Princess|Natural|GIA

1.51ct H SI1 Princess Natural Diamond

EX • H/SI1 • GIA 3565156631

Certificate GIA 3565156631

Diamond specifications and retailer prices

From $4,344 SGD
$3,398 USD
As of October 31, 2026
Save $3,719 SGD (46%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $8,062 SGD 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 $4,344 to $8,062, a $3,719 spread on the same certified stone. Wholesale Diamonds Direct lists it at $8,062. 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: $5,593 SGD|Low: $4,344 SGD|High: $8,449 SGD|Avg: $5,720 SGD|-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$4,344 SGD
Retailer 14$4,413 SGD
Retailer 2$4,425 SGD
Retailer 13$4,642 SGD
Retailer 11$4,705 SGD
Retailer 6$4,740 SGD
Retailer 8$4,862 SGD
Retailer 9$5,064 SGD
Retailer 15$5,420 SGD
Retailer 3$5,524 SGD
Retailer 4$5,587 SGD
Retailer 1$5,593 SGD
Retailer 7$6,326 SGD
Retailer 10$6,779 SGD
Retailer 16$7,325 SGD
Retailer 5$7,785 SGD
Wholesale Diamonds Direct$8,062 SGD

21 data points across 17 retailers

16 retailers$4,344 SGD to $8,062 SGD

A
Cheapest Retailer
-
$4,344 SGD
$3,398 USD
A
Retailer 2
-
$4,413 SGD
$3,452 USD
View
A
Retailer 3
-
$4,425 SGD
View
A
Retailer 4
-
$4,642 SGD
$3,631 USD
View
A
Retailer 5
-
$4,705 SGD
$3,680 USD
View
A
Retailer 6
-
$4,740 SGD
View
A
Retailer 7
-
$4,862 SGD
$3,803 USD
View
A
Retailer 8
-
$5,064 SGD
£3,119 GBP
View
A
Retailer 9
-
$5,420 SGD
$4,240 USD
View
A
Retailer 10
-
$5,524 SGD
$4,321 USD
View
A
Retailer 11
-
$5,587 SGD
$4,370 USD
View
A
Retailer 12
-
$5,593 SGD
€4,167 EUR
View
B+
Retailer 13
-
$6,779 SGD
$5,303 USD
View
B+
Retailer 14
-
$7,325 SGD
$5,730 USD
View
B+
Retailer 15
-
$7,785 SGD
$6,090 USD
View
Most Expensive
B
Wholesale Diamonds Direct
427169053 · Oct 26
$8,062 SGD
$6,307 USD
View
15 more retailers have this diamond
Prices start from $4,344 SGDSave up to $3,719 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
$4,344 SGD