Heart|Natural|GIA

1.71ct D SI1 Heart Natural Diamond

EX • D/SI1 • GIA 7541965830

Certificate GIA 7541965830

Diamond specifications and retailer prices

From £5,197 GBP
HK$54,400 HKD
As of November 1, 2026
Save £2,016 GBP (28%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £7,213 GBP at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 1.71ct natural heart diamond

This 1.71ct natural heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7541965830. Listed at 12 retailers as of October 31, 2026, with prices from £5,197 to £7,213, a £2,016 spread on the same certified stone. Blue Nile lists it at £7,213. 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
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7541965830
Dimensions7.06 × 8.18 × 4.90 mm
L/W Ratio1.16
Top View
7.06 mm8.18 mm1.71 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7541965830
Side View
Table 60.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 59.9%

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: £7,213 GBP|Low: £5,197 GBP|High: £7,519 GBP|Avg: £6,182 GBP|-4.1%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 9£5,197 GBP
Retailer 2£5,327 GBP
Retailer 7£5,394 GBP
Retailer 12£5,630 GBP
Retailer 8£5,718 GBP
Retailer 4£5,875 GBP
Retailer 10£6,013 GBP
Retailer 6£6,092 GBP
Retailer 11£6,197 GBP
Retailer 5£6,961 GBP
Retailer 3£7,113 GBP
Blue Nile£7,213 GBP

32 data points across 12 retailers

12 retailers£5,197 GBP to £7,213 GBP

A
Cheapest Retailer
-
£5,197 GBP
HK$54,400 HKD
A
Retailer 2
-
£5,327 GBP
₹679,733 INR
View
Retailer 3
-
£5,394 GBP
€6,883 EUR
View
Price last confirmed 7 days ago
B+
Retailer 4
-
£5,630 GBP
$7,543 USD
View
Final sale: no returns
B+
Retailer 5
-
£5,718 GBP
$7,661 USD
View
Retailer 6
-
£5,875 GBP
SGD 10,637 SGD
View
Price last confirmed 21 days ago
B+
Retailer 7
-
£6,013 GBP
SGD 10,888 SGD
View
B+
Retailer 8
-
£6,092 GBP
$8,163 USD
View
B+
Retailer 9
-
£6,197 GBP
$8,303 USD
View
B+
Retailer 10
-
£6,961 GBP
View
B+
Retailer 11
-
£7,113 GBP
$9,530 USD
View
Most Expensive
B+
Blue Nile
28761523 · Oct 31
£7,213 GBP
$9,664 USD
View
11 more retailers have this diamond
Prices start from £5,197 GBPSave up to £2,016 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
£5,197 GBP