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Heart|Natural|GIA

1.70ct H SI1 Heart Natural Diamond

EX • H/SI1 • GIA 1568557782

Certificate GIA 1568557782

Diamond specifications and retailer prices

From £3,272 GBP
HK$34,300 HKD
As of November 2, 2026
Save £3,561 GBP (52%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £6,833 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 1.7ct natural heart diamond

This 1.7ct natural heart sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1568557782. Listed at 15 retailers as of November 2, 2026, with prices from £3,272 to £6,833, a £3,561 spread on the same certified stone. MOH London lists it at £6,833. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1568557782
Dimensions7.04 × 8.01 × 5.10 mm
L/W Ratio1.14
Girdle conditionFaceted
Top View
7.04 mm8.01 mm1.70 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1568557782
Side View
Table 62.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 63.7%

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: Nov 2
Current: £6,833 GBP|Low: £3,138 GBP|High: £6,833 GBP|Avg: £4,465 GBP|+0.5%
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
Retailer 15
November 2, 2026
Retailer 9£3,272 GBP
Retailer 5£3,312 GBP
Retailer 14£3,448 GBP
Retailer 2£3,632 GBP
Retailer 3£3,650 GBP
Retailer 8£3,874 GBP
Retailer 12£3,878 GBP
Retailer 4£3,912 GBP
Retailer 13£4,100 GBP
Retailer 10£4,370 GBP
Retailer 6£4,464 GBP
Retailer 11£5,246 GBP
Retailer 15£5,624 GBP
Retailer 7£6,609 GBP
MOH London£6,833 GBP

11 data points across 15 retailers

15 retailers£3,272 GBP to £6,833 GBP

A
Cheapest Retailer
-
£3,272 GBP
HK$34,300 HKD
A
Retailer 2
-
£3,312 GBP
$4,445 USD
View
A
Retailer 3
-
£3,448 GBP
$4,627 USD
View
A
Retailer 4
-
£3,632 GBP
€4,642 EUR
View
A
Retailer 5
-
£3,650 GBP
$4,898 USD
View
A
Retailer 6
-
£3,874 GBP
A$7,998 AUD
View
B+
Retailer 7
-
£3,878 GBP
$5,204 USD
View
Final sale: no returns
B+
Retailer 8
-
£3,912 GBP
$5,250 USD
View
B+
Retailer 9
-
£4,100 GBP
View
B+
Retailer 10
-
£4,370 GBP
View
B+
Retailer 11
-
£4,464 GBP
$5,990 USD
View
B+
Retailer 12
-
£5,246 GBP
$7,040 USD
View
B
Retailer 13
-
£5,624 GBP
ZAR 121,917 ZAR
View
B
Retailer 14
-
£6,609 GBP
$8,869 USD
View
Most Expensive
B
MOH London
97AA2742E · Nov 2
£6,833 GBP
View
14 more retailers have this diamond
Prices start from £3,272 GBPSave up to £3,561 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 Heart
£3,272 GBP