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Princess|Natural|GIA

1.51ct H SI1 Princess Natural Diamond

EX • H/SI1 • GIA 1568481656

Certificate GIA 1568481656

Diamond specifications and retailer prices

From $4,556 SGD
$3,564 USD
As of October 31, 2026
Save $3,869 SGD (46%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $8,426 SGD 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 $4,556 to $8,426, a $3,869 spread on the same certified stone. Wholesale Diamonds Direct lists it at $8,426. 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
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 31
Current: $5,866 SGD|Low: $4,556 SGD|High: $8,426 SGD|Avg: $5,907 SGD|+0.3%
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
November 2, 2026
Retailer 4$4,556 SGD
Retailer 13$4,628 SGD
Retailer 3$4,868 SGD
Retailer 9$4,922 SGD
Retailer 8$4,940 SGD
Retailer 2$4,974 SGD
Retailer 6$5,310 SGD
Retailer 11$5,780 SGD
Retailer 5$5,832 SGD
Retailer 1$5,866 SGD
Retailer 7$7,110 SGD
Retailer 12$7,683 SGD
Retailer 10$8,165 SGD
Wholesale Diamonds Direct$8,426 SGD

26 data points across 14 retailers

15 retailers$4,556 SGD to $8,426 SGD

A
Cheapest Retailer
-
$4,556 SGD
$3,564 USD
A
Retailer 2
-
$4,628 SGD
$3,620 USD
View
A
Retailer 3
-
$4,641 SGD
View
A
Retailer 4
-
$4,868 SGD
$3,808 USD
View
A
Retailer 5
-
$4,922 SGD
$3,850 USD
View
A
Retailer 6
-
$4,940 SGD
$3,864 USD
View
A
Retailer 7
-
$4,974 SGD
View
A
Retailer 8
-
$5,310 SGD
£3,271 GBP
View
B+
Retailer 9
-
$5,780 SGD
$4,521 USD
View
B+
Retailer 10
-
$5,832 SGD
$4,562 USD
View
B+
Retailer 11
-
$5,866 SGD
€4,370 EUR
View
B+
Retailer 12
-
$7,110 SGD
$5,562 USD
View
B
Retailer 13
-
$7,683 SGD
$6,010 USD
View
B+
Retailer 14
-
$8,165 SGD
$6,387 USD
View
Most Expensive
B
Wholesale Diamonds Direct
515662370 · Oct 27
$8,426 SGD
$6,591 USD
View
14 more retailers have this diamond
Prices start from $4,556 SGDSave up to $3,869 SGD

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
$4,556 SGD