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Princess|Natural|GIA

0.78ct G SI1 Princess Natural Diamond

EX • G/SI1 • GIA 1555778984

Certificate GIA 1555778984

Diamond specifications and retailer prices

From £598 GBP
As of November 5, 2026
Save £358 GBP (37%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £956 GBP at GemTrove · As of November 6, 2026
View at GemTrove

About this 0.78ct natural princess diamond

This 0.78ct natural princess sits in the just-under-one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1555778984. Listed at 5 retailers as of November 5, 2026, with prices from £598 to £956, a £358 spread on the same certified stone. GemTrove lists it at £956. 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

0.78
Carat
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1555778984
Dimensions4.99 × 4.97 × 3.61 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Twinning Wisp
Top View
4.99 mm4.97 mm0.78 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1555778984
Side View
Table 71.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 72.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: £956 GBP|Low: £598 GBP|High: £956 GBP|Avg: £717 GBP
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 7, 2026
Retailer 3£598 GBP
Retailer 5£612 GBP
Retailer 2£640 GBP
Retailer 4£678 GBP
GemTrove£956 GBP

41 data points across 5 retailers

5 retailers£598 GBP to £956 GBP

A
Cheapest Retailer
-
£598 GBP
A
Retailer 2
-
£612 GBP
View
A
Retailer 3
-
£640 GBP
View
A
Retailer 4
-
£678 GBP
View
Most Expensive
B+
GemTrove
GT-N-01304397-98 · Nov 6
£956 GBP
A$1,968 AUD
View
4 more retailers have this diamond
Prices start from £598 GBPSave up to £358 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
0.78ct Princess
£598 GBP