CaratHunter
Plans
Marquise|Natural|GIA

1.21ct D SI1 Marquise Natural Diamond

ID • D/SI1 • GIA 7558598063

Certificate GIA 7558598063

Diamond specifications and retailer prices

From HK$34,923 HKD
As of November 5, 2026
Save HK$32,894 HKD (49%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$67,817 HKD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.21ct natural marquise diamond

This 1.21ct natural marquise sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7558598063. Listed at 10 retailers as of November 3, 2026, with prices from HK$34,923 to HK$67,817, a HK$32,894 spread on the same certified stone. NZ Jewellers lists it at HK$67,817. 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

1.21
Carat
D
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceMedium
Crown angle40.62°
Pavilion angle40.11°
OriginNatural
Grading LabGIA
CertificateGIA 7558598063
Dimensions9.78 × 5.47 × 3.69 mm
L/W Ratio1.79
Girdle conditionVery Thick
Key to symbols
Crystal, Knot, Indented Natural
Top View
9.78 mm5.47 mm1.21 ctD / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 7558598063
Side View
Table 59.0%Crown 40.62°GirdlePavilion 40.11°CuletDepth 67.3%

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 5
Current: HK$67,817 HKD|Low: HK$34,923 HKD|High: HK$68,616 HKD|Avg: HK$45,166 HKD|-0.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 3HK$34,923 HKD
Retailer 4HK$37,463 HKD
Retailer 5HK$37,964 HKD
Retailer 7HK$38,247 HKD
Retailer 8HK$38,928 HKD
Retailer 9HK$38,928 HKD
Retailer 10HK$41,091 HKD
Retailer 2HK$43,952 HKD
Retailer 6HK$61,994 HKD
NZ JewellersHK$67,817 HKD

30 data points across 10 retailers

10 retailersHK$34,923 HKD to HK$67,817 HKD

B+
Cheapest Retailer
-
HK$34,923 HKD
B+
Retailer 2
-
HK$37,463 HKD
View
B+
Retailer 3
-
HK$37,964 HKD
View
B+
Retailer 4
-
HK$38,247 HKD
View
B+
Retailer 5
-
HK$38,928 HKD
View
B+
Retailer 6
-
HK$38,928 HKD
View
Retailer 7
-
HK$41,091 HKD
View
Price last confirmed 29 days ago
B+
Retailer 8
-
HK$43,952 HKD
View
B
Retailer 9
-
HK$61,994 HKD
View
Most Expensive
B
NZ Jewellers
e133051b-13b6-4904-b503-a4873a6cd697 · Nov 3
HK$67,817 HKD
$8,653 USD
View
9 more retailers have this diamond
Prices start from HK$34,923 HKDSave up to HK$32,894 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+
1.21ct Marquise
HK$34,923 HKD