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Round|Natural|GIA

1.70ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 7566026649

Certificate GIA 7566026649

Diamond specifications and retailer prices

From £3,062 GBP
$4,103 USD
As of October 29, 2026
Save £3,595 GBP (54%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £6,658 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.7ct natural round diamond

This 1.7ct natural round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7566026649. Listed at 16 retailers as of October 29, 2026, with prices from £3,062 to £6,658, a £3,595 spread on the same certified stone. MOH London lists it at £6,658. 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
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7566026649
Dimensions7.53 × 7.58 × 4.74 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
7.53 mm7.58 mm1.70 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7566026649
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.7%

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: Oct 29
Current: £6,658 GBP|Low: £2,950 GBP|High: £6,658 GBP|Avg: £4,269 GBP|+0.7%
MOH London
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
October 30, 2026
Retailer 4£3,062 GBP
Retailer 9£3,200 GBP
Retailer 11£3,408 GBP
Retailer 7£3,426 GBP
Retailer 8£3,609 GBP
Retailer 3£4,181 GBP
Retailer 10£4,373 GBP
Retailer 12£4,373 GBP
Retailer 14£4,515 GBP
Retailer 2£4,613 GBP
Retailer 6£4,802 GBP
Retailer 5£4,838 GBP
Retailer 13£5,600 GBP
MOH London£6,658 GBP

26 data points across 14 retailers

16 retailers£3,062 GBP to £6,658 GBP

A
Cheapest Retailer
-
£3,062 GBP
$4,103 USD
A
Retailer 2
-
£3,200 GBP
HK$33,500 HKD
View
B+
Retailer 3
-
£3,408 GBP
$4,567 USD
View
B+
Retailer 4
-
£3,426 GBP
$4,591 USD
View
B+
Retailer 5
-
£3,609 GBP
$4,835 USD
View
Final sale: no returns
Retailer 6
-
£3,944 GBP
$5,285 USD
View
Price last confirmed 18 days ago
B+
Retailer 7
-
£4,181 GBP
View
B+
Retailer 8
-
£4,373 GBP
$5,860 USD
View
B+
Retailer 9
-
£4,373 GBP
$5,860 USD
View
B
Retailer 10
-
£4,515 GBP
$6,050 USD
View
B
Retailer 11
-
£4,613 GBP
€5,887 EUR
View
Retailer 12
-
£4,802 GBP
$6,434 USD
View
Price last confirmed 18 days ago
B+
Retailer 13
-
£4,838 GBP
$6,482 USD
View
Retailer 14
-
£5,059 GBP
$6,779 USD
View
Price last confirmed 54 days ago
B
Retailer 15
-
£5,600 GBP
View
Most Expensive
B
MOH London
F70ACB3AA · Oct 29
£6,658 GBP
View
15 more retailers have this diamond
Prices start from £3,062 GBPSave up to £3,595 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
£3,062 GBP