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Marquise|Natural|GIA

1.51ct I SI1 Marquise Natural Diamond

EX • I/SI1 • GIA 7561213708

Certificate GIA 7561213708

Diamond specifications and retailer prices

From HK$47,645 HKD
SGD 8,206 SGD
As of October 31, 2026
Save HK$43,582 HKD (48%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$91,227 HKD at With Clarity · As of October 30, 2026
View at With Clarity

About this 1.51ct natural marquise diamond

This 1.51ct natural marquise sits in the one-and-a-half to two carat band, graded I 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 7561213708. Listed at 13 retailers as of October 30, 2026, with prices from HK$47,645 to HK$91,227, a HK$43,582 spread on the same certified stone. With Clarity lists it at HK$91,227. 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
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.73°
Pavilion angle39.89°
OriginNatural
Grading LabGIA
CertificateGIA 7561213708
Dimensions12.20 × 5.81 × 3.55 mm
L/W Ratio2.10
Culet sizeNone
Top View
12.20 mm5.81 mm1.51 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7561213708
Side View
Table 60.0%Crown 37.73°Girdle: THN-THKPavilion 39.89°Culet: NoneDepth 61.0%

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$75,040 HKD|Low: HK$47,645 HKD|High: HK$96,436 HKD|Avg: HK$65,556 HKD|-8.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
With Clarity
October 30, 2026
Retailer 11HK$47,645 HKD
Retailer 10HK$52,929 HKD
Retailer 4HK$54,020 HKD
Retailer 9HK$55,197 HKD
Retailer 7HK$56,013 HKD
Retailer 8HK$56,782 HKD
Retailer 5HK$58,870 HKD
Retailer 2HK$65,940 HKD
Retailer 12HK$66,472 HKD
Retailer 3HK$67,207 HKD
Retailer 6HK$67,431 HKD
Retailer 1HK$75,040 HKD
With ClarityHK$91,227 HKD

27 data points across 13 retailers

13 retailersHK$47,645 HKD to HK$91,227 HKD

A
Cheapest Retailer
-
HK$47,645 HKD
SGD 8,206 SGD
B+
Retailer 2
-
HK$52,929 HKD
SGD 9,116 SGD
View
A
Retailer 3
-
HK$54,020 HKD
$6,885 USD
View
A
Retailer 4
-
HK$55,197 HKD
$7,035 USD
View
B+
Retailer 5
-
HK$56,013 HKD
$7,139 USD
View
B+
Retailer 6
-
HK$56,782 HKD
$7,237 USD
View
B+
Retailer 7
-
HK$58,870 HKD
£5,908 GBP
View
B+
Retailer 8
-
HK$65,940 HKD
$8,404 USD
View
B+
Retailer 9
-
HK$66,472 HKD
$8,472 USD
View
Retailer 10
-
HK$67,207 HKD
$8,566 USD
View
Price last confirmed 7 days ago
B+
Retailer 11
-
HK$67,431 HKD
€8,185 EUR
View
B+
Retailer 12
-
HK$75,040 HKD
$9,564 USD
View
Most Expensive
B
With Clarity
7561213708 · Oct 30
HK$91,227 HKD
$11,627 USD
View
12 more retailers have this diamond
Prices start from HK$47,645 HKDSave up to HK$43,582 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$47,645 HKD