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Marquise|Natural|GIA

1.51ct K SI1 Marquise Natural Diamond

EX • K/SI1 • GIA 1445475696

Certificate GIA 1445475696

Diamond specifications and retailer prices

From HK$32,196 HKD
As of November 6, 2026
Save HK$39,696 HKD (55%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$71,892 HKD at NZ Jewellers · As of November 5, 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1445475696. Listed at 16 retailers as of November 5, 2026, with prices from HK$32,196 to HK$71,892, a HK$39,696 spread on the same certified stone. NZ Jewellers lists it at HK$71,892. 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
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1445475696
Dimensions12.03 × 6.11 × 3.49 mm
L/W Ratio1.97
Key to symbols
Feather
Top View
12.03 mm6.11 mm1.51 ctK / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1445475696
Side View
Table 58.0%CrownGirdle: ThickPavilionCulet: NoneDepth 57.1%

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 6
Current: HK$71,892 HKD|Low: HK$31,898 HKD|High: HK$71,892 HKD|Avg: HK$45,393 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
November 6, 2026
Retailer 10HK$32,196 HKD
Retailer 2HK$34,163 HKD
Retailer 4HK$37,847 HKD
Retailer 12HK$40,950 HKD
Retailer 6HK$41,703 HKD
Retailer 8HK$41,930 HKD
Retailer 11HK$42,988 HKD
Retailer 13HK$42,988 HKD
Retailer 3HK$45,386 HKD
Retailer 7HK$48,372 HKD
Retailer 5HK$49,595 HKD
Retailer 9HK$68,460 HKD
NZ JewellersHK$71,892 HKD

31 data points across 13 retailers

16 retailersHK$32,196 HKD to HK$71,892 HKD

A
Cheapest Retailer
-
HK$32,196 HKD
A
Retailer 2
-
HK$34,163 HKD
View
B+
Retailer 3
-
HK$37,847 HKD
View
B+
Retailer 4
-
HK$37,886 HKD
View
Retailer 5
-
HK$39,963 HKD
View
Price last confirmed 90 days ago
B+
Retailer 6
-
HK$40,519 HKD
View
Retailer 7
-
HK$40,950 HKD
View
Price last confirmed 11 days ago
B+
Retailer 8
-
HK$41,703 HKD
View
B+
Retailer 9
-
HK$41,930 HKD
View
B+
Retailer 10
-
HK$42,988 HKD
View
B+
Retailer 11
-
HK$42,988 HKD
View
B+
Retailer 12
-
HK$45,386 HKD
View
B
Retailer 13
-
HK$48,372 HKD
View
B
Retailer 14
-
HK$49,595 HKD
View
B
Retailer 15
-
HK$68,460 HKD
View
Most Expensive
B
NZ Jewellers
65f84ebf-99d5-4b50-bf6a-d5555edcd2fd · Nov 5
HK$71,892 HKD
$9,173 USD
View
15 more retailers have this diamond
Prices start from HK$32,196 HKDSave up to HK$39,696 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$32,196 HKD