Princess|Natural|GIA

5.15ct E SI1 Princess Natural Diamond

EX • E/SI1 • GIA 6193253307

Certificate GIA 6193253307

Diamond specifications and retailer prices

From £88,363 GBP
$117,671 USD
As of October 29, 2026
Save £53,381 GBP (38%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £141,744 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 5.15ct natural princess diamond

This 5.15ct natural princess sits in the over five carat band, graded E 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 6193253307. Listed at 5 retailers as of October 29, 2026, with prices from £88,363 to £141,744, a £53,381 spread on the same certified stone. MOH London lists it at £141,744. 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

5.15
Carat
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6193253307
Dimensions9.31 × 9.25 × 6.78 mm
L/W Ratio1.01
Top View
9.31 mm9.25 mm5.15 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6193253307
Side View
Table 72.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 73.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £141,744 GBP|Low: £83,080 GBP|High: £142,687 GBP|Avg: £102,162 GBP|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 29, 2026
Retailer 3£84,115 GBP
Retailer 4£88,363 GBP
Retailer 5£92,543 GBP
Retailer 6£100,123 GBP
Retailer 2£106,257 GBP
MOH London£141,744 GBP

28 data points across 6 retailers

5 retailers£88,363 GBP to £141,744 GBP

Retailer 1
-
£84,115 GBP
A$172,330 AUD
Price last confirmed 26 days ago
A
Retailer 2
-
£88,363 GBP
$117,671 USD
View
B+
Retailer 3
-
£100,123 GBP
$133,332 USD
View
B+
Retailer 4
-
£106,257 GBP
€134,762 EUR
View
Most Expensive
B
MOH London
C8617BB7A · Oct 29
£141,744 GBP
View
4 more retailers have this diamond
Prices start from £88,363 GBPSave up to £53,381 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
5.15ct Princess
£88,363 GBP