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Round|Natural|GIA

1.51ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 6511363422

Certificate GIA 6511363422

Diamond specifications and retailer prices

From HK$44,250 HKD
$5,640 USD
As of November 1, 2026
Save HK$53,421 HKD (55%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$97,671 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6511363422. Listed at 16 retailers as of October 30, 2026, with prices from HK$44,250 to HK$97,671, a HK$53,421 spread on the same certified stone. NZ Jewellers lists it at HK$97,671. 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
FluorescenceMedium
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6511363422
Dimensions7.31 × 7.27 × 4.54 mm
L/W Ratio1.01
Top View
7.31 mm7.27 mm1.51 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6511363422
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.6°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$97,671 HKD|Low: HK$42,343 HKD|High: HK$97,671 HKD|Avg: HK$60,590 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
November 1, 2026
Retailer 7HK$44,250 HKD
Retailer 8HK$46,141 HKD
Retailer 9HK$48,824 HKD
Retailer 3HK$48,832 HKD
Retailer 11HK$52,904 HKD
Retailer 10HK$53,720 HKD
Retailer 6HK$54,688 HKD
Retailer 2HK$60,088 HKD
Retailer 12HK$61,040 HKD
Retailer 4HK$64,343 HKD
Retailer 5HK$81,386 HKD
NZ JewellersHK$97,671 HKD

37 data points across 12 retailers

16 retailersHK$44,250 HKD to HK$97,671 HKD

A
Cheapest Retailer
-
HK$44,250 HKD
$5,640 USD
A
Retailer 2
-
HK$44,846 HKD
$5,716 USD
View
A
Retailer 3
-
HK$46,141 HKD
$5,881 USD
View
B+
Retailer 4
-
HK$48,824 HKD
$6,223 USD
View
Final sale: no returns
A
Retailer 5
-
HK$48,832 HKD
$6,224 USD
View
B+
Retailer 6
-
HK$52,904 HKD
$6,743 USD
View
B+
Retailer 7
-
HK$53,720 HKD
$6,847 USD
View
B+
Retailer 8
-
HK$54,688 HKD
£5,489 GBP
View
B+
Retailer 9
-
HK$57,744 HKD
$7,360 USD
View
B+
Retailer 10
-
HK$57,744 HKD
$7,360 USD
View
B+
Retailer 11
-
HK$57,909 HKD
$7,381 USD
View
B+
Retailer 12
-
HK$59,706 HKD
$7,610 USD
View
B+
Retailer 13
-
HK$60,088 HKD
€7,294 EUR
View
B+
Retailer 14
-
HK$61,040 HKD
$7,780 USD
View
B
Retailer 15
-
HK$81,386 HKD
£8,168 GBP
View
Most Expensive
B
NZ Jewellers
674544cd-a763-4487-a622-a750ca9529cc · Oct 30
HK$97,671 HKD
$12,449 USD
View
15 more retailers have this diamond
Prices start from HK$44,250 HKDSave up to HK$53,421 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$44,250 HKD