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Cushion|Natural|GIA

1.51ct G SI1 Cushion Natural Diamond

EX • G/SI1 • GIA 2556337276

Certificate GIA 2556337276

Diamond specifications and retailer prices

From HK$32,091 HKD
$4,090 USD
As of November 2, 2026
Save HK$36,784 HKD (53%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$68,875 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 2556337276. Listed at 21 retailers as of November 2, 2026, with prices from HK$32,091 to HK$68,875, a HK$36,784 spread on the same certified stone. MOH London lists it at HK$68,875. 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
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2556337276
Dimensions6.70 × 6.64 × 4.37 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.70 mm6.64 mm1.51 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556337276
Side View
Table 65.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 65.7%

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 2
Current: HK$68,875 HKD|Low: HK$31,635 HKD|High: HK$69,712 HKD|Avg: HK$43,358 HKD|-1.2%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 2, 2026
Retailer 13HK$32,091 HKD
Retailer 15HK$32,138 HKD
Retailer 4HK$33,919 HKD
Retailer 10HK$35,606 HKD
Retailer 7HK$35,926 HKD
Retailer 20HK$36,163 HKD
Retailer 2HK$36,575 HKD
Retailer 11HK$36,602 HKD
Retailer 6HK$37,959 HKD
Retailer 19HK$38,283 HKD
Retailer 3HK$40,335 HKD
Retailer 16HK$40,746 HKD
Retailer 8HK$41,341 HKD
Retailer 14HK$41,467 HKD
Retailer 12HK$43,314 HKD
Retailer 18HK$48,920 HKD
Retailer 5HK$52,788 HKD
Retailer 17HK$52,804 HKD
Retailer 9HK$66,797 HKD
MOH LondonHK$68,875 HKD

21 data points across 20 retailers

21 retailersHK$32,091 HKD to HK$68,875 HKD

A
Cheapest Retailer
-
HK$32,091 HKD
$4,090 USD
A
Retailer 2
-
HK$32,138 HKD
View
A
Retailer 3
-
HK$33,919 HKD
$4,323 USD
View
A
Retailer 4
-
HK$35,606 HKD
$4,538 USD
View
A
Retailer 5
-
HK$35,926 HKD
$4,579 USD
View
A
Retailer 6
-
HK$36,163 HKD
$4,609 USD
View
Final sale: no returns
A
Retailer 7
-
HK$36,575 HKD
€4,440 EUR
View
A
Retailer 8
-
HK$36,602 HKD
$4,665 USD
View
A
Retailer 9
-
HK$37,959 HKD
$4,838 USD
View
A
Retailer 10
-
HK$38,283 HKD
$4,879 USD
View
A
Retailer 11
-
HK$40,335 HKD
£4,048 GBP
View
A
Retailer 12
-
HK$40,746 HKD
£4,089 GBP
View
A
Retailer 13
-
HK$41,341 HKD
$5,269 USD
View
A
Retailer 14
-
HK$41,467 HKD
$5,285 USD
View
B+
Retailer 15
-
HK$42,830 HKD
A$8,398 AUD
View
Retailer 16
-
HK$43,314 HKD
A$8,493 AUD
View
Price last confirmed 23 days ago
B+
Retailer 17
-
HK$48,920 HKD
€5,938 EUR
View
B+
Retailer 18
-
HK$52,788 HKD
ZAR 108,691 ZAR
View
B+
Retailer 19
-
HK$52,804 HKD
$6,730 USD
View
Retailer 20
-
HK$66,797 HKD
$8,513 USD
View
Price last confirmed 10 days ago
Most Expensive
B
MOH London
AD4A47712 · Nov 2
HK$68,875 HKD
£6,912 GBP
View
20 more retailers have this diamond
Prices start from HK$32,091 HKDSave up to HK$36,784 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$32,091 HKD