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Round|Natural|GIA

1.51ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 2527748242

Certificate GIA 2527748242

Diamond specifications and retailer prices

From HK$54,799 HKD
As of November 5, 2026
Save HK$45,747 HKD (45%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$116,856 HKD at NZ Jewellers · As of September 28, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2527748242. Listed at 20 retailers as of November 4, 2026, with a 83% 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
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2527748242
Dimensions7.23 × 7.30 × 4.57 mm
L/W Ratio1.01
Star length50%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Knot, Needle
Top View
7.23 mm7.30 mm1.51 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2527748242
Side View
Table 58.0%Crown 36°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 62.8%

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 5
Current: HK$67,049 HKD|Low: HK$54,799 HKD|High: HK$101,902 HKD|Avg: HK$69,087 HKD
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
Retailer 15
Retailer 16
Retailer 17
November 6, 2026
Retailer 2HK$54,799 HKD
Retailer 5HK$56,641 HKD
Retailer 14HK$57,472 HKD
Retailer 3HK$58,185 HKD
Retailer 17HK$60,309 HKD
Retailer 6HK$60,489 HKD
Retailer 4HK$64,455 HKD
Retailer 8HK$64,494 HKD
Retailer 10HK$65,975 HKD
Retailer 7HK$66,924 HKD
Retailer 9HK$67,010 HKD
Retailer 1HK$67,049 HKD
Retailer 16HK$68,115 HKD
Retailer 15HK$73,225 HKD
Retailer 12HK$77,292 HKD
Retailer 11HK$88,257 HKD
Retailer 13HK$100,546 HKD

31 data points across 17 retailers

20 retailersHK$54,799 HKD to HK$100,546 HKD

A
Cheapest Retailer
-
HK$54,799 HKD
B+
Retailer 2
-
HK$56,421 HKD
View
B+
Retailer 3
-
HK$56,641 HKD
View
B+
Retailer 4
-
HK$57,472 HKD
View
B+
Retailer 5
-
HK$58,185 HKD
View
B+
Retailer 6
-
HK$60,309 HKD
View
B+
Retailer 7
-
HK$60,489 HKD
View
Final sale: no returns
B+
Retailer 8
-
HK$64,455 HKD
View
B+
Retailer 9
-
HK$65,975 HKD
View
Retailer 10
-
HK$66,924 HKD
View
Price last confirmed 22 days ago
B+
Retailer 11
-
HK$67,049 HKD
View
Retailer 12
-
HK$68,115 HKD
View
Price last confirmed 15 days ago
Retailer 13
-
HK$69,863 HKD
View
Price last confirmed 29 days ago
Retailer 14
-
HK$70,944 HKD
View
Price last confirmed 38 days ago
B+
Retailer 15
-
HK$73,225 HKD
View
B+
Retailer 16
-
HK$77,292 HKD
View
Retailer 17
-
HK$80,615 HKD
View
Price last confirmed 38 days ago
B
Retailer 18
-
HK$88,257 HKD
View
B
Retailer 19
-
HK$100,546 HKD
View
Most Expensive
NZ Jewellers
be9c3285-1c73-4813-8bc1-fe060c57aea2 · Sep 28
HK$116,856 HKD
$14,910 USD
View
Price last confirmed 39 days ago
19 more retailers have this diamond
Prices start from HK$54,799 HKDSave up to HK$45,747 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$54,799 HKD