Marquise|Natural|GIA

1.20ct I SI2 Marquise Natural Diamond

EX • I/SI2 • GIA 3545997801

Certificate GIA 3545997801

Diamond specifications and retailer prices

From HK$34,845 HKD
As of November 5, 2026
Save HK$8,033 HKD (19%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: HK$66,289 HKD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.2ct natural marquise diamond

This 1.2ct natural marquise sits in the classic one-carat band, graded I 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 3545997801. Listed at 23 retailers as of November 5, 2026, with a relatively tight 23% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

1.20
Carat
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 3545997801
Dimensions10.67 × 5.62 × 3.45 mm
L/W Ratio1.90
Culet sizeNone
Top View
10.67 mm5.62 mm1.20 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3545997801
Side View
Table 59.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 61.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: HK$66,289 HKD|Low: HK$30,331 HKD|High: HK$66,289 HKD|Avg: HK$40,440 HKD
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
Retailer 22
Retailer 23
Retailer 24
November 6, 2026
Retailer 4HK$30,331 HKD
Retailer 11HK$30,707 HKD
Retailer 9HK$32,376 HKD
Retailer 14HK$34,273 HKD
Retailer 7HK$34,469 HKD
Retailer 10HK$34,469 HKD
Retailer 21HK$34,469 HKD
Retailer 22HK$34,845 HKD
Retailer 23HK$36,177 HKD
Retailer 5HK$36,491 HKD
Retailer 13HK$37,729 HKD
Retailer 18HK$37,831 HKD
Retailer 3HK$38,795 HKD
Retailer 15HK$38,795 HKD
Retailer 12HK$39,775 HKD
Retailer 16HK$40,049 HKD
Retailer 24HK$40,198 HKD
Retailer 6HK$42,016 HKD
Retailer 2HK$42,878 HKD
Retailer 19HK$42,996 HKD
Retailer 17HK$46,209 HKD
Retailer 8HK$55,614 HKD
Retailer 20HK$60,685 HKD
NZ JewellersHK$66,289 HKD

25 data points across 24 retailers

23 retailersHK$34,845 HKD to HK$42,878 HKD

Retailer 1
-
HK$30,331 HKD
Price last confirmed 8 days ago
Retailer 2
-
HK$30,707 HKD
View
Price last confirmed 8 days ago
Retailer 3
-
HK$32,376 HKD
View
Price last confirmed 8 days ago
Retailer 4
-
HK$34,273 HKD
View
Price last confirmed 8 days ago
Retailer 5
-
HK$34,469 HKD
View
Price last confirmed 9 days ago
Retailer 6
-
HK$34,469 HKD
View
Price last confirmed 9 days ago
Retailer 7
-
HK$34,469 HKD
View
Price last confirmed 9 days ago
B+
Retailer 8
-
HK$34,845 HKD
View
B
Retailer 9
-
HK$36,177 HKD
View
Retailer 10
-
HK$36,491 HKD
View
Price last confirmed 9 days ago
Retailer 11
-
HK$37,729 HKD
View
Price last confirmed 8 days ago
Retailer 12
-
HK$37,831 HKD
View
Price last confirmed 8 days ago
Retailer 13
-
HK$38,795 HKD
View
Price last confirmed 8 days ago
Retailer 14
-
HK$38,795 HKD
View
Price last confirmed 8 days ago
Retailer 15
-
HK$39,775 HKD
View
Price last confirmed 11 days ago
Retailer 16
-
HK$40,049 HKD
View
Price last confirmed 8 days ago
B
Retailer 17
-
HK$40,198 HKD
View
Retailer 18
-
HK$42,016 HKD
View
Price last confirmed 15 days ago
B
Retailer 19
-
HK$42,878 HKD
View
Retailer 20
-
HK$42,996 HKD
View
Price last confirmed 10 days ago
Retailer 21
-
HK$55,614 HKD
View
Price last confirmed 11 days ago
Retailer 22
-
HK$60,685 HKD
View
Price last confirmed 12 days ago
Most Expensive
NZ Jewellers
3da4b02c-864c-4fd5-a24c-5cf4ba27b9f2 · Oct 30
HK$66,289 HKD
$8,458 USD
View
Price last confirmed 7 days ago
22 more retailers have this diamond
Prices start from HK$34,845 HKDSave up to HK$8,033 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+
1.20ct Marquise
HK$34,845 HKD