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Marquise|Natural|GIA

1.51ct E SI1 Marquise Natural Diamond

EX • E/SI1 • GIA 2548810416

Certificate GIA 2548810416

Diamond specifications and retailer prices

From HK$66,466 HKD
SGD 11,449 SGD
As of October 28, 2026
Save HK$52,662 HKD (44%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$119,128 HKD at With Clarity · As of October 29, 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 E 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 2548810416. Listed at 16 retailers as of October 28, 2026, with prices from HK$66,466 to HK$119,128, a HK$52,662 spread on the same certified stone. With Clarity lists it at HK$119,128. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.57°
Pavilion angle38.28°
OriginNatural
Grading LabGIA
CertificateGIA 2548810416
Dimensions11.35 × 6.00 × 3.75 mm
L/W Ratio1.89
Top View
11.35 mm6.00 mm1.51 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2548810416
Side View
Table 57.0%Crown 39.57°Girdle: STK-THKPavilion 38.28°Culet: NoneDepth 62.5%

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 28
Current: HK$73,993 HKD|Low: HK$66,466 HKD|High: HK$121,552 HKD|Avg: HK$84,670 HKD|-8.1%
Retailer 1
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
With Clarity
October 29, 2026
Retailer 10HK$66,466 HKD
Retailer 11HK$69,782 HKD
Retailer 6HK$71,853 HKD
Retailer 13HK$71,952 HKD
Retailer 9HK$73,145 HKD
Retailer 14HK$73,485 HKD
Retailer 1HK$73,993 HKD
Retailer 12HK$74,372 HKD
Retailer 8HK$84,902 HKD
Retailer 3HK$85,028 HKD
Retailer 2HK$85,849 HKD
Retailer 5HK$87,866 HKD
Retailer 7HK$97,985 HKD
Retailer 4HK$104,465 HKD
With ClarityHK$119,128 HKD

31 data points across 15 retailers

16 retailersHK$66,466 HKD to HK$119,128 HKD

A
Cheapest Retailer
-
HK$66,466 HKD
SGD 11,449 SGD
A
Retailer 2
-
HK$69,782 HKD
$8,895 USD
View
A
Retailer 3
-
HK$71,853 HKD
$9,159 USD
View
A
Retailer 4
-
HK$71,952 HKD
SGD 12,394 SGD
View
A
Retailer 5
-
HK$73,145 HKD
$9,324 USD
View
A
Retailer 6
-
HK$73,485 HKD
$9,367 USD
View
A
Retailer 7
-
HK$73,993 HKD
£7,427 GBP
View
A
Retailer 8
-
HK$74,372 HKD
$9,480 USD
View
B+
Retailer 9
-
HK$84,902 HKD
€10,307 EUR
View
B+
Retailer 10
-
HK$85,028 HKD
$10,838 USD
View
B+
Retailer 11
-
HK$85,849 HKD
$10,943 USD
View
B+
Retailer 12
-
HK$87,866 HKD
$11,200 USD
View
B+
Retailer 13
-
HK$92,062 HKD
$11,735 USD
View
B+
Retailer 14
-
HK$97,985 HKD
$12,490 USD
View
B+
Retailer 15
-
HK$104,465 HKD
$13,316 USD
View
Most Expensive
B
With Clarity
2548810416 · Oct 29
HK$119,128 HKD
$15,185 USD
View
15 more retailers have this diamond
Prices start from HK$66,466 HKDSave up to HK$52,662 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$66,466 HKD