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Marquise|Natural|GIA

1.51ct G SI2 Marquise Natural Diamond

EX • G/SI2 • GIA 7566212506

Certificate GIA 7566212506

Diamond specifications and retailer prices

From HK$45,634 HKD
₹553,920 INR
As of November 2, 2026
Save HK$55,361 HKD (55%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$100,995 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7566212506. Listed at 16 retailers as of October 30, 2026, with prices from HK$45,634 to HK$100,995, a HK$55,361 spread on the same certified stone. NZ Jewellers lists it at HK$100,995. 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 (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 7566212506
Dimensions11.42 × 6.02 × 3.79 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Feather, Twinning Wisp, Crystal, Needle, Indented Natural
Top View
11.42 mm6.02 mm1.51 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 7566212506
Side View
Table 59.0%CrownGirdle: THK-VTKPavilionCulet: 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: Nov 2
Current: HK$100,995 HKD|Low: HK$45,542 HKD|High: HK$105,969 HKD|Avg: HK$62,206 HKD|-4.7%
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
November 2, 2026
Retailer 2HK$45,634 HKD
Retailer 5HK$48,159 HKD
Retailer 15HK$52,490 HKD
Retailer 6HK$52,663 HKD
Retailer 16HK$53,534 HKD
Retailer 13HK$55,739 HKD
Retailer 11HK$56,460 HKD
Retailer 9HK$58,500 HKD
Retailer 3HK$58,846 HKD
Retailer 7HK$60,384 HKD
Retailer 14HK$61,317 HKD
Retailer 8HK$62,251 HKD
Retailer 10HK$62,332 HKD
Retailer 4HK$69,673 HKD
Retailer 12HK$84,161 HKD
NZ JewellersHK$100,995 HKD

23 data points across 16 retailers

16 retailersHK$45,634 HKD to HK$100,995 HKD

A
Cheapest Retailer
-
HK$45,634 HKD
₹553,920 INR
A
Retailer 2
-
HK$48,159 HKD
$6,138 USD
View
Final sale: no returns
Retailer 3
-
HK$52,490 HKD
$6,690 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
HK$52,663 HKD
$6,712 USD
View
A
Retailer 5
-
HK$53,534 HKD
$6,823 USD
View
Retailer 6
-
HK$55,739 HKD
$7,104 USD
View
Price last confirmed 8 days ago
A
Retailer 7
-
HK$56,460 HKD
£5,666 GBP
View
A
Retailer 8
-
HK$58,500 HKD
£5,871 GBP
View
A
Retailer 9
-
HK$58,846 HKD
$7,500 USD
View
A
Retailer 10
-
HK$60,384 HKD
$7,696 USD
View
B+
Retailer 11
-
HK$61,317 HKD
$7,815 USD
View
B+
Retailer 12
-
HK$62,251 HKD
$7,934 USD
View
A
Retailer 13
-
HK$62,332 HKD
€7,566 EUR
View
B+
Retailer 14
-
HK$69,673 HKD
$8,880 USD
View
B+
Retailer 15
-
HK$84,161 HKD
£8,446 GBP
View
Most Expensive
B
NZ Jewellers
24875a1d-6188-4197-9dc9-9e117889c7ac · Oct 30
HK$100,995 HKD
$12,872 USD
View
15 more retailers have this diamond
Prices start from HK$45,634 HKDSave up to HK$55,361 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 Marquise
HK$45,634 HKD