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Marquise|Natural|GIA

1.51ct J SI1 Marquise Natural Diamond

EX • J/SI1 • GIA 2566364425

Certificate GIA 2566364425

Diamond specifications and retailer prices

From HK$52,110 HKD
₹632,523 INR
As of November 2, 2026
Save HK$63,000 HKD (55%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$115,110 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 J 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 2566364425. Listed at 21 retailers as of November 2, 2026, with prices from HK$52,110 to HK$115,110, a HK$63,000 spread on the same certified stone. NZ Jewellers lists it at HK$115,110. 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
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2566364425
Dimensions11.56 × 6.06 × 3.74 mm
L/W Ratio1.91
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather
Top View
11.56 mm6.06 mm1.51 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2566364425
Side View
Table 61.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 61.7%

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 2
Current: HK$115,110 HKD|Low: HK$52,110 HKD|High: HK$117,888 HKD|Avg: HK$68,687 HKD|-2.4%
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 3, 2026
Retailer 17HK$52,110 HKD
Retailer 21HK$53,612 HKD
Retailer 9HK$55,511 HKD
Retailer 15HK$58,234 HKD
Retailer 11HK$59,960 HKD
Retailer 20HK$60,831 HKD
Retailer 19HK$63,240 HKD
Retailer 10HK$63,946 HKD
Retailer 6HK$64,040 HKD
Retailer 2HK$64,148 HKD
Retailer 14HK$66,844 HKD
Retailer 5HK$66,956 HKD
Retailer 12HK$67,830 HKD
Retailer 3HK$68,984 HKD
Retailer 7HK$69,375 HKD
Retailer 13HK$69,885 HKD
Retailer 4HK$70,891 HKD
Retailer 18HK$71,262 HKD
Retailer 16HK$79,410 HKD
Retailer 8HK$97,204 HKD
NZ JewellersHK$115,110 HKD

13 data points across 21 retailers

21 retailersHK$52,110 HKD to HK$115,110 HKD

B+
Cheapest Retailer
-
HK$52,110 HKD
₹632,523 INR
B+
Retailer 2
-
HK$53,612 HKD
A$10,512 AUD
View
B+
Retailer 3
-
HK$55,511 HKD
$7,075 USD
View
Final sale: no returns
B+
Retailer 4
-
HK$58,234 HKD
$7,422 USD
View
B+
Retailer 5
-
HK$59,960 HKD
$7,642 USD
View
B+
Retailer 6
-
HK$60,831 HKD
$7,753 USD
View
B
Retailer 7
-
HK$63,240 HKD
$8,060 USD
View
B
Retailer 8
-
HK$63,946 HKD
$8,150 USD
View
B
Retailer 9
-
HK$64,040 HKD
$8,162 USD
View
B
Retailer 10
-
HK$64,148 HKD
£6,438 GBP
View
Retailer 11
-
HK$66,844 HKD
A$13,107 AUD
View
Price last confirmed 10 days ago
B
Retailer 12
-
HK$66,956 HKD
£6,719 GBP
View
Retailer 13
-
HK$67,830 HKD
$8,645 USD
View
Price last confirmed 8 days ago
B
Retailer 14
-
HK$68,984 HKD
$8,792 USD
View
B
Retailer 15
-
HK$69,375 HKD
$8,842 USD
View
B
Retailer 16
-
HK$69,885 HKD
$8,907 USD
View
B
Retailer 17
-
HK$70,891 HKD
$9,035 USD
View
B
Retailer 18
-
HK$71,262 HKD
€8,650 EUR
View
B
Retailer 19
-
HK$79,410 HKD
$10,121 USD
View
B
Retailer 20
-
HK$97,204 HKD
£9,755 GBP
View
Most Expensive
B
NZ Jewellers
6bb1fa8d-6ca7-4383-a961-5087c68daff0 · Nov 3
HK$115,110 HKD
$14,671 USD
View
20 more retailers have this diamond
Prices start from HK$52,110 HKDSave up to HK$63,000 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$52,110 HKD