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Cushion|Natural|GIA

1.51ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 6205595976

Certificate GIA 6205595976

Diamond specifications and retailer prices

From HK$78,202 HKD
As of November 6, 2026
Save HK$60,520 HKD (44%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$138,722 HKD at MOH London · As of November 4, 2026
View at MOH London

About this 1.51ct natural cushion diamond

This 1.51ct natural cushion sits in the one-and-a-half to two carat band, graded E 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 6205595976. Listed at 20 retailers as of November 4, 2026, with prices from HK$78,202 to HK$138,722, a HK$60,520 spread on the same certified stone. MOH London lists it at HK$138,722. 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
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6205595976
Dimensions7.17 × 6.84 × 4.49 mm
L/W Ratio1.05
Top View
7.17 mm6.84 mm1.51 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6205595976
Side View
Table 62.0%CrownGirdle: THN-STKPavilionCulet: NoneDepth 65.6%

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$138,722 HKD|Low: HK$78,202 HKD|High: HK$140,762 HKD|Avg: HK$102,545 HKD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 9HK$78,202 HKD
Retailer 7HK$78,962 HKD
Retailer 8HK$89,056 HKD
Retailer 4HK$94,809 HKD
Retailer 6HK$96,855 HKD
Retailer 2HK$103,085 HKD
Retailer 3HK$107,028 HKD
Retailer 5HK$129,936 HKD
MOH LondonHK$138,722 HKD

46 data points across 9 retailers

20 retailersHK$78,202 HKD to HK$138,722 HKD

B+
Cheapest Retailer
-
HK$78,202 HKD
Retailer 2
-
HK$78,962 HKD
View
Price last confirmed 16 days ago
B
Retailer 3
-
HK$82,622 HKD
View
B
Retailer 4
-
HK$82,638 HKD
View
B
Retailer 5
-
HK$84,511 HKD
View
B
Retailer 6
-
HK$85,051 HKD
View
B
Retailer 7
-
HK$87,818 HKD
View
Retailer 8
-
HK$89,056 HKD
View
Price last confirmed 8 days ago
B
Retailer 9
-
HK$89,801 HKD
View
B
Retailer 10
-
HK$94,809 HKD
View
Retailer 11
-
HK$96,855 HKD
View
Price last confirmed 14 days ago
B
Retailer 12
-
HK$98,555 HKD
View
B
Retailer 13
-
HK$103,030 HKD
View
B
Retailer 14
-
HK$103,085 HKD
View
B
Retailer 15
-
HK$103,610 HKD
View
B
Retailer 16
-
HK$103,610 HKD
View
B
Retailer 17
-
HK$107,028 HKD
View
B
Retailer 18
-
HK$107,059 HKD
View
B
Retailer 19
-
HK$129,936 HKD
View
Most Expensive
B
MOH London
E50A38A21 · Nov 4
HK$138,722 HKD
£13,937 GBP
View
19 more retailers have this diamond
Prices start from HK$78,202 HKDSave up to HK$60,520 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 Cushion
HK$78,202 HKD