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Marquise|Natural|GIA

1.51ct D SI1 Marquise Natural Diamond

EX • D/SI1 • GIA 7553357466

Certificate GIA 7553357466

Diamond specifications and retailer prices

From HK$79,791 HKD
$10,170 USD
As of November 1, 2026
Save HK$63,636 HKD (44%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: HK$143,427 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7553357466. Listed at 26 retailers as of October 30, 2026, with prices from HK$79,791 to HK$143,427, a HK$63,636 spread on the same certified stone. NZ Jewellers lists it at HK$143,427. 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
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7553357466
Dimensions11.87 × 6.01 × 3.45 mm
L/W Ratio1.98
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cavity, Needle
Top View
11.87 mm6.01 mm1.51 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7553357466
Side View
Table 60.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 57.4%

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$143,427 HKD|Low: HK$79,791 HKD|High: HK$143,427 HKD|Avg: HK$100,372 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
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
Retailer 25
November 2, 2026
Retailer 6HK$79,791 HKD
Retailer 11HK$79,846 HKD
Retailer 22HK$80,840 HKD
Retailer 7HK$82,136 HKD
Retailer 2HK$82,342 HKD
Retailer 24HK$84,930 HKD
Retailer 12HK$86,052 HKD
Retailer 3HK$86,059 HKD
Retailer 9HK$91,818 HKD
Retailer 19HK$93,038 HKD
Retailer 5HK$93,230 HKD
Retailer 23HK$93,546 HKD
Retailer 25HK$94,666 HKD
Retailer 16HK$95,051 HKD
Retailer 17HK$96,949 HKD
Retailer 4HK$100,347 HKD
Retailer 15HK$100,347 HKD
Retailer 14HK$102,476 HKD
Retailer 13HK$103,609 HKD
Retailer 8HK$103,720 HKD
Retailer 18HK$104,917 HKD
Retailer 10HK$107,572 HKD
Retailer 21HK$126,429 HKD
Retailer 20HK$134,405 HKD
NZ JewellersHK$143,427 HKD

36 data points across 25 retailers

26 retailersHK$79,791 HKD to HK$143,427 HKD

A
Cheapest Retailer
-
HK$79,791 HKD
$10,170 USD
A
Retailer 2
-
HK$79,846 HKD
$10,177 USD
View
A
Retailer 3
-
HK$80,840 HKD
A$15,852 AUD
View
B+
Retailer 4
-
HK$82,136 HKD
$10,469 USD
View
A
Retailer 5
-
HK$82,342 HKD
$10,495 USD
View
B+
Retailer 6
-
HK$84,930 HKD
$10,825 USD
View
B+
Retailer 7
-
HK$86,052 HKD
$10,968 USD
View
Final sale: no returns
B+
Retailer 8
-
HK$86,059 HKD
$10,969 USD
View
B+
Retailer 9
-
HK$91,818 HKD
$11,703 USD
View
B+
Retailer 10
-
HK$93,038 HKD
£9,337 GBP
View
B+
Retailer 11
-
HK$93,230 HKD
$11,883 USD
View
Retailer 12
-
HK$93,546 HKD
A$18,343 AUD
View
Price last confirmed 9 days ago
B+
Retailer 13
-
HK$94,666 HKD
$12,066 USD
View
B+
Retailer 14
-
HK$95,051 HKD
$12,115 USD
View
Retailer 15
-
HK$96,949 HKD
$12,357 USD
View
Price last confirmed 10 days ago
B
Retailer 16
-
HK$100,347 HKD
$12,790 USD
View
B
Retailer 17
-
HK$100,347 HKD
$12,790 USD
View
B
Retailer 18
-
HK$102,476 HKD
$13,061 USD
View
B+
Retailer 19
-
HK$103,609 HKD
€12,577 EUR
View
B
Retailer 20
-
HK$103,720 HKD
$13,220 USD
View
B+
Retailer 21
-
HK$104,917 HKD
$13,373 USD
View
B+
Retailer 22
-
HK$107,572 HKD
$13,711 USD
View
Retailer 23
-
HK$109,785 HKD
$13,993 USD
View
Price last confirmed 52 days ago
B
Retailer 24
-
HK$126,429 HKD
ZAR 260,329 ZAR
View
B
Retailer 25
-
HK$134,405 HKD
£13,489 GBP
View
Most Expensive
B
NZ Jewellers
90d1e83d-884f-47a5-b97e-aee151af1695 · Oct 30
HK$143,427 HKD
$18,281 USD
View
25 more retailers have this diamond
Prices start from HK$79,791 HKDSave up to HK$63,636 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$79,791 HKD