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Round|Natural|GIA

1.70ct M SI1 Round Natural Diamond

EX • M/SI1 • GIA 6562392132

Certificate GIA 6562392132

Diamond specifications and retailer prices

From £2,170 GBP
As of November 6, 2026
Save £2,985 GBP (58%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £5,155 GBP at NZ Jewellers · As of November 5, 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 M colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6562392132. Listed at 11 retailers as of November 5, 2026, with prices from £2,170 to £5,155, a £2,985 spread on the same certified stone. NZ Jewellers lists it at £5,155. 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
M
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6562392132
Dimensions7.60 × 7.56 × 4.75 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
7.60 mm7.56 mm1.70 ctM / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6562392132
Side View
Table 56.0%Crown 35.5°Girdle: MED-STKPavilion 40.6°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 6
Current: £5,155 GBP|Low: £2,152 GBP|High: £5,485 GBP|Avg: £3,264 GBP|-6.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 7£2,170 GBP
Retailer 11£2,353 GBP
Retailer 9£2,731 GBP
Retailer 6£2,824 GBP
Retailer 3£2,833 GBP
Retailer 8£2,896 GBP
Retailer 10£3,033 GBP
Retailer 2£3,222 GBP
Retailer 4£3,612 GBP
Retailer 5£4,442 GBP
NZ Jewellers£5,155 GBP

22 data points across 11 retailers

11 retailers£2,170 GBP to £5,155 GBP

A
Cheapest Retailer
-
£2,170 GBP
A
Retailer 2
-
£2,353 GBP
View
B+
Retailer 3
-
£2,731 GBP
View
Final sale: no returns
B+
Retailer 4
-
£2,824 GBP
View
B+
Retailer 5
-
£2,833 GBP
View
B+
Retailer 6
-
£2,896 GBP
View
B+
Retailer 7
-
£3,033 GBP
View
B
Retailer 8
-
£3,222 GBP
View
B
Retailer 9
-
£3,612 GBP
View
B
Retailer 10
-
£4,442 GBP
View
Most Expensive
B
NZ Jewellers
9a4c5e31-4522-437f-891d-0b2c2eeb286d · Nov 5
£5,155 GBP
$6,900 USD
View
10 more retailers have this diamond
Prices start from £2,170 GBPSave up to £2,985 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
£2,170 GBP