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Marquise|Natural|GIA

1.00ct K SI1 Marquise Natural Diamond

EX • K/SI1 • GIA 1375003103

Certificate GIA 1375003103

Diamond specifications and retailer prices

From HK$17,172 HKD
As of November 6, 2026
Save HK$28,160 HKD (62%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$45,332 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural marquise diamond

This 1ct natural marquise sits in the classic one-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 1375003103. Listed at 19 retailers as of November 5, 2026, with prices from HK$17,172 to HK$45,332, a HK$28,160 spread on the same certified stone. NZ Jewellers lists it at HK$45,332. 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

1.00
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1375003103
Dimensions10.03 × 5.08 × 3.32 mm
L/W Ratio1.97
Culet sizeNone
Top View
10.03 mm5.08 mm1.00 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1375003103
Side View
Table 56.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 65.3%

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 6
Current: HK$22,877 HKD|Low: HK$17,172 HKD|High: HK$38,450 HKD|Avg: HK$24,077 HKD|+2.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 7, 2026
Retailer 7HK$17,172 HKD
Retailer 5HK$19,476 HKD
Retailer 6HK$20,550 HKD
Retailer 8HK$22,666 HKD
Retailer 1HK$22,877 HKD
Retailer 4HK$25,283 HKD
Retailer 2HK$26,467 HKD
Retailer 3HK$37,886 HKD

44 data points across 8 retailers

19 retailersHK$17,172 HKD to HK$45,332 HKD

B+
Cheapest Retailer
-
HK$17,172 HKD
B+
Retailer 2
-
HK$17,658 HKD
View
B+
Retailer 3
-
HK$17,744 HKD
View
B+
Retailer 4
-
HK$18,528 HKD
View
B+
Retailer 5
-
HK$18,951 HKD
View
B
Retailer 6
-
HK$19,476 HKD
View
Retailer 7
-
HK$19,648 HKD
View
Price last confirmed 9 days ago
B
Retailer 8
-
HK$19,648 HKD
View
B
Retailer 9
-
HK$19,978 HKD
View
B
Retailer 10
-
HK$20,550 HKD
View
B
Retailer 11
-
HK$21,294 HKD
View
B
Retailer 12
-
HK$21,294 HKD
View
B
Retailer 13
-
HK$22,666 HKD
View
B
Retailer 14
-
HK$22,877 HKD
View
B
Retailer 15
-
HK$25,283 HKD
View
B
Retailer 16
-
HK$26,467 HKD
View
B
Retailer 17
-
HK$31,232 HKD
View
B
Retailer 18
-
HK$37,886 HKD
View
Most Expensive
C
NZ Jewellers
d25ecab8-ce6f-41c4-a648-317ad859a575 · Nov 5
HK$45,332 HKD
$5,784 USD
View
18 more retailers have this diamond
Prices start from HK$17,172 HKDSave up to HK$28,160 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+
1.00ct Marquise
HK$17,172 HKD