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Princess|Natural|GIA

1.51ct H SI1 Princess Natural Diamond

EX • H/SI1 • GIA 3565156631

Certificate GIA 3565156631

Diamond specifications and retailer prices

From $6,039 NZD
$3,398 USD
As of October 31, 2026
Save $5,170 NZD (46%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $11,209 NZD at Wholesale Diamonds Direct · As of October 26, 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 3565156631. Listed at 16 retailers as of October 26, 2026, with prices from $6,039 to $11,209, a $5,170 spread on the same certified stone. Wholesale Diamonds Direct lists it at $11,209. 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
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.13°
Pavilion angle37.98°
OriginNatural
Grading LabGIA
CertificateGIA 3565156631
Dimensions6.16 × 6.04 × 4.43 mm
L/W Ratio1.02
Culet sizeNone
Top View
6.16 mm6.04 mm1.51 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3565156631
Side View
Table 70.0%Crown 30.13°Girdle: THK-VTKPavilion 37.98°Culet: NoneDepth 73.3%

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: Oct 31
Current: $7,776 NZD|Low: $6,039 NZD|High: $11,747 NZD|Avg: $7,952 NZD|-3.7%
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
Retailer 14
Retailer 15
Retailer 16
Wholesale Diamonds Direct
November 2, 2026
Retailer 12$6,039 NZD
Retailer 14$6,135 NZD
Retailer 2$6,151 NZD
Retailer 13$6,453 NZD
Retailer 11$6,540 NZD
Retailer 6$6,590 NZD
Retailer 8$6,759 NZD
Retailer 9$7,040 NZD
Retailer 15$7,536 NZD
Retailer 3$7,680 NZD
Retailer 4$7,767 NZD
Retailer 1$7,776 NZD
Retailer 7$8,794 NZD
Retailer 10$9,425 NZD
Retailer 16$10,184 NZD
Retailer 5$10,824 NZD
Wholesale Diamonds Direct$11,209 NZD

21 data points across 17 retailers

16 retailers$6,039 NZD to $11,209 NZD

A
Cheapest Retailer
-
$6,039 NZD
$3,398 USD
A
Retailer 2
-
$6,135 NZD
$3,452 USD
View
A
Retailer 3
-
$6,151 NZD
SGD 4,677 SGD
View
A
Retailer 4
-
$6,453 NZD
$3,631 USD
View
A
Retailer 5
-
$6,540 NZD
$3,680 USD
View
A
Retailer 6
-
$6,590 NZD
SGD 5,011 SGD
View
A
Retailer 7
-
$6,759 NZD
$3,803 USD
View
A
Retailer 8
-
$7,040 NZD
£3,119 GBP
View
A
Retailer 9
-
$7,536 NZD
$4,240 USD
View
A
Retailer 10
-
$7,680 NZD
$4,321 USD
View
A
Retailer 11
-
$7,767 NZD
$4,370 USD
View
A
Retailer 12
-
$7,776 NZD
€4,167 EUR
View
B+
Retailer 13
-
$9,425 NZD
$5,303 USD
View
B+
Retailer 14
-
$10,184 NZD
$5,730 USD
View
B+
Retailer 15
-
$10,824 NZD
$6,090 USD
View
Most Expensive
B
Wholesale Diamonds Direct
427169053 · Oct 26
$11,209 NZD
$6,307 USD
View
15 more retailers have this diamond
Prices start from $6,039 NZDSave up to $5,170 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.

A
1.51ct Princess
$6,039 NZD