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Cushion|Natural|GIA

0.40ct I SI1 Cushion Natural Diamond

VG • I/SI1 • GIA 6531971335

Certificate GIA 6531971335

Diamond specifications and retailer prices

From HK$2,331 HKD
₹28,299 INR
As of November 1, 2026
Save HK$4,227 HKD (64%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$12,420 HKD at NZ Jewellers · As of October 17, 2026
View at NZ Jewellers

About this 0.4ct natural cushion diamond

This 0.4ct natural cushion sits in the sub-half-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 6531971335. Listed at 17 retailers as of November 1, 2026, with a 181% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.40
Carat
I
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6531971335
Dimensions7.97 × 3.56 × 2.34 mm
L/W Ratio2.24
Top View
7.97 mm3.56 mm0.40 ctI / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6531971335
Side View
Table 61.0%CrownGirdle: STK-ETKPavilionCulet: NoneDepth 65.6%

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 1
Current: HK$2,331 HKD|Low: HK$2,326 HKD|High: HK$7,573 HKD|Avg: HK$4,683 HKD|-2.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 1HK$2,331 HKD
Retailer 7HK$3,334 HKD
Retailer 3HK$4,010 HKD
Retailer 8HK$4,904 HKD
Retailer 4HK$5,025 HKD
Retailer 9HK$5,191 HKD
Retailer 5HK$5,215 HKD
Retailer 2HK$6,559 HKD
Retailer 6HK$7,493 HKD

34 data points across 9 retailers

17 retailersHK$2,331 HKD to HK$6,559 HKD

A
Cheapest Retailer
-
HK$2,331 HKD
₹28,299 INR
B+
Retailer 2
-
HK$3,240 HKD
$413 USD
View
B+
Retailer 3
-
HK$3,334 HKD
$425 USD
View
Retailer 4
-
HK$3,491 HKD
$445 USD
View
Price last confirmed 16 days ago
Retailer 5
-
HK$3,491 HKD
$445 USD
View
Price last confirmed 17 days ago
Retailer 6
-
HK$3,742 HKD
$477 USD
View
Price last confirmed 23 days ago
B+
Retailer 7
-
HK$4,010 HKD
£402 GBP
View
B
Retailer 8
-
HK$4,268 HKD
$544 USD
View
B
Retailer 9
-
HK$4,633 HKD
$591 USD
View
B
Retailer 10
-
HK$4,904 HKD
$625 USD
View
B
Retailer 11
-
HK$5,025 HKD
ZAR 10,346 ZAR
View
Retailer 12
-
HK$5,191 HKD
A$1,018 AUD
View
Price last confirmed 29 days ago
B
Retailer 13
-
HK$5,215 HKD
€633 EUR
View
B
Retailer 14
-
HK$6,559 HKD
£658 GBP
View
Retailer 15
-
HK$7,493 HKD
£752 GBP
View
Price last confirmed 8 days ago
Retailer 16
-
HK$12,420 HKD
$1,583 USD
View
Price under review
Most Expensive
NZ Jewellers
db792299-700d-4088-8eff-09b2811b1652 · Oct 17
HK$12,420 HKD
$1,583 USD
View
Price under review
16 more retailers have this diamond
Prices start from HK$2,331 HKDSave up to HK$4,227 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
0.40ct Cushion
HK$2,331 HKD