Marquise|Natural|GIA

1.51ct G SI1 Marquise Natural Diamond

EX • G/SI1 • GIA 2544827819

Certificate GIA 2544827819

Diamond specifications and retailer prices

From HK$78,532 HKD
$10,009 USD
As of November 1, 2026
Save HK$62,541 HKD (44%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$141,073 HKD at NZ Jewellers · As of October 30, 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2544827819. Listed at 20 retailers as of October 30, 2026, with prices from HK$78,532 to HK$141,073, a HK$62,541 spread on the same certified stone. NZ Jewellers lists it at HK$141,073. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2544827819
Dimensions11.54 × 6.17 × 3.72 mm
L/W Ratio1.87
Top View
11.54 mm6.17 mm1.51 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2544827819
Side View
Table 62.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 60.3%

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$95,369 HKD|Low: HK$90,733 HKD|High: HK$133,784 HKD|Avg: HK$104,617 HKD|-1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 3HK$91,494 HKD
Retailer 6HK$91,988 HKD
Retailer 7HK$93,110 HKD
Retailer 1HK$95,369 HKD
Retailer 2HK$101,876 HKD
Retailer 5HK$124,353 HKD
Retailer 4HK$132,190 HKD

36 data points across 7 retailers

20 retailersHK$78,532 HKD to HK$141,073 HKD

B+
Cheapest Retailer
-
HK$78,532 HKD
$10,009 USD
B+
Retailer 2
-
HK$78,995 HKD
$10,068 USD
View
B+
Retailer 3
-
HK$83,561 HKD
$10,650 USD
View
B+
Retailer 4
-
HK$84,644 HKD
$10,788 USD
View
B+
Retailer 5
-
HK$85,350 HKD
$10,878 USD
View
B+
Retailer 6
-
HK$91,494 HKD
£9,182 GBP
View
B+
Retailer 7
-
HK$91,697 HKD
$11,687 USD
View
Retailer 8
-
HK$91,988 HKD
A$18,037 AUD
View
Price last confirmed 9 days ago
B+
Retailer 9
-
HK$93,110 HKD
$11,867 USD
View
B+
Retailer 10
-
HK$93,824 HKD
$11,958 USD
View
B+
Retailer 11
-
HK$95,369 HKD
£9,571 GBP
View
B
Retailer 12
-
HK$98,782 HKD
$12,590 USD
View
B
Retailer 13
-
HK$98,782 HKD
$12,590 USD
View
B
Retailer 14
-
HK$101,876 HKD
€12,366 EUR
View
B
Retailer 15
-
HK$102,078 HKD
$13,010 USD
View
B
Retailer 16
-
HK$105,805 HKD
$13,485 USD
View
Retailer 17
-
HK$111,352 HKD
$14,192 USD
View
Price last confirmed 10 days ago
B
Retailer 18
-
HK$124,353 HKD
ZAR 256,042 ZAR
View
B
Retailer 19
-
HK$132,190 HKD
£13,266 GBP
View
Most Expensive
B
NZ Jewellers
cddb2d76-c4a3-4bb6-8b7a-65550c87b1c7 · Oct 30
HK$141,073 HKD
$17,980 USD
View
19 more retailers have this diamond
Prices start from HK$78,532 HKDSave up to HK$62,541 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$78,532 HKD