CaratHunter
Plans
Marquise|Natural|GIA

1.51ct I SI2 Marquise Natural Diamond

EX • I/SI2 • GIA 1567270754

Certificate GIA 1567270754

Diamond specifications and retailer prices

From HK$49,368 HKD
$6,292 USD
As of November 2, 2026
Save HK$16,687 HKD (25%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$112,278 HKD at NZ Jewellers · As of October 11, 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1567270754. Listed at 13 retailers as of November 2, 2026, with a 34% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1567270754
Dimensions11.45 × 6.01 × 3.57 mm
L/W Ratio1.91
Key to symbols
Crystal, Feather, Cloud, Needle, Indented Natural
Top View
11.45 mm6.01 mm1.51 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1567270754
Side View
Table 58.0%CrownGirdle: THK-ETKPavilionCulet: NoneDepth 59.4%

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: Nov 2
Current: HK$112,278 HKD|Low: HK$45,680 HKD|High: HK$112,278 HKD|Avg: HK$68,240 HKD|+6.7%
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 2, 2026
Retailer 8HK$49,368 HKD
Retailer 9HK$50,027 HKD
Retailer 10HK$53,189 HKD
Retailer 6HK$53,683 HKD
Retailer 5HK$56,806 HKD
Retailer 4HK$58,022 HKD
Retailer 14HK$61,968 HKD
Retailer 7HK$63,906 HKD
Retailer 2HK$66,055 HKD
Retailer 11HK$66,316 HKD
Retailer 3HK$67,131 HKD
Retailer 12HK$73,050 HKD
Retailer 13HK$77,457 HKD
Retailer 15HK$94,683 HKD
NZ JewellersHK$112,278 HKD

40 data points across 15 retailers

13 retailersHK$49,368 HKD to HK$66,055 HKD

A
Cheapest Retailer
-
HK$49,368 HKD
$6,292 USD
A
Retailer 2
-
HK$50,027 HKD
$6,376 USD
View
A
Retailer 3
-
HK$50,192 HKD
A$9,842 AUD
View
A
Retailer 4
-
HK$53,189 HKD
$6,779 USD
View
Retailer 5
-
HK$56,806 HKD
$7,240 USD
View
Price last confirmed 21 days ago
Retailer 6
-
HK$58,022 HKD
$7,395 USD
View
Price last confirmed 21 days ago
Retailer 7
-
HK$61,968 HKD
$7,898 USD
View
Price last confirmed 22 days ago
Retailer 8
-
HK$63,906 HKD
$8,145 USD
View
Price last confirmed 33 days ago
B
Retailer 9
-
HK$66,055 HKD
£6,629 GBP
View
Retailer 10
-
HK$67,131 HKD
$8,556 USD
View
Price last confirmed 23 days ago
Retailer 11
-
HK$77,457 HKD
$9,872 USD
View
Price last confirmed 21 days ago
Retailer 12
-
HK$94,683 HKD
£9,502 GBP
View
Price last confirmed 23 days ago
Most Expensive
NZ Jewellers
d63f619d-cfbf-47ba-ad25-460cd66cf1bb · Oct 11
HK$112,278 HKD
$14,310 USD
View
Price last confirmed 22 days ago
12 more retailers have this diamond
Prices start from HK$49,368 HKDSave up to HK$16,687 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$49,368 HKD