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Marquise|Natural|GIA

1.51ct E SI2 Marquise Natural Diamond

ID • E/SI2 • GIA 6551704674

Certificate GIA 6551704674

Diamond specifications and retailer prices

From HK$53,666 HKD
£5,386 GBP
As of October 31, 2026
Save HK$49,654 HKD (48%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$103,320 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 E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6551704674. Listed at 8 retailers as of October 30, 2026, with prices from HK$53,666 to HK$103,320, a HK$49,654 spread on the same certified stone. NZ Jewellers lists it at HK$103,320. 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
E
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551704674
Dimensions10.50 × 5.91 × 3.95 mm
L/W Ratio1.78
Top View
10.50 mm5.91 mm1.51 ctE / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551704674
Side View
Table 61.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 66.8%

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$103,320 HKD|Low: HK$53,340 HKD|High: HK$104,560 HKD|Avg: HK$63,504 HKD|-1.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 2HK$53,666 HKD
Retailer 7HK$54,120 HKD
Retailer 8HK$54,998 HKD
Retailer 3HK$58,385 HKD
Retailer 5HK$61,777 HKD
Retailer 4HK$62,726 HKD
Retailer 6HK$86,558 HKD
NZ JewellersHK$103,320 HKD

37 data points across 8 retailers

8 retailersHK$53,666 HKD to HK$103,320 HKD

A
Cheapest Retailer
-
HK$53,666 HKD
£5,386 GBP
A
Retailer 2
-
HK$54,120 HKD
$6,898 USD
View
A
Retailer 3
-
HK$54,998 HKD
$7,010 USD
View
A
Retailer 4
-
HK$58,385 HKD
£5,860 GBP
View
A
Retailer 5
-
HK$61,777 HKD
$7,874 USD
View
A
Retailer 6
-
HK$62,726 HKD
$7,995 USD
View
B+
Retailer 7
-
HK$86,558 HKD
£8,687 GBP
View
Most Expensive
B+
NZ Jewellers
35a4231b-b749-454d-af27-01c6914e6792 · Oct 30
HK$103,320 HKD
$13,169 USD
View
7 more retailers have this diamond
Prices start from HK$53,666 HKDSave up to HK$49,654 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$53,666 HKD