Cushion|Natural|GIA

1.40ct H SI2 Cushion Natural Diamond

EX • H/SI2 • GIA 6451916211

Certificate GIA 6451916211

Diamond specifications and retailer prices

From $9,254 NZD
As of November 1, 2026
Save $3,490 NZD (27%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $17,256 NZD at MOH London · As of November 2, 2026
View at MOH London

About this 1.4ct natural cushion diamond

This 1.4ct natural cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded H 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 6451916211. Listed at 9 retailers as of November 1, 2026, with a 38% 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

1.40
Carat
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6451916211
Dimensions6.69 × 6.69 × 4.23 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Top View
6.69 mm6.69 mm1.40 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6451916211
Side View
Table 65.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 63.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $17,256 NZD|Low: $9,281 NZD|High: $17,464 NZD|Avg: $11,723 NZD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 4, 2026
Retailer 4$9,281 NZD
Retailer 8$9,324 NZD
Retailer 6$9,877 NZD
Retailer 5$10,611 NZD
Retailer 2$11,123 NZD
Retailer 3$12,745 NZD
Retailer 7$12,912 NZD
MOH London$17,256 NZD

42 data points across 8 retailers

9 retailers$9,254 NZD to $12,745 NZD

B
Cheapest Retailer
-
$9,254 NZD
B
Retailer 2
-
$9,281 NZD
View
B
Retailer 3
-
$9,877 NZD
View
B
Retailer 4
-
$10,467 NZD
View
B
Retailer 5
-
$10,611 NZD
View
B
Retailer 6
-
$11,123 NZD
View
B
Retailer 7
-
$12,745 NZD
View
Retailer 8
-
$12,912 NZD
View
Price last confirmed 12 days ago
Most Expensive
MOH London
53ED16822 · Nov 2
$17,256 NZD
£7,642 GBP
View
Price under review
8 more retailers have this diamond
Prices start from $9,254 NZDSave up to $3,490 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.

B
1.40ct Cushion
$9,254 NZD