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Round|Natural|GIA

1.51ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 2557742093

Certificate GIA 2557742093

Diamond specifications and retailer prices

From HK$32,036 HKD
As of November 1, 2026
Save HK$40,054 HKD (56%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$72,090 HKD at Queensmith · As of October 28, 2026
View at Queensmith

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2557742093. Listed at 19 retailers as of October 28, 2026, with prices from HK$32,036 to HK$72,090, a HK$40,054 spread on the same certified stone. Queensmith lists it at HK$72,090. 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
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2557742093
Dimensions7.28 × 7.34 × 4.57 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather
Top View
7.28 mm7.34 mm1.51 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557742093
Side View
Table 59.0%Crown 35°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.5%

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$72,090 HKD|Low: HK$32,036 HKD|High: HK$72,339 HKD|Avg: HK$48,406 HKD|+2.0%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 6HK$32,036 HKD
Retailer 2HK$34,022 HKD
Retailer 7HK$37,430 HKD
Retailer 8HK$39,385 HKD
Retailer 5HK$41,362 HKD
Retailer 4HK$48,085 HKD
Retailer 3HK$67,965 HKD
QueensmithHK$72,090 HKD

35 data points across 8 retailers

19 retailersHK$32,036 HKD to HK$72,090 HKD

A
Cheapest Retailer
-
HK$32,036 HKD
A
Retailer 2
-
HK$34,022 HKD
₹412,987 INR
View
A
Retailer 3
-
HK$37,430 HKD
SGD 6,447 SGD
View
A
Retailer 4
-
HK$38,915 HKD
$4,960 USD
View
A
Retailer 5
-
HK$39,385 HKD
$5,020 USD
View
Final sale: no returns
A
Retailer 6
-
HK$40,681 HKD
SGD 7,007 SGD
View
A
Retailer 7
-
HK$40,889 HKD
A$8,018 AUD
View
A
Retailer 8
-
HK$41,362 HKD
£4,151 GBP
View
B+
Retailer 9
-
HK$42,210 HKD
$5,380 USD
View
Retailer 10
-
HK$42,673 HKD
$5,439 USD
View
Price last confirmed 25 days ago
Retailer 11
-
HK$42,673 HKD
$5,439 USD
View
Price last confirmed 25 days ago
Retailer 12
-
HK$42,673 HKD
$5,439 USD
View
Price last confirmed 34 days ago
Retailer 13
-
HK$42,673 HKD
$5,439 USD
View
Price last confirmed 33 days ago
B+
Retailer 14
-
HK$43,877 HKD
$5,592 USD
View
B+
Retailer 15
-
HK$48,085 HKD
€5,837 EUR
View
Retailer 16
-
HK$49,232 HKD
$6,275 USD
View
Price last confirmed 33 days ago
B
Retailer 17
-
HK$67,965 HKD
£6,821 GBP
View
Retailer 18
-
HK$71,372 HKD
$9,097 USD
View
Price last confirmed 35 days ago
Most Expensive
B
Queensmith
2557742093 · Oct 28
HK$72,090 HKD
£7,235 GBP
View
18 more retailers have this diamond
Prices start from HK$32,036 HKDSave up to HK$40,054 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$32,036 HKD