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Cushion|Natural|GIA

1.00ct G SI2 Cushion Natural Diamond

ID • G/SI2 • GIA 6382604401

Certificate GIA 6382604401

Diamond specifications and retailer prices

From $3,646 NZD
As of November 5, 2026
Save $4,138 NZD (53%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $8,511 NZD at Queensmith · As of October 28, 2026
View at Queensmith

About this 1ct natural cushion diamond

This 1ct natural cushion sits in the classic one-carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6382604401. Listed at 15 retailers as of November 4, 2026, with a 114% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.00
Carat
G
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6382604401
Dimensions5.83 × 5.42 × 3.67 mm
L/W Ratio1.08
Top View
5.83 mm5.42 mm1.00 ctG / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6382604401
Side View
Table 62.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 67.7%

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 5
Current: $8,511 NZD|Low: $3,725 NZD|High: $8,545 NZD|Avg: $5,535 NZD|+2.8%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 7$3,725 NZD
Retailer 6$3,936 NZD
Retailer 8$4,037 NZD
Retailer 2$4,380 NZD
Retailer 4$4,714 NZD
Retailer 3$5,533 NZD
Retailer 5$7,784 NZD
Queensmith$8,511 NZD

40 data points across 8 retailers

15 retailers$3,646 NZD to $7,784 NZD

A
Cheapest Retailer
-
$3,646 NZD
A
Retailer 2
-
$3,725 NZD
View
Final sale: no returns
B+
Retailer 3
-
$3,893 NZD
View
B+
Retailer 4
-
$3,936 NZD
View
Retailer 5
-
$4,037 NZD
View
Price last confirmed 30 days ago
B+
Retailer 6
-
$4,131 NZD
View
B+
Retailer 7
-
$4,245 NZD
View
B+
Retailer 8
-
$4,380 NZD
View
B+
Retailer 9
-
$4,492 NZD
View
B+
Retailer 10
-
$4,492 NZD
View
B+
Retailer 11
-
$4,636 NZD
View
B+
Retailer 12
-
$4,714 NZD
View
B+
Retailer 13
-
$5,533 NZD
View
B
Retailer 14
-
$7,784 NZD
View
Most Expensive
Queensmith
6382604401 · Oct 28
$8,511 NZD
£3,715 GBP
View
Price last confirmed 9 days ago
14 more retailers have this diamond
Prices start from $3,646 NZDSave up to $4,138 NZD

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
1.00ct Cushion
$3,646 NZD