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Princess|Natural|GIA

1.21ct E SI1 Princess Natural Diamond

EX • E/SI1 • GIA 2245097251

Certificate GIA 2245097251

Diamond specifications and retailer prices

From HK$21,239 HKD
$2,707 USD
As of October 31, 2026
Save HK$19,143 HKD (47%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$40,382 HKD at Helzberg Diamonds · As of October 30, 2026
View at Helzberg Diamonds

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 2245097251. Listed at 15 retailers as of October 30, 2026, with prices from HK$21,239 to HK$40,382, a HK$19,143 spread on the same certified stone. Helzberg Diamonds lists it at HK$40,382. 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
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle25.79°
Pavilion angle39.27°
OriginNatural
Grading LabGIA
CertificateGIA 2245097251
Dimensions5.84 × 5.80 × 4.22 mm
L/W Ratio1.01
Culet sizeNone
Top View
5.84 mm5.80 mm1.21 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2245097251
Side View
Table 72.0%Crown 25.79°Girdle: MED-STKPavilion 39.27°Culet: NDepth 72.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: HK$40,382 HKD|Low: HK$21,239 HKD|High: HK$40,382 HKD|Avg: HK$28,229 HKD
Helzberg Diamonds
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
October 31, 2026
Retailer 12HK$21,239 HKD
Retailer 2HK$21,780 HKD
Retailer 6HK$22,894 HKD
Retailer 11HK$22,957 HKD
Retailer 10HK$23,263 HKD
Retailer 8HK$24,838 HKD
Retailer 5HK$25,580 HKD
Retailer 14HK$27,334 HKD
Retailer 4HK$28,034 HKD
Retailer 9HK$28,413 HKD
Retailer 7HK$33,148 HKD
Retailer 13HK$35,816 HKD
Retailer 3HK$38,617 HKD
Helzberg DiamondsHK$40,382 HKD

15 data points across 14 retailers

15 retailersHK$21,239 HKD to HK$40,382 HKD

B+
Cheapest Retailer
-
HK$21,239 HKD
$2,707 USD
B+
Retailer 2
-
HK$21,638 HKD
SGD 3,727 SGD
View
B+
Retailer 3
-
HK$21,780 HKD
$2,776 USD
View
B+
Retailer 4
-
HK$22,894 HKD
$2,918 USD
View
B+
Retailer 5
-
HK$22,957 HKD
$2,926 USD
View
B+
Retailer 6
-
HK$23,263 HKD
$2,965 USD
View
B+
Retailer 7
-
HK$24,838 HKD
£2,493 GBP
View
B+
Retailer 8
-
HK$25,580 HKD
SGD 4,406 SGD
View
B+
Retailer 9
-
HK$27,334 HKD
$3,484 USD
View
B+
Retailer 10
-
HK$28,034 HKD
$3,573 USD
View
B+
Retailer 11
-
HK$28,413 HKD
€3,449 EUR
View
B
Retailer 12
-
HK$33,148 HKD
$4,225 USD
View
B
Retailer 13
-
HK$35,816 HKD
$4,565 USD
View
B
Retailer 14
-
HK$38,617 HKD
$4,922 USD
View
Most Expensive
B
Helzberg Diamonds
XZRIIKLGPNILH · Oct 30
HK$40,382 HKD
$5,147 USD
View
14 more retailers have this diamond
Prices start from HK$21,239 HKDSave up to HK$19,143 HKD

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.

B+
1.21ct Princess
HK$21,239 HKD