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Cushion|Natural|GIA

1.51ct I SI1 Cushion Natural Diamond

VG • I/SI1 • GIA 1235579975

Certificate GIA 1235579975

Diamond specifications and retailer prices

From HK$52,040 HKD
As of November 6, 2026
Save HK$45,434 HKD (47%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$97,475 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 1235579975. Listed at 22 retailers as of November 4, 2026, with prices from HK$52,040 to HK$97,475, a HK$45,434 spread on the same certified stone. MOH London lists it at HK$97,475. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
I
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1235579975
Dimensions6.68 × 6.64 × 4.43 mm
L/W Ratio1.01
Top View
6.68 mm6.64 mm1.51 ctI / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1235579975
Side View
Table 70.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 66.7%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
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$97,475 HKD|Low: HK$48,874 HKD|High: HK$98,908 HKD|Avg: HK$68,169 HKD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 7, 2026
Retailer 10HK$52,040 HKD
Retailer 8HK$52,354 HKD
Retailer 6HK$58,647 HKD
Retailer 9HK$58,647 HKD
Retailer 3HK$60,309 HKD
Retailer 2HK$64,745 HKD
Retailer 7HK$66,493 HKD
Retailer 4HK$72,465 HKD
Retailer 5HK$85,553 HKD
MOH LondonHK$97,475 HKD

46 data points across 10 retailers

22 retailersHK$52,040 HKD to HK$97,475 HKD

B
Cheapest Retailer
-
HK$52,040 HKD
Retailer 2
-
HK$52,354 HKD
View
Price last confirmed 19 days ago
B
Retailer 3
-
HK$54,470 HKD
View
B
Retailer 4
-
HK$54,909 HKD
View
B
Retailer 5
-
HK$56,359 HKD
View
B
Retailer 6
-
HK$57,981 HKD
View
B
Retailer 7
-
HK$58,506 HKD
View
B
Retailer 8
-
HK$58,647 HKD
View
Final sale: no returns
Retailer 9
-
HK$58,647 HKD
View
Price last confirmed 9 days ago
B
Retailer 10
-
HK$59,674 HKD
View
B
Retailer 11
-
HK$60,309 HKD
View
B
Retailer 12
-
HK$64,745 HKD
View
B
Retailer 13
-
HK$65,560 HKD
View
Retailer 14
-
HK$66,493 HKD
View
Price last confirmed 15 days ago
B
Retailer 15
-
HK$67,268 HKD
View
B
Retailer 16
-
HK$69,831 HKD
View
B
Retailer 17
-
HK$69,831 HKD
View
B
Retailer 18
-
HK$72,182 HKD
View
B
Retailer 19
-
HK$72,465 HKD
View
Retailer 20
-
HK$77,222 HKD
View
Price last confirmed 15 days ago
B
Retailer 21
-
HK$85,553 HKD
View
Most Expensive
B
MOH London
B8380E7D5 · Nov 4
HK$97,475 HKD
£9,793 GBP
View
21 more retailers have this diamond
Prices start from HK$52,040 HKDSave up to HK$45,434 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$52,040 HKD