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Cushion|Natural|GIA

1.05ct D SI1 Cushion Natural Diamond

ID • D/SI1 • GIA 1242087047

Certificate GIA 1242087047

Diamond specifications and retailer prices

From $2,612 NZD
HK$11,500 HKD
As of November 1, 2026
Save $3,725 NZD (59%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $6,336 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 1.05ct natural cushion diamond

This 1.05ct natural cushion sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1242087047. Listed at 17 retailers as of November 1, 2026, with prices from $2,612 to $6,336, a $3,725 spread on the same certified stone. MOH London lists it at $6,336. 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

1.05
Carat
D
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1242087047
Dimensions5.70 × 5.63 × 3.85 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
5.70 mm5.63 mm1.05 ctD / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1242087047
Side View
Table 63.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 68.3%

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: $6,336 NZD|Low: $2,612 NZD|High: $7,062 NZD|Avg: $3,984 NZD|-10.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 2, 2026
Retailer 14$2,612 NZD
Retailer 9$2,963 NZD
Retailer 16$3,195 NZD
Retailer 12$3,375 NZD
Retailer 10$3,398 NZD
Retailer 4$3,407 NZD
Retailer 5$3,472 NZD
Retailer 15$3,528 NZD
Retailer 11$3,595 NZD
Retailer 8$3,668 NZD
Retailer 2$3,808 NZD
Retailer 7$3,838 NZD
Retailer 13$4,152 NZD
Retailer 3$4,486 NZD
Retailer 17$4,984 NZD
Retailer 6$5,656 NZD
MOH London$6,336 NZD

18 data points across 17 retailers

17 retailers$2,612 NZD to $6,336 NZD

A
Cheapest Retailer
-
$2,612 NZD
HK$11,500 HKD
Retailer 2
-
$2,963 NZD
$1,670 USD
View
Price last confirmed 11 days ago
A
Retailer 3
-
$3,195 NZD
€1,715 EUR
View
A
Retailer 4
-
$3,375 NZD
$1,902 USD
View
A
Retailer 5
-
$3,398 NZD
$1,915 USD
View
Final sale: no returns
A
Retailer 6
-
$3,407 NZD
$1,920 USD
View
A
Retailer 7
-
$3,472 NZD
$1,957 USD
View
A
Retailer 8
-
$3,528 NZD
£1,566 GBP
View
A
Retailer 9
-
$3,595 NZD
£1,595 GBP
View
A
Retailer 10
-
$3,668 NZD
SGD 2,794 SGD
View
A
Retailer 11
-
$3,808 NZD
$2,146 USD
View
A
Retailer 12
-
$3,838 NZD
$2,163 USD
View
A
Retailer 13
-
$4,152 NZD
$2,340 USD
View
A
Retailer 14
-
$4,486 NZD
ZAR 40,843 ZAR
View
B+
Retailer 15
-
$4,984 NZD
€2,675 EUR
View
B+
Retailer 16
-
$5,656 NZD
$3,188 USD
View
Most Expensive
B+
MOH London
CECF82447 · Nov 1
$6,336 NZD
£2,812 GBP
View
16 more retailers have this diamond
Prices start from $2,612 NZDSave up to $3,725 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
1.05ct Cushion
$2,612 NZD