Heart|Natural|GIA

5.10ct D SI1 Heart Natural Diamond

ID • D/SI1 • GIA 2235859271

Certificate GIA 2235859271

Diamond specifications and retailer prices

From £51,629 GBP
$69,177 USD
As of October 30, 2026
Save £26,193 GBP (34%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £77,821 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 5.1ct natural heart diamond

This 5.1ct natural heart sits in the over five 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 2235859271. Listed at 7 retailers as of October 29, 2026, with prices from £51,629 to £77,821, a £26,193 spread on the same certified stone. MOH London lists it at £77,821. 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

5.10
Carat
D
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceVery Strong
Crown angle39.03°
Pavilion angle41.34°
OriginNatural
Grading LabGIA
CertificateGIA 2235859271
Dimensions11.93 × 10.47 × 7.14 mm
L/W Ratio1.14
Girdle conditionVery Thick
Key to symbols
Twinning Wisp, Crystal, Feather
Top View
11.93 mm10.47 mm5.10 ctD / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceVery Strong
CertificateGIA 2235859271
Side View
Table 61.0%Crown 39.03°Girdle: Slightly ThickPavilion 41.34°Culet: 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: Oct 30
Current: £77,821 GBP|Low: £46,437 GBP|High: £78,340 GBP|Avg: £56,690 GBP|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 7£47,016 GBP
Retailer 5£51,629 GBP
Retailer 2£51,676 GBP
Retailer 6£52,900 GBP
Retailer 8£53,370 GBP
Retailer 9£54,629 GBP
Retailer 3£56,989 GBP
Retailer 4£59,268 GBP
MOH London£77,821 GBP

36 data points across 9 retailers

7 retailers£51,629 GBP to £77,821 GBP

Retailer 1
-
£47,016 GBP
A$96,917 AUD
Price last confirmed 27 days ago
A
Retailer 2
-
£51,629 GBP
$69,177 USD
View
A
Retailer 3
-
£51,676 GBP
View
A
Retailer 4
-
£52,900 GBP
$70,880 USD
View
A
Retailer 5
-
£56,989 GBP
$76,359 USD
View
A
Retailer 6
-
£59,268 GBP
$79,413 USD
View
Most Expensive
B+
MOH London
1F8D57D91 · Oct 29
£77,821 GBP
View
6 more retailers have this diamond
Prices start from £51,629 GBPSave up to £26,193 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
5.10ct Heart
£51,629 GBP