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Cushion|Natural|GIA

1.20ct G SI1 Cushion Natural Diamond

EX • G/SI1 • GIA 5231876887

Certificate GIA 5231876887

Diamond specifications and retailer prices

From $5,774 NZD
As of November 4, 2026
Save $3,393 NZD (37%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $12,577 NZD at MOH London · As of October 26, 2026
View at MOH London

About this 1.2ct natural cushion diamond

This 1.2ct natural cushion sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5231876887. Listed at 19 retailers as of November 4, 2026, with a 59% 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

1.20
Carat
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Pavilion angle37.54°
OriginNatural
Grading LabGIA
CertificateGIA 5231876887
Dimensions7.01 × 5.65 × 3.89 mm
L/W Ratio1.24
Top View
7.01 mm5.65 mm1.20 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 5231876887
Side View
Table 65.0%CrownGirdle: STK-VTKPavilion 37.54°Culet: NoneDepth 68.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $12,577 NZD|Low: $5,756 NZD|High: $12,712 NZD|Avg: $7,971 NZD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 7, 2026
Retailer 9$5,781 NZD
Retailer 3$6,220 NZD
Retailer 6$6,391 NZD
Retailer 8$6,804 NZD
Retailer 2$7,627 NZD
Retailer 7$8,053 NZD
Retailer 4$8,372 NZD
Retailer 5$9,167 NZD
MOH London$12,577 NZD

46 data points across 9 retailers

19 retailers$5,774 NZD to $9,167 NZD

B+
Cheapest Retailer
-
$5,774 NZD
B+
Retailer 2
-
$5,781 NZD
View
B+
Retailer 3
-
$5,919 NZD
View
B+
Retailer 4
-
$6,039 NZD
View
B+
Retailer 5
-
$6,220 NZD
View
Final sale: no returns
B
Retailer 6
-
$6,391 NZD
View
B+
Retailer 7
-
$6,512 NZD
View
B+
Retailer 8
-
$6,799 NZD
View
Retailer 9
-
$6,804 NZD
View
Price last confirmed 9 days ago
B
Retailer 10
-
$7,143 NZD
View
B
Retailer 11
-
$7,558 NZD
View
B
Retailer 12
-
$7,558 NZD
View
B
Retailer 13
-
$7,627 NZD
View
B
Retailer 14
-
$7,811 NZD
View
Retailer 15
-
$8,053 NZD
View
Price last confirmed 34 days ago
B
Retailer 16
-
$8,372 NZD
View
Retailer 17
-
$8,498 NZD
View
Price last confirmed 15 days ago
B
Retailer 18
-
$9,167 NZD
View
Most Expensive
MOH London
054AE1C01 · Oct 26
$12,577 NZD
£5,490 GBP
View
Price last confirmed 11 days ago
18 more retailers have this diamond
Prices start from $5,774 NZDSave up to $3,393 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+
1.20ct Cushion
$5,774 NZD