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Cushion|Natural|GIA

1.21ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 7191728315

Certificate GIA 7191728315

Diamond specifications and retailer prices

From $5,026 NZD
As of November 4, 2026
Save $5,861 NZD (54%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $10,887 NZD at MOH London · As of November 7, 2026
View at MOH London

About this 1.21ct natural cushion diamond

This 1.21ct natural cushion sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7191728315. Listed at 15 retailers as of November 4, 2026, with prices from $5,026 to $10,887, a $5,861 spread on the same certified stone. MOH London lists it at $10,887. 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

1.21
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7191728315
Dimensions6.72 × 5.63 × 3.86 mm
L/W Ratio1.19
Top View
6.72 mm5.63 mm1.21 ctK / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 7191728315
Side View
Table 61.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 68.6%

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 4
Current: $10,887 NZD|Low: $5,101 NZD|High: $11,077 NZD|Avg: $6,963 NZD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 7, 2026
Retailer 8$5,101 NZD
Retailer 5$5,159 NZD
Retailer 7$5,929 NZD
Retailer 6$6,366 NZD
Retailer 2$6,772 NZD
Retailer 3$7,189 NZD
Retailer 4$7,988 NZD
MOH London$10,887 NZD

45 data points across 8 retailers

15 retailers$5,026 NZD to $10,887 NZD

B
Cheapest Retailer
-
$5,026 NZD
B
Retailer 2
-
$5,101 NZD
View
B
Retailer 3
-
$5,159 NZD
View
B
Retailer 4
-
$5,242 NZD
View
B
Retailer 5
-
$5,262 NZD
View
B
Retailer 6
-
$5,619 NZD
View
B
Retailer 7
-
$5,736 NZD
View
Retailer 8
-
$5,929 NZD
View
Price last confirmed 9 days ago
B
Retailer 9
-
$6,366 NZD
View
B
Retailer 10
-
$6,444 NZD
View
B
Retailer 11
-
$6,772 NZD
View
B
Retailer 12
-
$7,189 NZD
View
Retailer 13
-
$7,412 NZD
View
Price last confirmed 15 days ago
B
Retailer 14
-
$7,988 NZD
View
Most Expensive
B
MOH London
7F28ECEFC · Nov 7
$10,887 NZD
£4,752 GBP
View
14 more retailers have this diamond
Prices start from $5,026 NZDSave up to $5,861 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
1.21ct Cushion
$5,026 NZD