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Marquise|Natural|GIA

1.51ct E SI2 Marquise Natural Diamond

EX • E/SI2 • GIA 6545340711

Certificate GIA 6545340711

Diamond specifications and retailer prices

From HK$66,226 HKD
$8,441 USD
As of October 31, 2026
Save HK$58,890 HKD (47%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$125,115 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 6545340711. Listed at 18 retailers as of October 30, 2026, with prices from HK$66,226 to HK$125,115, a HK$58,890 spread on the same certified stone. NZ Jewellers lists it at HK$125,115. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6545340711
Dimensions11.06 × 5.88 × 3.92 mm
L/W Ratio1.88
Top View
11.06 mm5.88 mm1.51 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6545340711
Side View
Table 59.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 66.6%

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$125,115 HKD|Low: HK$65,410 HKD|High: HK$125,115 HKD|Avg: HK$85,829 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
November 1, 2026
Retailer 3HK$66,226 HKD
Retailer 4HK$71,472 HKD
Retailer 11HK$75,068 HKD
Retailer 15HK$75,068 HKD
Retailer 5HK$75,708 HKD
Retailer 12HK$76,386 HKD
Retailer 7HK$80,059 HKD
Retailer 10HK$81,329 HKD
Retailer 2HK$82,184 HKD
Retailer 14HK$82,576 HKD
Retailer 13HK$93,835 HKD
Retailer 8HK$94,589 HKD
Retailer 6HK$98,793 HKD
Retailer 9HK$117,875 HKD
NZ JewellersHK$125,115 HKD

40 data points across 15 retailers

18 retailersHK$66,226 HKD to HK$125,115 HKD

A
Cheapest Retailer
-
HK$66,226 HKD
$8,441 USD
A
Retailer 2
-
HK$69,458 HKD
$8,853 USD
View
A
Retailer 3
-
HK$69,654 HKD
$8,878 USD
View
A
Retailer 4
-
HK$70,362 HKD
A$13,797 AUD
View
A
Retailer 5
-
HK$71,472 HKD
$9,110 USD
View
B+
Retailer 6
-
HK$75,068 HKD
$9,568 USD
View
Final sale: no returns
A
Retailer 7
-
HK$75,068 HKD
$9,568 USD
View
B+
Retailer 8
-
HK$76,386 HKD
$9,736 USD
View
B+
Retailer 9
-
HK$80,059 HKD
$10,204 USD
View
B+
Retailer 10
-
HK$81,329 HKD
$10,366 USD
View
B+
Retailer 11
-
HK$82,184 HKD
£8,248 GBP
View
B+
Retailer 12
-
HK$82,576 HKD
$10,525 USD
View
B+
Retailer 13
-
HK$93,835 HKD
$11,960 USD
View
Retailer 14
-
HK$93,835 HKD
$11,960 USD
View
Price last confirmed 22 days ago
B+
Retailer 15
-
HK$94,589 HKD
€11,482 EUR
View
Retailer 16
-
HK$98,793 HKD
$12,592 USD
View
Price last confirmed 17 days ago
B
Retailer 17
-
HK$117,875 HKD
£11,830 GBP
View
Most Expensive
B
NZ Jewellers
b2489fcf-b846-4fc4-a115-469532cfdb69 · Oct 30
HK$125,115 HKD
$15,947 USD
View
17 more retailers have this diamond
Prices start from HK$66,226 HKDSave up to HK$58,890 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$66,226 HKD