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Princess|Natural|GIA

1.51ct E SI2 Princess Natural Diamond

EX • E/SI2 • GIA 2278203532

Certificate GIA 2278203532

Diamond specifications and retailer prices

From $2,854 USD
As of November 4, 2026
Save $3,709 USD (57%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $6,563 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.51ct natural princess diamond

This 1.51ct natural princess sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2278203532. Listed at 21 retailers as of November 4, 2026, with prices from $2,854 to $6,563, a $3,709 spread on the same certified stone. NZ Jewellers lists it at $6,563. 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
E
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2278203532
Dimensions6.22 × 6.15 × 4.52 mm
L/W Ratio1.01
Girdle conditionPolished
Culet sizeVery Small
Key to symbols
Crystal, Feather, Cloud, Needle, Natural
Top View
6.22 mm6.15 mm1.51 ctE / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2278203532
Side View
Table 73.0%CrownGirdle: THK-VTKPavilionCulet: Very SmallDepth 73.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $6,563 USD|Low: $2,726 USD|High: $6,563 USD|Avg: $3,953 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 6, 2026
Retailer 17$2,854 USD
Retailer 5$3,018 USD
Retailer 15$3,075 USD
Retailer 6$3,138 USD
Retailer 20$3,189 USD
Retailer 7$3,224 USD
Retailer 10$3,413 USD
Retailer 19$3,413 USD
Retailer 18$3,490 USD
Retailer 9$3,544 USD
Retailer 16$3,559 USD
Retailer 12$3,657 USD
Retailer 3$3,870 USD
Retailer 8$3,870 USD
Retailer 13$3,898 USD
Retailer 11$3,938 USD
Retailer 4$4,000 USD
Retailer 2$4,385 USD
Retailer 14$6,282 USD
NZ Jewellers$6,563 USD

38 data points across 20 retailers

21 retailers$2,854 USD to $6,563 USD

A
Cheapest Retailer
-
$2,854 USD
A
Retailer 2
-
$3,018 USD
View
A
Retailer 3
-
$3,075 USD
View
A
Retailer 4
-
$3,116 USD
View
A
Retailer 5
-
$3,138 USD
View
A
Retailer 6
-
$3,189 USD
View
A
Retailer 7
-
$3,224 USD
View
Final sale: no returns
Retailer 8
-
$3,413 USD
View
Price last confirmed 8 days ago
A
Retailer 9
-
$3,413 USD
View
A
Retailer 10
-
$3,490 USD
View
A
Retailer 11
-
$3,544 USD
View
A
Retailer 12
-
$3,559 USD
View
A
Retailer 13
-
$3,657 USD
View
A
Retailer 14
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$3,870 USD
View
A
Retailer 15
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$3,870 USD
View
A
Retailer 16
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$3,898 USD
View
A
Retailer 17
-
$3,938 USD
View
A
Retailer 18
-
$4,000 USD
View
A
Retailer 19
-
$4,385 USD
View
B+
Retailer 20
-
$6,282 USD
View
Most Expensive
B+
NZ Jewellers
69781e79-cb6c-48cd-be69-0f4cc319ee06 · Nov 5
$6,563 USD
View
20 more retailers have this diamond
Prices start from $2,854 USDSave up to $3,709 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
1.51ct Princess
$2,854 USD