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Marquise|Natural|GIA

1.51ct G SI2 Marquise Natural Diamond

EX • G/SI2 • GIA 1186263478

Certificate GIA 1186263478

Diamond specifications and retailer prices

From HK$67,924 HKD
$8,657 USD
As of November 1, 2026
Save HK$54,475 HKD (45%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$122,399 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 G 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 1186263478. Listed at 14 retailers as of November 1, 2026, with prices from HK$67,924 to HK$122,399, a HK$54,475 spread on the same certified stone. NZ Jewellers lists it at HK$122,399. 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
G
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1186263478
Dimensions10.65 × 6.09 × 3.81 mm
L/W Ratio1.75
Culet sizeSmall
Top View
10.65 mm6.09 mm1.51 ctG / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1186263478
Side View
Table 58.0%CrownGirdle: THN-VTKPavilionCulet: SmallDepth 62.5%

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$122,399 HKD|Low: HK$73,439 HKD|High: HK$122,399 HKD|Avg: HK$91,904 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 3, 2026
Retailer 7HK$73,439 HKD
Retailer 3HK$74,051 HKD
Retailer 8HK$79,559 HKD
Retailer 2HK$80,373 HKD
Retailer 6HK$80,783 HKD
Retailer 4HK$88,167 HKD
Retailer 9HK$91,799 HKD
Retailer 10HK$96,648 HKD
Retailer 11HK$105,484 HKD
Retailer 5HK$114,692 HKD
NZ JewellersHK$122,399 HKD

42 data points across 11 retailers

14 retailersHK$67,924 HKD to HK$122,399 HKD

B+
Cheapest Retailer
-
HK$67,924 HKD
$8,657 USD
B+
Retailer 2
-
HK$68,755 HKD
$8,763 USD
View
B+
Retailer 3
-
HK$71,211 HKD
CA$12,606 CAD
View
B+
Retailer 4
-
HK$73,439 HKD
$9,360 USD
View
B+
Retailer 5
-
HK$74,051 HKD
$9,438 USD
View
B+
Retailer 6
-
HK$79,559 HKD
$10,140 USD
View
B+
Retailer 7
-
HK$80,373 HKD
£8,066 GBP
View
B+
Retailer 8
-
HK$80,783 HKD
$10,296 USD
View
B
Retailer 9
-
HK$84,659 HKD
$10,790 USD
View
B
Retailer 10
-
HK$88,167 HKD
€10,702 EUR
View
B
Retailer 11
-
HK$91,799 HKD
$11,700 USD
View
Retailer 12
-
HK$96,648 HKD
$12,318 USD
View
Price last confirmed 11 days ago
B
Retailer 13
-
HK$114,692 HKD
£11,510 GBP
View
Most Expensive
B
NZ Jewellers
820b5d22-e9e2-4532-819b-2b1403d0e7c4 · Nov 3
HK$122,399 HKD
$15,600 USD
View
13 more retailers have this diamond
Prices start from HK$67,924 HKDSave up to HK$54,475 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$67,924 HKD