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Cushion|Natural|GIA

1.51ct G SI1 Cushion Natural Diamond

EX • G/SI1 • GIA 1533872051

Certificate GIA 1533872051

Diamond specifications and retailer prices

From HK$24,001 HKD
$3,059 USD
As of November 2, 2026
Save HK$26,539 HKD (53%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$50,540 HKD at MOH London · As of November 2, 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 G 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 1533872051. Listed at 12 retailers as of November 2, 2026, with prices from HK$24,001 to HK$50,540, a HK$26,539 spread on the same certified stone. MOH London lists it at HK$50,540. 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
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1533872051
Dimensions6.63 × 6.22 × 4.15 mm
L/W Ratio1.07
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
6.63 mm6.22 mm1.51 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1533872051
Side View
Table 62.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 66.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: HK$50,540 HKD|Low: HK$20,949 HKD|High: HK$50,540 HKD|Avg: HK$30,290 HKD|+4.0%
MOH London
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
November 1, 2026
Retailer 11HK$22,456 HKD
Retailer 8HK$23,460 HKD
Retailer 2HK$24,001 HKD
Retailer 5HK$25,759 HKD
Retailer 7HK$26,245 HKD
Retailer 14HK$29,015 HKD
Retailer 13HK$29,399 HKD
Retailer 9HK$30,109 HKD
Retailer 4HK$30,162 HKD
Retailer 12HK$31,083 HKD
Retailer 6HK$32,718 HKD
Retailer 10HK$33,843 HKD
Retailer 3HK$34,990 HKD
MOH LondonHK$50,540 HKD

34 data points across 14 retailers

12 retailersHK$24,001 HKD to HK$50,540 HKD

Retailer 1
-
HK$23,460 HKD
$2,990 USD
Price last confirmed 11 days ago
A
Retailer 2
-
HK$24,001 HKD
$3,059 USD
View
Final sale: no returns
Retailer 3
-
HK$25,759 HKD
$3,283 USD
View
Price last confirmed 28 days ago
A
Retailer 4
-
HK$26,245 HKD
$3,345 USD
View
A
Retailer 5
-
HK$28,550 HKD
A$5,598 AUD
View
Retailer 6
-
HK$29,015 HKD
$3,698 USD
View
Price last confirmed 25 days ago
Retailer 7
-
HK$29,399 HKD
$3,747 USD
View
Price last confirmed 26 days ago
Retailer 8
-
HK$30,162 HKD
$3,844 USD
View
Price last confirmed 24 days ago
Retailer 9
-
HK$31,083 HKD
A$6,095 AUD
View
Price last confirmed 25 days ago
Retailer 10
-
HK$32,718 HKD
$4,170 USD
View
Price last confirmed 24 days ago
Retailer 11
-
HK$34,990 HKD
ZAR 72,044 ZAR
View
Price last confirmed 33 days ago
Most Expensive
B+
MOH London
28EA0EA95 · Nov 2
HK$50,540 HKD
£5,072 GBP
View
11 more retailers have this diamond
Prices start from HK$24,001 HKDSave up to HK$26,539 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
1.51ct Cushion
HK$24,001 HKD