CaratHunter
Plans
Princess|Natural|GIA

1.51ct K SI1 Princess Natural Diamond

EX • K/SI1 • GIA 1429352738

Certificate GIA 1429352738

Diamond specifications and retailer prices

From €5,062 EUR
As of November 6, 2026
Save €1,696 EUR (25%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: €6,759 EUR 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 €5,062 to €6,759, a €1,696 spread on the same certified stone. 77 Diamonds lists it at €6,759. 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

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: €6,759 EUR|Low: €4,998 EUR|High: €6,870 EUR|Avg: €5,936 EUR|+0.8%
77 Diamonds
Retailer 2
November 5, 2026
Retailer 2€5,062 EUR
77 Diamonds€6,759 EUR

33 data points across 2 retailers

2 retailers€5,062 EUR to €6,759 EUR

B
Cheapest Retailer
-
€5,062 EUR
Most Expensive
C
77 Diamonds
PRIMBGJCTKAKQ · Nov 5
€6,759 EUR
£5,942 GBP
View
1 more retailer has this diamond
Prices start from €5,062 EURSave up to €1,696 EUR

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
€5,062 EUR