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Princess|Natural|GIA

1.51ct K SI1 Princess Natural Diamond

EX • K/SI1 • GIA 1429352738

Certificate GIA 1429352738

Diamond specifications and retailer prices

From $10,054 NZD
As of November 6, 2026
Save $3,369 NZD (25%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $13,424 NZD at 77 Diamonds · As of November 5, 2026
View at 77 Diamonds

About this 1.51ct natural princess diamond

This 1.51ct natural princess sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1429352738. Listed at 2 retailers as of November 5, 2026, with prices from $10,054 to $13,424, a $3,369 spread on the same certified stone. 77 Diamonds lists it at $13,424. 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

1.51
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1429352738
Dimensions6.38 × 6.36 × 4.58 mm
L/W Ratio1.00
Top View
6.38 mm6.36 mm1.51 ctK / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 1429352738
Side View
Table 72.0%CrownGirdlePavilionCuletDepth 71.9%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 6
Current: $13,424 NZD|Low: $9,926 NZD|High: $13,645 NZD|Avg: $11,790 NZD|+0.8%
77 Diamonds
Retailer 2
November 5, 2026
Retailer 2$10,054 NZD
77 Diamonds$13,424 NZD

33 data points across 2 retailers

2 retailers$10,054 NZD to $13,424 NZD

B
Cheapest Retailer
-
$10,054 NZD
Most Expensive
C
77 Diamonds
PRIMBGJCTKAKQ · Nov 5
$13,424 NZD
£5,942 GBP
View
1 more retailer has this diamond
Prices start from $10,054 NZDSave up to $3,369 NZD

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
1.51ct Princess
$10,054 NZD