Round|Natural|GIA

1.51ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 1567314878

Certificate GIA 1567314878

Diamond specifications and retailer prices

From HK$56,097 HKD
$7,150 USD
As of October 31, 2026
Save HK$72,604 HKD (56%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$128,701 HKD at NZ Jewellers · As of October 30, 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 1567314878. Listed at 19 retailers as of October 30, 2026, with prices from HK$56,097 to HK$128,701, a HK$72,604 spread on the same certified stone. NZ Jewellers lists it at HK$128,701. 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 angle35°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1567314878
Dimensions7.33 × 7.37 × 4.55 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather, Needle
Top View
7.33 mm7.37 mm1.51 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1567314878
Side View
Table 59.0%Crown 35°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.9%

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: Oct 31
Current: HK$128,701 HKD|Low: HK$56,097 HKD|High: HK$128,701 HKD|Avg: HK$75,772 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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 2, 2026
Retailer 6HK$56,097 HKD
Retailer 8HK$56,338 HKD
Retailer 16HK$57,391 HKD
Retailer 9HK$59,698 HKD
Retailer 5HK$60,247 HKD
Retailer 3HK$64,021 HKD
Retailer 18HK$64,350 HKD
Retailer 4HK$69,709 HKD
Retailer 11HK$70,783 HKD
Retailer 17HK$70,784 HKD
Retailer 15HK$71,103 HKD
Retailer 2HK$77,017 HKD
Retailer 7HK$80,434 HKD
Retailer 13HK$81,699 HKD
Retailer 10HK$84,718 HKD
Retailer 14HK$94,534 HKD
Retailer 12HK$107,243 HKD
NZ JewellersHK$128,701 HKD

26 data points across 18 retailers

19 retailersHK$56,097 HKD to HK$128,701 HKD

B+
Cheapest Retailer
-
HK$56,097 HKD
$7,150 USD
B+
Retailer 2
-
HK$56,338 HKD
View
B+
Retailer 3
-
HK$57,391 HKD
$7,315 USD
View
B+
Retailer 4
-
HK$58,133 HKD
A$11,399 AUD
View
B+
Retailer 5
-
HK$59,698 HKD
$7,609 USD
View
Final sale: no returns
B+
Retailer 6
-
HK$60,247 HKD
$7,679 USD
View
B+
Retailer 7
-
HK$64,021 HKD
$8,160 USD
View
B+
Retailer 8
-
HK$64,350 HKD
$8,202 USD
View
B+
Retailer 9
-
HK$69,709 HKD
$8,885 USD
View
B+
Retailer 10
-
HK$70,783 HKD
£7,104 GBP
View
B
Retailer 11
-
HK$70,784 HKD
$9,022 USD
View
Retailer 12
-
HK$71,103 HKD
A$13,943 AUD
View
Price last confirmed 9 days ago
B+
Retailer 13
-
HK$77,017 HKD
€9,349 EUR
View
B
Retailer 14
-
HK$80,434 HKD
$10,252 USD
View
B+
Retailer 15
-
HK$81,699 HKD
£8,199 GBP
View
Retailer 16
-
HK$84,718 HKD
$10,798 USD
View
Price last confirmed 19 days ago
B
Retailer 17
-
HK$94,534 HKD
ZAR 194,655 ZAR
View
B
Retailer 18
-
HK$107,243 HKD
£10,763 GBP
View
Most Expensive
B
NZ Jewellers
a883de12-2672-4f63-9446-a9a4284d9292 · Oct 30
HK$128,701 HKD
$16,404 USD
View
18 more retailers have this diamond
Prices start from HK$56,097 HKDSave up to HK$72,604 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$56,097 HKD