Heart|Natural|GIA

1.70ct H SI2 Heart Natural Diamond

ID • H/SI2 • GIA 6552992544

Certificate GIA 6552992544

Diamond specifications and retailer prices

From £2,828 GBP
HK$29,600 HKD
As of November 1, 2026
Save £4,456 GBP (61%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £7,284 GBP at Queensmith · As of October 28, 2026
View at Queensmith

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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6552992544. Listed at 19 retailers as of October 28, 2026, with prices from £2,828 to £7,284, a £4,456 spread on the same certified stone. Queensmith lists it at £7,284. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6552992544
Dimensions7.51 × 8.06 × 4.68 mm
L/W Ratio1.07
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Cavity, Needle, Indented Natural, Natural
Top View
7.51 mm8.06 mm1.70 ctH / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6552992544
Side View
Table 61.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 58.0%

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: £7,284 GBP|Low: £2,799 GBP|High: £7,308 GBP|Avg: £4,180 GBP|+2.5%
Queensmith
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 2, 2026
Retailer 13£2,828 GBP
Retailer 10£3,020 GBP
Retailer 5£3,326 GBP
Retailer 6£3,479 GBP
Retailer 8£3,592 GBP
Retailer 11£3,652 GBP
Retailer 2£3,724 GBP
Retailer 4£3,770 GBP
Retailer 15£3,770 GBP
Retailer 16£3,770 GBP
Retailer 9£3,806 GBP
Retailer 7£3,883 GBP
Retailer 14£4,266 GBP
Retailer 17£4,350 GBP
Retailer 12£6,004 GBP
Retailer 3£6,305 GBP
Queensmith£7,284 GBP

24 data points across 17 retailers

19 retailers£2,828 GBP to £7,284 GBP

A
Cheapest Retailer
-
£2,828 GBP
HK$29,600 HKD
A
Retailer 2
-
£3,020 GBP
₹385,353 INR
View
A
Retailer 3
-
£3,326 GBP
SGD 6,022 SGD
View
A
Retailer 4
-
£3,458 GBP
$4,633 USD
View
A
Retailer 5
-
£3,479 GBP
$4,662 USD
View
Final sale: no returns
B+
Retailer 6
-
£3,592 GBP
SGD 6,504 SGD
View
B+
Retailer 7
-
£3,647 GBP
A$7,518 AUD
View
A
Retailer 8
-
£3,652 GBP
View
A
Retailer 9
-
£3,724 GBP
View
B+
Retailer 10
-
£3,770 GBP
$5,051 USD
View
B+
Retailer 11
-
£3,770 GBP
$5,051 USD
View
B+
Retailer 12
-
£3,770 GBP
$5,051 USD
View
B+
Retailer 13
-
£3,806 GBP
$5,100 USD
View
B+
Retailer 14
-
£3,883 GBP
$5,203 USD
View
B+
Retailer 15
-
£4,266 GBP
€5,444 EUR
View
B+
Retailer 16
-
£4,350 GBP
$5,828 USD
View
B
Retailer 17
-
£6,004 GBP
View
B
Retailer 18
-
£6,305 GBP
$8,448 USD
View
Most Expensive
B
Queensmith
6552992544 · Oct 28
£7,284 GBP
View
18 more retailers have this diamond
Prices start from £2,828 GBPSave up to £4,456 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
£2,828 GBP