer 14
-
£7,378 GBP
View
B
Retailer 15
-
£8,513 GBP
View
B
Retailer 16
-
£9,204 GBP
View
Most Expensive
B
NZ Jewellers
68d7dac4-c811-48f5-8c44-4ed72ee1f081 · Oct 30
£10,217 GBP
$13,690 USD
View
16 more retailers have this diamond
Prices start from £4,595 GBPSave up to £5,622 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
1.70ct Round
£4,595 GBP