CaratHunter
Plans
Marquise|Natural|GIA

1.51ct I SI1 Marquise Natural Diamond

EX • I/SI1 • GIA 2547653720

Certificate GIA 2547653720

Diamond specifications and retailer prices

From HK$56,570 HKD
$7,210 USD
As of November 1, 2026
Save HK$46,583 HKD (45%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$103,153 HKD at MOH London · As of November 2, 2026
View at MOH London

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 2547653720. Listed at 12 retailers as of November 1, 2026, with prices from HK$56,570 to HK$103,153, a HK$46,583 spread on the same certified stone. MOH London lists it at HK$103,153. 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
PolishVery Good
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2547653720
Dimensions10.55 × 5.97 × 3.75 mm
L/W Ratio1.77
Top View
10.55 mm5.97 mm1.51 ctI / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 2547653720
Side View
Table 57.0%CrownGirdle: VTK-ETKPavilionCulet: NoneDepth 62.8%

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: Nov 1
Current: HK$103,153 HKD|Low: HK$56,570 HKD|High: HK$104,389 HKD|Avg: HK$75,983 HKD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 3, 2026
Retailer 6HK$56,570 HKD
Retailer 8HK$58,548 HKD
Retailer 9HK$66,464 HKD
Retailer 2HK$69,082 HKD
Retailer 7HK$69,782 HKD
Retailer 11HK$70,772 HKD
Retailer 12HK$70,772 HKD
Retailer 3HK$73,126 HKD
Retailer 5HK$80,860 HKD
Retailer 10HK$81,497 HKD
Retailer 4HK$93,000 HKD
MOH LondonHK$103,153 HKD

32 data points across 12 retailers

12 retailersHK$56,570 HKD to HK$103,153 HKD

B+
Cheapest Retailer
-
HK$56,570 HKD
$7,210 USD
B+
Retailer 2
-
HK$58,548 HKD
$7,462 USD
View
B
Retailer 3
-
HK$66,464 HKD
$8,471 USD
View
B+
Retailer 4
-
HK$69,082 HKD
£6,933 GBP
View
Retailer 5
-
HK$69,782 HKD
A$13,683 AUD
View
Price last confirmed 10 days ago
B
Retailer 6
-
HK$70,772 HKD
$9,020 USD
View
B
Retailer 7
-
HK$70,772 HKD
$9,020 USD
View
B
Retailer 8
-
HK$73,126 HKD
$9,320 USD
View
B
Retailer 9
-
HK$74,037 HKD
$9,436 USD
View
B
Retailer 10
-
HK$80,860 HKD
€9,815 EUR
View
Retailer 11
-
HK$81,497 HKD
$10,387 USD
View
Price last confirmed 19 days ago
Most Expensive
B
MOH London
05593552D · Nov 2
HK$103,153 HKD
£10,352 GBP
View
11 more retailers have this diamond
Prices start from HK$56,570 HKDSave up to HK$46,583 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$56,570 HKD