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Round|Natural|GIA

1.51ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 7521240383

Certificate GIA 7521240383

Diamond specifications and retailer prices

From HK$46,053 HKD
$5,870 USD
As of October 31, 2026
Save HK$47,296 HKD (51%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$98,416 HKD at NZ Jewellers · As of September 21, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7521240383. Listed at 15 retailers as of October 30, 2026, with a 103% 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7521240383
Dimensions7.30 × 7.26 × 4.57 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
7.30 mm7.26 mm1.51 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7521240383
Side View
Table 57.0%Crown 35.5°Girdle: Slightly ThickPavilion 41°Culet: NoneDepth 62.9%

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: Oct 31
Current: HK$93,348 HKD|Low: HK$46,053 HKD|High: HK$93,348 HKD|Avg: HK$60,551 HKD
NZ Jewellers
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
October 30, 2026
Retailer 4HK$46,053 HKD
Retailer 7HK$47,174 HKD
Retailer 12HK$48,282 HKD
Retailer 6HK$50,534 HKD
Retailer 9HK$51,993 HKD
Retailer 8HK$53,679 HKD
Retailer 13HK$53,853 HKD
Retailer 5HK$56,724 HKD
Retailer 11HK$56,724 HKD
Retailer 14HK$58,607 HKD
Retailer 2HK$60,986 HKD
Retailer 3HK$81,709 HKD
Retailer 10HK$82,672 HKD
NZ JewellersHK$93,348 HKD

38 data points across 14 retailers

15 retailersHK$46,053 HKD to HK$93,348 HKD

A
Cheapest Retailer
-
HK$46,053 HKD
$5,870 USD
A
Retailer 2
-
HK$47,174 HKD
CA$8,351 CAD
View
A
Retailer 3
-
HK$48,282 HKD
$6,154 USD
View
A
Retailer 4
-
HK$50,534 HKD
SGD 8,704 SGD
View
A
Retailer 5
-
HK$51,993 HKD
$6,627 USD
View
A
Retailer 6
-
HK$53,679 HKD
£5,387 GBP
View
A
Retailer 7
-
HK$53,853 HKD
$6,864 USD
View
B+
Retailer 8
-
HK$56,724 HKD
$7,230 USD
View
B+
Retailer 9
-
HK$56,724 HKD
$7,230 USD
View
B+
Retailer 10
-
HK$58,607 HKD
$7,470 USD
View
B+
Retailer 11
-
HK$60,986 HKD
€7,403 EUR
View
B
Retailer 12
-
HK$81,709 HKD
$10,414 USD
View
B
Retailer 13
-
HK$82,672 HKD
£8,297 GBP
View
B
Retailer 14
-
HK$93,348 HKD
$11,898 USD
View
Most Expensive
NZ Jewellers
2da3d894-812d-4f15-93a8-77e8c8b89583 · Sep 21
HK$98,416 HKD
$12,544 USD
View
Price last confirmed 39 days ago
14 more retailers have this diamond
Prices start from HK$46,053 HKDSave up to HK$47,296 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$46,053 HKD