Princess|Natural|GIA

1.21ct E SI1 Princess Natural Diamond

EX • E/SI1 • GIA 5241037151

Certificate GIA 5241037151

Diamond specifications and retailer prices

From $1,638 USD
HK$12,800 HKD
As of October 27, 2026
Save $3,074 USD (65%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,712 USD at NZ Jewellers · As of October 24, 2026
View at NZ Jewellers

About this 1.21ct natural princess diamond

This 1.21ct natural princess sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5241037151. Listed at 11 retailers as of October 24, 2026, with prices from $1,638 to $4,712, a $3,074 spread on the same certified stone. NZ Jewellers lists it at $4,712. 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

1.21
Carat
E
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Pavilion angle55.65°
OriginNatural
Grading LabGIA
CertificateGIA 5241037151
Dimensions5.99 × 5.98 × 4.33 mm
L/W Ratio1.00
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
5.99 mm5.98 mm1.21 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5241037151
Side View
Table 76.0%CrownGirdle: Slightly ThickPavilion 55.65°Culet: NoneDepth 72.4%

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: Oct 27
Current: $2,044 USD|Low: $1,638 USD|High: $3,997 USD|Avg: $2,567 USD|+1.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 26, 2026
Retailer 5$1,638 USD
Retailer 1$2,044 USD
Retailer 4$2,100 USD
Retailer 7$2,305 USD
Retailer 8$2,352 USD
Retailer 3$2,878 USD
Retailer 6$3,434 USD
Retailer 2$3,955 USD

36 data points across 8 retailers

11 retailers$1,638 USD to $4,712 USD

A
Cheapest Retailer
-
$1,638 USD
HK$12,800 HKD
Retailer 2
-
$2,044 USD
€1,947 EUR
View
Price last confirmed 4 days ago
A
Retailer 3
-
$2,100 USD
View
A
Retailer 4
-
$2,254 USD
View
A
Retailer 5
-
$2,305 USD
SGD 3,115 SGD
View
A
Retailer 6
-
$2,352 USD
A$3,618 AUD
View
A
Retailer 7
-
$2,358 USD
View
B+
Retailer 8
-
$2,878 USD
€2,741 EUR
View
B
Retailer 9
-
$3,434 USD
€3,270 EUR
View
B+
Retailer 10
-
$3,955 USD
£3,114 GBP
View
Most Expensive
B
NZ Jewellers
00bdecad-ab76-4164-9369-abfc656bff54 · Oct 24
$4,712 USD
View
10 more retailers have this diamond
Prices start from $1,638 USDSave up to $3,074 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
1.21ct Princess
$1,638 USD