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Princess|Natural|GIA

1.29ct H SI2 Princess Natural Diamond

ID • H/SI2 • GIA 2

Certificate GIA 2

Diamond specifications and retailer prices

From $3,275 USD
As of October 31, 2026
Save $836 USD (20%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $4,111 USD at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 1.29ct natural princess diamond

This 1.29ct natural princess sits in the one-and-a-quarter to one-and-a-half carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA. Listed at 3 retailers as of October 31, 2026, with prices from $3,275 to $4,111, a $836 spread on the same certified stone. Blue Nile lists it at $4,111. 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

1.29
Carat
H
Color
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2
Dimensions6.06 × 5.94 × 4.22 mm
L/W Ratio1.02
Top View
6.06 mm5.94 mm1.29 ctH / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2
Side View
Table 72.0%CrownGirdle: ThickPavilionCulet: NoneDepth 71.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 31
Current: $4,111 USD|Low: $3,275 USD|High: $4,111 USD|Avg: $3,447 USD
Blue Nile
Retailer 2
Retailer 3
September 26, 2026
Retailer 3$3,275 USD
Retailer 2$3,288 USD
Blue Nile$4,111 USD

2 data points across 3 retailers

3 retailers$3,275 USD to $4,111 USD

B+
Cheapest Retailer
-
$3,275 USD
B+
Retailer 2
-
$3,288 USD
View
Most Expensive
B
Blue Nile
25526145 · Oct 31
$4,111 USD
View
2 more retailers have this diamond
Prices start from $3,275 USDSave up to $836 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.

B+
1.29ct Princess
$3,275 USD