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Cushion|Natural|GIA

1.51ct E SI2 Cushion Natural Diamond

EX • E/SI2 • GIA 3555043112

Certificate GIA 3555043112

Diamond specifications and retailer prices

From HK$20,864 HKD
₹253,248 INR
As of October 29, 2026
Save HK$6,870 HKD (25%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$27,735 HKD at GemTrove · As of October 29, 2026
View at GemTrove

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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 3555043112. Listed at 8 retailers as of October 29, 2026, with prices from HK$20,864 to HK$27,735, a HK$6,870 spread on the same certified stone. GemTrove lists it at HK$27,735. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 3555043112
Dimensions6.39 × 6.12 × 4.34 mm
L/W Ratio1.04
Top View
6.39 mm6.12 mm1.51 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3555043112
Side View
Table 60.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 70.9%

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: Oct 29
Current: HK$23,096 HKD|Low: HK$19,286 HKD|High: HK$27,783 HKD|Avg: HK$22,667 HKD|-7.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 29, 2026
Retailer 2HK$20,864 HKD
Retailer 3HK$21,374 HKD
Retailer 4HK$21,609 HKD
Retailer 6HK$21,924 HKD
Retailer 1HK$23,096 HKD
Retailer 5HK$25,182 HKD

45 data points across 6 retailers

8 retailersHK$20,864 HKD to HK$27,735 HKD

A
Cheapest Retailer
-
HK$20,864 HKD
₹253,248 INR
A
Retailer 2
-
HK$21,374 HKD
$2,724 USD
View
A
Retailer 3
-
HK$21,609 HKD
$2,754 USD
View
Final sale: no returns
A
Retailer 4
-
HK$21,924 HKD
MYR 11,381 MYR
View
A
Retailer 5
-
HK$23,096 HKD
£2,318 GBP
View
A
Retailer 6
-
HK$25,182 HKD
SGD 4,337 SGD
View
A
Retailer 7
-
HK$26,356 HKD
A$5,168 AUD
View
Most Expensive
A
GemTrove
GT-N-00967728-98 · Oct 29
HK$27,735 HKD
A$5,438 AUD
View
7 more retailers have this diamond
Prices start from HK$20,864 HKDSave up to HK$6,870 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$20,864 HKD