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Heart|Natural|GIA

1.71ct K SI2 Heart Natural Diamond

EX • K/SI2 • GIA 6555684093

Certificate GIA 6555684093

Diamond specifications and retailer prices

From £2,076 GBP
As of November 6, 2026
Save £773 GBP (27%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £2,850 GBP at GemTrove · As of November 6, 2026
View at GemTrove

About this 1.71ct natural heart diamond

This 1.71ct natural heart sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6555684093. Listed at 6 retailers as of November 6, 2026, with prices from £2,076 to £2,850, a £773 spread on the same certified stone. GemTrove lists it at £2,850. 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

1.71
Carat
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6555684093
Dimensions7.35 × 8.48 × 4.68 mm
L/W Ratio1.15
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Cloud, Crystal, Needle, Natural
Top View
7.35 mm8.48 mm1.71 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6555684093
Side View
Table 57.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 55.2%

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: £2,076 GBP|Low: £2,002 GBP|High: £2,749 GBP|Avg: £2,288 GBP|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 1£2,076 GBP
Retailer 4£2,104 GBP
Retailer 3£2,126 GBP
Retailer 2£2,230 GBP
Retailer 5£2,438 GBP

46 data points across 5 retailers

6 retailers£2,076 GBP to £2,850 GBP

A
Cheapest Retailer
-
£2,076 GBP
A
Retailer 2
-
£2,104 GBP
View
A
Retailer 3
-
£2,126 GBP
View
Final sale: no returns
A
Retailer 4
-
£2,230 GBP
View
A
Retailer 5
-
£2,438 GBP
View
Most Expensive
B+
GemTrove
GT-N-01270020-98 · Nov 6
£2,850 GBP
A$5,868 AUD
View
5 more retailers have this diamond
Prices start from £2,076 GBPSave up to £773 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
1.71ct Heart
£2,076 GBP