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Marquise|Natural|GIA

1.51ct G SI1 Marquise Natural Diamond

ID • G/SI1 • GIA 7558057424

Certificate GIA 7558057424

Diamond specifications and retailer prices

From HK$80,740 HKD
$10,291 USD
As of November 2, 2026
Save HK$53,805 HKD (40%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$134,545 HKD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural marquise diamond

This 1.51ct natural marquise 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 stated by the retailer rather than the lab and certified by GIA 7558057424. Listed at 9 retailers as of October 30, 2026, with prices from HK$80,740 to HK$134,545, a HK$53,805 spread on the same certified stone. NZ Jewellers lists it at HK$134,545. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 7558057424
Dimensions11.57 × 6.01 × 3.63 mm
L/W Ratio1.93
Girdle conditionFaceted
Culet sizeNone
Top View
11.57 mm6.01 mm1.51 ctG / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 7558057424
Side View
Table 58.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 60.4%

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: Nov 2
Current: HK$134,545 HKD|Low: HK$80,740 HKD|High: HK$139,441 HKD|Avg: HK$105,479 HKD|-3.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 8HK$80,740 HKD
Retailer 4HK$86,487 HKD
Retailer 7HK$90,018 HKD
Retailer 2HK$90,957 HKD
Retailer 9HK$91,778 HKD
Retailer 3HK$94,692 HKD
Retailer 6HK$118,600 HKD
Retailer 5HK$126,081 HKD
NZ JewellersHK$134,545 HKD

33 data points across 9 retailers

9 retailersHK$80,740 HKD to HK$134,545 HKD

B+
Cheapest Retailer
-
HK$80,740 HKD
$10,291 USD
B+
Retailer 2
-
HK$86,487 HKD
£8,680 GBP
View
B+
Retailer 3
-
HK$90,018 HKD
$11,473 USD
View
B+
Retailer 4
-
HK$90,957 HKD
£9,128 GBP
View
Retailer 5
-
HK$91,778 HKD
A$17,996 AUD
View
Price last confirmed 29 days ago
B+
Retailer 6
-
HK$94,692 HKD
€11,494 EUR
View
B
Retailer 7
-
HK$118,600 HKD
ZAR 244,196 ZAR
View
B
Retailer 8
-
HK$126,081 HKD
£12,653 GBP
View
Most Expensive
B
NZ Jewellers
74e0fd8e-56f3-488c-8aa1-41bcb4223ae2 · Oct 30
HK$134,545 HKD
$17,148 USD
View
8 more retailers have this diamond
Prices start from HK$80,740 HKDSave up to HK$53,805 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 Marquise
HK$80,740 HKD