Princess|Natural|GIA

0.51ct I SI1 Princess Natural Diamond

EX • I/SI1 • GIA 2527400704

Certificate GIA 2527400704

Diamond specifications and retailer prices

From $466 USD
As of November 4, 2026
Save $390 USD (46%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $856 USD at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

About this 0.51ct natural princess diamond

This 0.51ct natural princess sits in the half to three-quarter carat band, graded I 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 2527400704. Listed at 5 retailers as of November 4, 2026, with prices from $466 to $856, a $390 spread on the same certified stone. 77 Diamonds lists it at $856. 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

0.51
Carat
I
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2527400704
Dimensions4.27 × 4.26 × 3.09 mm
L/W Ratio1.00
Top View
4.27 mm4.26 mm0.51 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2527400704
Side View
Table 72.0%CrownGirdlePavilionCulet: NoneDepth 72.4%

Caratlytics Score

How it works →
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: Nov 4
Current: $856 USD|Low: $466 USD|High: $867 USD|Avg: $632 USD|+1.2%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 3$466 USD
Retailer 4$536 USD
Retailer 2$604 USD
Retailer 5$694 USD
77 Diamonds$856 USD

37 data points across 5 retailers

5 retailers$466 USD to $856 USD

A
Cheapest Retailer
-
$466 USD
B+
Retailer 2
-
$536 USD
View
B
Retailer 3
-
$604 USD
View
B
Retailer 4
-
$694 USD
View
Most Expensive
B
77 Diamonds
PRIZ7EAVJFBZ · Nov 6
$856 USD
£674 GBP
View
4 more retailers have this diamond
Prices start from $466 USDSave up to $390 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
0.51ct Princess
$466 USD