Princess|Natural|GIA

1.51ct H SI1 Princess Natural Diamond

EX • H/SI1 • GIA 1568481656

Certificate GIA 1568481656

Diamond specifications and retailer prices

From $3,564 USD
As of October 28, 2026
Save $3,027 USD (46%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $6,591 USD at Wholesale Diamonds Direct · As of October 27, 2026
View at Wholesale Diamonds Direct

About this 1.51ct natural princess diamond

This 1.51ct natural princess sits in the one-and-a-half to two carat band, graded H 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 1568481656. Listed at 15 retailers as of October 27, 2026, with prices from $3,564 to $6,591, a $3,027 spread on the same certified stone. Wholesale Diamonds Direct lists it at $6,591. 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
H
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle22.8°
Pavilion angle39.74°
OriginNatural
Grading LabGIA
CertificateGIA 1568481656
Dimensions6.41 × 6.30 × 4.53 mm
L/W Ratio1.02
Culet sizeNone
Top View
6.41 mm6.30 mm1.51 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1568481656
Side View
Table 72.0%Crown 22.8°Girdle: MED-STKPavilion 39.74°Culet: NDepth 71.8%

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: Oct 28
Current: $5,562 USD|Low: $3,564 USD|High: $6,591 USD|Avg: $4,616 USD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Wholesale Diamonds Direct
October 29, 2026
Retailer 4$3,564 USD
Retailer 13$3,620 USD
Retailer 3$3,808 USD
Retailer 9$3,850 USD
Retailer 8$3,864 USD
Retailer 2$3,891 USD
Retailer 7$4,135 USD
Retailer 11$4,521 USD
Retailer 5$4,562 USD
Retailer 6$4,602 USD
Retailer 1$5,562 USD
Retailer 12$6,010 USD
Retailer 10$6,387 USD
Wholesale Diamonds Direct$6,591 USD

22 data points across 14 retailers

15 retailers$3,564 USD to $6,591 USD

A
Cheapest Retailer
-
$3,564 USD
A
Retailer 2
-
$3,620 USD
View
A
Retailer 3
-
$3,630 USD
SGD 4,906 SGD
View
A
Retailer 4
-
$3,808 USD
View
A
Retailer 5
-
$3,850 USD
View
A
Retailer 6
-
$3,864 USD
View
A
Retailer 7
-
$3,891 USD
SGD 5,258 SGD
View
A
Retailer 8
-
$4,135 USD
£3,256 GBP
View
B+
Retailer 9
-
$4,521 USD
View
B+
Retailer 10
-
$4,562 USD
View
B+
Retailer 11
-
$4,602 USD
€4,383 EUR
View
B+
Retailer 12
-
$5,562 USD
View
B
Retailer 13
-
$6,010 USD
View
B+
Retailer 14
-
$6,387 USD
View
Most Expensive
B
Wholesale Diamonds Direct
515662370 · Oct 27
$6,591 USD
View
14 more retailers have this diamond
Prices start from $3,564 USDSave up to $3,027 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
$3,564 USD