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Round|Natural|GIA

1.51ct F IF Round Natural Diamond

EX • F/IF • GIA 2518112903

Certificate GIA 2518112903

Diamond specifications and retailer prices

From HK$64,417 HKD
As of November 4, 2026
Save HK$125,651 HKD (66%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$190,068 HKD at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 2518112903. Listed at 17 retailers as of November 4, 2026, with prices from HK$64,417 to HK$190,068, a HK$125,651 spread on the same certified stone. Diamond Quarter lists it at HK$190,068. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
F
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2518112903
Dimensions7.33 × 7.29 × 4.56 mm
L/W Ratio1.01
Top View
7.33 mm7.29 mm1.51 ctF / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2518112903
Side View
Table 56.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.4%

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: Nov 4
Current: HK$75,063 HKD|Low: HK$63,342 HKD|High: HK$116,344 HKD|Avg: HK$85,641 HKD|-5.3%
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
November 6, 2026
Retailer 2HK$64,417 HKD
Retailer 4HK$71,321 HKD
Retailer 11HK$71,501 HKD
Retailer 1HK$75,063 HKD
Retailer 10HK$76,255 HKD
Retailer 12HK$76,648 HKD
Retailer 13HK$79,566 HKD
Retailer 14HK$83,473 HKD
Retailer 6HK$83,693 HKD
Retailer 8HK$87,270 HKD
Retailer 5HK$96,316 HKD
Retailer 7HK$101,839 HKD
Retailer 9HK$108,727 HKD
Retailer 3HK$116,344 HKD

34 data points across 14 retailers

17 retailersHK$64,417 HKD to HK$190,068 HKD

A
Cheapest Retailer
-
HK$64,417 HKD
A
Retailer 2
-
HK$71,321 HKD
View
A
Retailer 3
-
HK$71,501 HKD
View
A
Retailer 4
-
HK$75,063 HKD
View
A
Retailer 5
-
HK$76,255 HKD
View
Retailer 6
-
HK$76,648 HKD
View
Price last confirmed 15 days ago
Retailer 7
-
HK$77,056 HKD
View
Price last confirmed 21 days ago
Retailer 8
-
HK$80,649 HKD
View
Price last confirmed 102 days ago
Retailer 9
-
HK$83,473 HKD
View
Price last confirmed 15 days ago
A
Retailer 10
-
HK$83,693 HKD
View
Retailer 11
-
HK$84,760 HKD
View
Price last confirmed 22 days ago
A
Retailer 12
-
HK$87,270 HKD
View
Retailer 13
-
HK$96,316 HKD
View
Price last confirmed 16 days ago
A
Retailer 14
-
HK$101,839 HKD
View
A
Retailer 15
-
HK$108,727 HKD
View
Retailer 16
-
HK$116,344 HKD
View
Price last confirmed 17 days ago
Most Expensive
B
Diamond Quarter
1.51IFF25038694N · Nov 5
HK$190,068 HKD
£19,077 GBP
View
16 more retailers have this diamond
Prices start from HK$64,417 HKDSave up to HK$125,651 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
1.51ct Round
HK$64,417 HKD