Princess|Natural|GIA

0.78ct G SI1 Princess Natural Diamond

EX • G/SI1 • GIA 1555778984

Certificate GIA 1555778984

Diamond specifications and retailer prices

From $800 USD
As of October 31, 2026
Save $479 USD (37%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,279 USD at GemTrove · As of November 2, 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 October 31, 2026, with prices from $800 to $1,279, a $479 spread on the same certified stone. GemTrove lists it at $1,279. 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
Color
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

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $1,279 USD|Low: $800 USD|High: $1,279 USD|Avg: $964 USD
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 3, 2026
Retailer 3$800 USD
Retailer 5$819 USD
Retailer 2$866 USD
Retailer 4$907 USD
GemTrove$1,279 USD

39 data points across 5 retailers

5 retailers$800 USD to $1,279 USD

A
Cheapest Retailer
-
$800 USD
A
Retailer 2
-
$819 USD
SGD 1,107 SGD
View
A
Retailer 3
-
$866 USD
£682 GBP
View
A
Retailer 4
-
$907 USD
View
Most Expensive
B+
GemTrove
GT-N-01304397-98 · Nov 2
$1,279 USD
A$1,968 AUD
View
4 more retailers have this diamond
Prices start from $800 USDSave up to $479 USD

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
$800 USD