Round|Natural|GIA

1.30ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 2245029391

Certificate GIA 2245029391

Diamond specifications and retailer prices

From HK$36,258 HKD
$4,621 USD
As of October 28, 2026
Save HK$31,434 HKD (46%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: HK$76,746 HKD at NZ Jewellers · As of September 26, 2026
View at NZ Jewellers

About this 1.3ct natural round diamond

This 1.3ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2245029391. Listed at 23 retailers as of October 26, 2026, with a 87% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.30
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle33°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2245029391
Dimensions7.02 × 7.05 × 4.24 mm
L/W Ratio1.00
Star length50%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal, Indented Natural, Needle
Top View
7.02 mm7.05 mm1.30 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2245029391
Side View
Table 61.0%Crown 33°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.2%

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 28
Current: HK$44,332 HKD|Low: HK$31,982 HKD|High: HK$69,157 HKD|Avg: HK$47,055 HKD|+21.0%
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
Retailer 17
October 29, 2026
Retailer 5HK$36,258 HKD
Retailer 17HK$38,377 HKD
Retailer 4HK$38,997 HKD
Retailer 8HK$39,154 HKD
Retailer 14HK$41,412 HKD
Retailer 9HK$41,504 HKD
Retailer 15HK$43,673 HKD
Retailer 1HK$44,332 HKD
Retailer 10HK$44,409 HKD
Retailer 2HK$45,961 HKD
Retailer 7HK$47,066 HKD
Retailer 16HK$48,522 HKD
Retailer 11HK$49,490 HKD
Retailer 6HK$50,617 HKD
Retailer 12HK$55,878 HKD
Retailer 3HK$67,143 HKD
Retailer 13HK$67,692 HKD

36 data points across 17 retailers

23 retailersHK$36,258 HKD to HK$67,692 HKD

A
Cheapest Retailer
-
HK$36,258 HKD
$4,621 USD
Retailer 2
-
HK$37,875 HKD
$4,827 USD
View
Price last confirmed 53 days ago
A
Retailer 3
-
HK$38,377 HKD
$4,891 USD
View
Final sale: no returns
A
Retailer 4
-
HK$38,997 HKD
$4,970 USD
View
B+
Retailer 5
-
HK$41,412 HKD
CA$7,330 CAD
View
Retailer 6
-
HK$41,570 HKD
$5,298 USD
View
Price last confirmed 22 days ago
Retailer 7
-
HK$41,570 HKD
$5,298 USD
View
Price last confirmed 18 days ago
Retailer 8
-
HK$41,570 HKD
$5,298 USD
View
Price last confirmed 30 days ago
B+
Retailer 9
-
HK$43,673 HKD
$5,566 USD
View
Retailer 10
-
HK$43,697 HKD
$5,569 USD
View
Price last confirmed 53 days ago
B+
Retailer 11
-
HK$44,332 HKD
£4,449 GBP
View
B+
Retailer 12
-
HK$44,409 HKD
£4,457 GBP
View
Retailer 13
-
HK$45,961 HKD
A$9,012 AUD
View
Price last confirmed 20 days ago
B+
Retailer 14
-
HK$47,066 HKD
$5,998 USD
View
Retailer 15
-
HK$47,965 HKD
$6,113 USD
View
Price last confirmed 21 days ago
B+
Retailer 16
-
HK$48,522 HKD
$6,184 USD
View
B+
Retailer 17
-
HK$49,490 HKD
€6,007 EUR
View
Retailer 18
-
HK$50,617 HKD
$6,451 USD
View
Price last confirmed 15 days ago
B+
Retailer 19
-
HK$55,878 HKD
ZAR 115,049 ZAR
View
Retailer 20
-
HK$65,980 HKD
$8,409 USD
View
Price last confirmed 59 days ago
B
Retailer 21
-
HK$67,143 HKD
$8,557 USD
View
B
Retailer 22
-
HK$67,692 HKD
£6,793 GBP
View
Most Expensive
NZ Jewellers
706707aa-8f58-4f49-90ae-9d7c16d30a3b · Sep 26
HK$76,746 HKD
$9,781 USD
View
Price last confirmed 33 days ago
22 more retailers have this diamond
Prices start from HK$36,258 HKDSave up to HK$31,434 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.

A
1.30ct Round
HK$36,258 HKD