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Marquise|Natural|GIA

1.51ct I SI1 Marquise Natural Diamond

EX • I/SI1 • GIA 5566372644

Certificate GIA 5566372644

Diamond specifications and retailer prices

From HK$50,818 HKD
As of November 1, 2026
Save HK$62,229 HKD (55%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$113,047 HKD at NZ Jewellers · As of November 3, 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5566372644. Listed at 11 retailers as of November 1, 2026, with prices from HK$50,818 to HK$113,047, a HK$62,229 spread on the same certified stone. NZ Jewellers lists it at HK$113,047. 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
SymmetryExcellent
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 5566372644
Dimensions11.71 × 5.87 × 3.69 mm
L/W Ratio1.99
Girdle conditionMedium to Very Thick
Key to symbols
Crystal, Feather, Needle
Top View
11.71 mm5.87 mm1.51 ctI / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceStrong
CertificateGIA 5566372644
Side View
Table 60.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 62.8%

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 1
Current: HK$113,047 HKD|Low: HK$50,416 HKD|High: HK$121,144 HKD|Avg: HK$73,113 HKD|-6.7%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 3, 2026
Retailer 8HK$50,818 HKD
Retailer 4HK$51,688 HKD
Retailer 10HK$54,609 HKD
Retailer 9HK$59,756 HKD
Retailer 5HK$64,134 HKD
Retailer 2HK$67,540 HKD
Retailer 7HK$67,594 HKD
Retailer 3HK$68,630 HKD
Retailer 6HK$94,195 HKD
NZ JewellersHK$113,047 HKD

36 data points across 10 retailers

11 retailersHK$50,818 HKD to HK$113,047 HKD

A
Cheapest Retailer
-
HK$50,818 HKD
A
Retailer 2
-
HK$51,688 HKD
₹627,397 INR
View
B+
Retailer 3
-
HK$54,609 HKD
$6,960 USD
View
Final sale: no returns
B+
Retailer 4
-
HK$59,756 HKD
$7,616 USD
View
Retailer 5
-
HK$59,861 HKD
SGD 10,310 SGD
View
Price last confirmed 22 days ago
B+
Retailer 6
-
HK$64,134 HKD
£6,436 GBP
View
B+
Retailer 7
-
HK$67,540 HKD
£6,778 GBP
View
B
Retailer 8
-
HK$67,594 HKD
$8,615 USD
View
B
Retailer 9
-
HK$68,630 HKD
$8,747 USD
View
B
Retailer 10
-
HK$94,195 HKD
£9,453 GBP
View
Most Expensive
B
NZ Jewellers
c46d6811-9a3a-4d37-b07f-f337090d5828 · Nov 3
HK$113,047 HKD
$14,408 USD
View
10 more retailers have this diamond
Prices start from HK$50,818 HKDSave up to HK$62,229 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$50,818 HKD