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Cushion|Natural|GIA

1.51ct F SI2 Cushion Natural Diamond

EX • F/SI2 • GIA 1565218699

Certificate GIA 1565218699

Diamond specifications and retailer prices

From HK$41,865 HKD
₹508,164 INR
As of November 2, 2026
Save HK$15,490 HKD (27%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$57,355 HKD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.51ct natural cushion diamond

This 1.51ct natural cushion sits in the one-and-a-half to two carat band, graded F 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 1565218699. Listed at 11 retailers as of October 30, 2026, with prices from HK$41,865 to HK$57,355, a HK$15,490 spread on the same certified stone. Reve Diamonds lists it at HK$57,355. 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
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1565218699
Dimensions8.17 × 5.85 × 3.83 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
8.17 mm5.85 mm1.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1565218699
Side View
Table 66.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 65.4%

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$46,857 HKD|Low: HK$41,865 HKD|High: HK$57,355 HKD|Avg: HK$49,708 HKD|-1.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Reve Diamonds
November 2, 2026
Retailer 3HK$41,865 HKD
Retailer 2HK$44,715 HKD
Retailer 6HK$45,442 HKD
Retailer 1HK$46,857 HKD
Retailer 7HK$48,301 HKD
Retailer 5HK$49,611 HKD
Retailer 10HK$51,776 HKD
Retailer 9HK$53,011 HKD
Retailer 8HK$53,110 HKD
Retailer 4HK$57,150 HKD
Reve DiamondsHK$57,355 HKD

4 data points across 11 retailers

11 retailersHK$41,865 HKD to HK$57,355 HKD

A
Cheapest Retailer
-
HK$41,865 HKD
₹508,164 INR
B+
Retailer 2
-
HK$44,715 HKD
$5,699 USD
View
Final sale: no returns
B+
Retailer 3
-
HK$45,442 HKD
A$8,910 AUD
View
B+
Retailer 4
-
HK$46,857 HKD
$5,972 USD
View
B+
Retailer 5
-
HK$48,301 HKD
$6,156 USD
View
B+
Retailer 6
-
HK$49,611 HKD
$6,323 USD
View
B+
Retailer 7
-
HK$51,776 HKD
$6,599 USD
View
B+
Retailer 8
-
HK$53,011 HKD
£5,320 GBP
View
B+
Retailer 9
-
HK$53,110 HKD
£5,330 GBP
View
B
Retailer 10
-
HK$57,150 HKD
€6,937 EUR
View
Most Expensive
B
Reve Diamonds
382114F27 · Oct 30
HK$57,355 HKD
$7,310 USD
View
10 more retailers have this diamond
Prices start from HK$41,865 HKDSave up to HK$15,490 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$41,865 HKD