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Cushion|Natural|GIA

3.05ct I SI1 Cushion Natural Diamond

ID • I/SI1 • GIA 1563037001

Certificate GIA 1563037001

Diamond specifications and retailer prices

From HK$217,723 HKD
As of November 5, 2026
Save HK$147,262 HKD (40%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: HK$364,985 HKD at MOH London · As of November 2, 2026
View at MOH London

About this 3.05ct natural cushion diamond

This 3.05ct natural cushion sits in the three to five carat band, graded I 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 1563037001. Listed at 6 retailers as of November 2, 2026, with prices from HK$217,723 to HK$364,985, a HK$147,262 spread on the same certified stone. MOH London lists it at HK$364,985. 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

3.05
Carat
I
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.06°
Pavilion angle31.35°
OriginNatural
Grading LabGIA
CertificateGIA 1563037001
Dimensions9.70 × 7.42 × 4.96 mm
L/W Ratio1.31
Girdle conditionThick
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
9.70 mm7.42 mm3.05 ctI / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1563037001
Side View
Table 60.0%Crown 37.06°Girdle: MED-THKPavilion 31.35°Culet: NoneDepth 66.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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$364,985 HKD|Low: HK$217,723 HKD|High: HK$372,559 HKD|Avg: HK$262,810 HKD|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 6HK$217,723 HKD
Retailer 2HK$219,110 HKD
Retailer 5HK$233,460 HKD
Retailer 4HK$250,562 HKD
Retailer 3HK$259,598 HKD
MOH LondonHK$364,985 HKD

41 data points across 6 retailers

6 retailersHK$217,723 HKD to HK$364,985 HKD

A
Cheapest Retailer
-
HK$217,723 HKD
A
Retailer 2
-
HK$219,110 HKD
View
Retailer 3
-
HK$233,460 HKD
View
Price last confirmed 34 days ago
B+
Retailer 4
-
HK$250,562 HKD
View
B+
Retailer 5
-
HK$259,598 HKD
View
Most Expensive
B
MOH London
E9EB423D7 · Nov 2
HK$364,985 HKD
£36,669 GBP
View
5 more retailers have this diamond
Prices start from HK$217,723 HKDSave up to HK$147,262 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.

A
3.05ct Cushion
HK$217,723 HKD