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Round|Natural|GIA

1.51ct F I1 Round Natural Diamond

EX • F/I1 • GIA 1559183875

Certificate GIA 1559183875

Diamond specifications and retailer prices

From HK$42,974 HKD
$5,477 USD
As of November 2, 2026
Save HK$13,484 HKD (24%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$75,953 HKD at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

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 I1 clarity (included), with a top-tier cut grade and certified by GIA 1559183875. Listed at 8 retailers as of November 1, 2026, with a 31% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1559183875
Dimensions7.28 × 7.31 × 4.58 mm
L/W Ratio1.00
Culet sizeNone
Top View
7.28 mm7.31 mm1.51 ctF / I1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 1559183875
Side View
Table 56.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.6%

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: Nov 2
Current: HK$56,458 HKD|Low: HK$22,628 HKD|High: HK$75,953 HKD|Avg: HK$45,270 HKD|+7.4%
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
Wholesale Diamonds Direct
November 1, 2026
Retailer 10HK$22,628 HKD
Retailer 5HK$27,430 HKD
Retailer 6HK$27,697 HKD
Retailer 2HK$35,707 HKD
Retailer 3HK$40,431 HKD
Retailer 8HK$42,974 HKD
Retailer 7HK$44,880 HKD
Retailer 11HK$47,312 HKD
Retailer 4HK$47,696 HKD
Retailer 9HK$50,058 HKD
Retailer 12HK$52,883 HKD
Retailer 14HK$52,883 HKD
Retailer 13HK$54,687 HKD
Retailer 1HK$56,458 HKD
Wholesale Diamonds DirectHK$75,953 HKD

12 data points across 15 retailers

8 retailersHK$42,974 HKD to HK$56,458 HKD

B+
Cheapest Retailer
-
HK$42,974 HKD
$5,477 USD
B+
Retailer 2
-
HK$44,880 HKD
$5,720 USD
View
B+
Retailer 3
-
HK$50,058 HKD
$6,380 USD
View
B
Retailer 4
-
HK$52,883 HKD
$6,740 USD
View
B
Retailer 5
-
HK$52,883 HKD
$6,740 USD
View
B
Retailer 6
-
HK$54,687 HKD
$6,970 USD
View
B
Retailer 7
-
HK$56,458 HKD
€6,853 EUR
View
Most Expensive
Wholesale Diamonds Direct
493092807 · Oct 26
HK$75,953 HKD
$9,680 USD
View
Price last confirmed 7 days ago
7 more retailers have this diamond
Prices start from HK$42,974 HKDSave up to HK$13,484 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+
1.51ct Round
HK$42,974 HKD