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Round|Natural|GIA

1.20ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 2507071877

Certificate GIA 2507071877

Diamond specifications and retailer prices

From HK$26,909 HKD
As of November 1, 2026
Save HK$26,838 HKD (50%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$58,800 HKD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.2ct natural round diamond

This 1.2ct natural round sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2507071877. Listed at 17 retailers as of November 1, 2026, with a 100% 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

1.20
Carat
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceMedium
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2507071877
Dimensions6.82 × 6.77 × 4.22 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
6.82 mm6.77 mm1.20 ctE / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2507071877
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.1%

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: Nov 1
Current: HK$58,800 HKD|Low: HK$26,909 HKD|High: HK$58,800 HKD|Avg: HK$36,175 HKD
NZ Jewellers
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
November 6, 2026
Retailer 6HK$26,909 HKD
Retailer 13HK$27,458 HKD
Retailer 7HK$27,537 HKD
Retailer 2HK$29,623 HKD
Retailer 4HK$30,573 HKD
Retailer 5HK$30,573 HKD
Retailer 14HK$30,879 HKD
Retailer 15HK$31,750 HKD
Retailer 16HK$32,063 HKD
Retailer 11HK$34,025 HKD
Retailer 9HK$35,280 HKD
Retailer 17HK$35,625 HKD
Retailer 10HK$36,213 HKD
Retailer 8HK$38,190 HKD
Retailer 3HK$49,291 HKD
Retailer 12HK$53,747 HKD
NZ JewellersHK$58,800 HKD

35 data points across 17 retailers

17 retailersHK$26,909 HKD to HK$53,747 HKD

A
Cheapest Retailer
-
HK$26,909 HKD
A
Retailer 2
-
HK$27,458 HKD
View
A
Retailer 3
-
HK$27,537 HKD
View
B+
Retailer 4
-
HK$29,623 HKD
View
B+
Retailer 5
-
HK$30,573 HKD
View
Retailer 6
-
HK$30,573 HKD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
HK$30,879 HKD
View
Retailer 8
-
HK$31,750 HKD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
HK$32,063 HKD
View
B+
Retailer 10
-
HK$34,025 HKD
View
B+
Retailer 11
-
HK$35,280 HKD
View
B+
Retailer 12
-
HK$35,625 HKD
View
B+
Retailer 13
-
HK$36,213 HKD
View
Retailer 14
-
HK$38,190 HKD
View
Price last confirmed 14 days ago
B
Retailer 15
-
HK$49,291 HKD
View
B
Retailer 16
-
HK$53,747 HKD
View
Most Expensive
B
NZ Jewellers
1060eb82-9990-42f9-97a0-fa67a846bcfc · Oct 30
HK$58,800 HKD
$7,495 USD
View
Price last confirmed 7 days ago
16 more retailers have this diamond
Prices start from HK$26,909 HKDSave up to HK$26,838 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
1.20ct Round
HK$26,909 HKD