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Marquise|Natural|GIA

1.51ct E SI1 Marquise Natural Diamond

EX • E/SI1 • GIA 1558211257

Certificate GIA 1558211257

Diamond specifications and retailer prices

From HK$100,394 HKD
$12,796 USD
As of October 30, 2026
Save HK$63,001 HKD (39%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$163,395 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1558211257. Listed at 13 retailers as of October 30, 2026, with prices from HK$100,394 to HK$163,395, a HK$63,001 spread on the same certified stone. NZ Jewellers lists it at HK$163,395. 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
OriginNatural
Grading LabGIA
CertificateGIA 1558211257
Dimensions11.60 × 5.94 × 3.77 mm
L/W Ratio1.95
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cavity, Indented Natural, Knot, Natural
Top View
11.60 mm5.94 mm1.51 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1558211257
Side View
Table 60.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 63.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: HK$153,107 HKD|Low: HK$82,715 HKD|High: HK$154,951 HKD|Avg: HK$112,762 HKD|-0.1%
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
Retailer 15
Retailer 16
Retailer 17
November 1, 2026
Retailer 8HK$82,715 HKD
Retailer 6HK$100,347 HKD
Retailer 15HK$100,394 HKD
Retailer 9HK$102,806 HKD
Retailer 14HK$103,697 HKD
Retailer 4HK$104,640 HKD
Retailer 13HK$105,223 HKD
Retailer 7HK$106,207 HKD
Retailer 16HK$106,270 HKD
Retailer 3HK$108,216 HKD
Retailer 10HK$109,688 HKD
Retailer 17HK$115,426 HKD
Retailer 5HK$118,760 HKD
Retailer 2HK$121,742 HKD
Retailer 12HK$123,520 HKD
Retailer 11HK$144,028 HKD
Retailer 1HK$153,107 HKD

39 data points across 17 retailers

13 retailersHK$100,394 HKD to HK$163,395 HKD

B+
Cheapest Retailer
-
HK$100,394 HKD
$12,796 USD
B
Retailer 2
-
HK$103,697 HKD
$13,217 USD
View
Final sale: no returns
B+
Retailer 3
-
HK$104,640 HKD
$13,337 USD
View
Retailer 4
-
HK$105,223 HKD
A$20,633 AUD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
HK$106,270 HKD
$13,545 USD
View
B+
Retailer 6
-
HK$109,688 HKD
£11,008 GBP
View
B+
Retailer 7
-
HK$115,426 HKD
$14,712 USD
View
B
Retailer 8
-
HK$117,230 HKD
$14,942 USD
View
B
Retailer 9
-
HK$121,742 HKD
$15,517 USD
View
B
Retailer 10
-
HK$123,520 HKD
€14,994 EUR
View
B
Retailer 11
-
HK$144,028 HKD
ZAR 296,569 ZAR
View
B
Retailer 12
-
HK$153,107 HKD
£15,366 GBP
View
Most Expensive
B
NZ Jewellers
c4c34995-0942-4c95-a076-5438e9cfa13b · Oct 30
HK$163,395 HKD
$20,826 USD
View
12 more retailers have this diamond
Prices start from HK$100,394 HKDSave up to HK$63,001 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.

B+
1.51ct Marquise
HK$100,394 HKD