CaratHunter
Plans
Round|Natural|GIA

1.51ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 1538258148

Certificate GIA 1538258148

Diamond specifications and retailer prices

From HK$35,552 HKD
As of November 1, 2026
Save HK$39,580 HKD (53%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$77,598 HKD at NZ Jewellers · As of October 17, 2026
View at NZ Jewellers

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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1538258148. Listed at 21 retailers as of October 28, 2026, with a 111% 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

1.51
Carat
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 1538258148
Dimensions7.35 × 7.29 × 4.59 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather, Needle
Top View
7.35 mm7.29 mm1.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1538258148
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.7%

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$37,782 HKD|Low: HK$35,251 HKD|High: HK$75,432 HKD|Avg: HK$49,857 HKD|-0.1%
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
November 2, 2026
Retailer 10HK$35,552 HKD
Retailer 1HK$37,782 HKD
Retailer 13HK$40,509 HKD
Retailer 2HK$40,753 HKD
Retailer 11HK$41,624 HKD
Retailer 5HK$42,824 HKD
Retailer 7HK$44,959 HKD
Retailer 3HK$45,743 HKD
Retailer 4HK$47,616 HKD
Retailer 6HK$49,254 HKD
Retailer 8HK$50,468 HKD
Retailer 9HK$68,347 HKD
Retailer 12HK$75,133 HKD

30 data points across 13 retailers

21 retailersHK$35,552 HKD to HK$75,133 HKD

A
Cheapest Retailer
-
HK$35,552 HKD
A
Retailer 2
-
HK$37,782 HKD
₹458,610 INR
View
A
Retailer 3
-
HK$40,509 HKD
SGD 6,977 SGD
View
A
Retailer 4
-
HK$40,753 HKD
$5,194 USD
View
A
Retailer 5
-
HK$41,624 HKD
$5,305 USD
View
Retailer 6
-
HK$42,032 HKD
$5,357 USD
View
Price last confirmed 17 days ago
Retailer 7
-
HK$42,032 HKD
$5,357 USD
View
Price last confirmed 35 days ago
Retailer 8
-
HK$42,032 HKD
$5,357 USD
View
Price last confirmed 34 days ago
A
Retailer 9
-
HK$42,824 HKD
$5,458 USD
View
Final sale: no returns
A
Retailer 10
-
HK$43,224 HKD
$5,509 USD
View
A
Retailer 11
-
HK$44,959 HKD
£4,512 GBP
View
A
Retailer 12
-
HK$45,743 HKD
$5,830 USD
View
A
Retailer 13
-
HK$47,616 HKD
$6,069 USD
View
Retailer 14
-
HK$48,497 HKD
$6,181 USD
View
Price last confirmed 34 days ago
A
Retailer 15
-
HK$49,254 HKD
£4,943 GBP
View
A
Retailer 16
-
HK$50,468 HKD
€6,126 EUR
View
Retailer 17
-
HK$51,164 HKD
$6,521 USD
View
Price last confirmed 10 days ago
B+
Retailer 18
-
HK$68,347 HKD
£6,859 GBP
View
B+
Retailer 19
-
HK$75,133 HKD
£7,540 GBP
View
Retailer 20
-
HK$77,598 HKD
$9,890 USD
View
Price last confirmed 35 days ago
Most Expensive
NZ Jewellers
f4f1a7a0-c163-4cbe-a534-8e0fa0e569e3 · Oct 17
HK$77,598 HKD
$9,890 USD
View
Price last confirmed 16 days ago
20 more retailers have this diamond
Prices start from HK$35,552 HKDSave up to HK$39,580 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$35,552 HKD