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Cushion|Natural|GIA

0.51ct G SI1 Cushion Natural Diamond

VG • G/SI1 • GIA 1182022177

Certificate GIA 1182022177

Diamond specifications and retailer prices

From $1,387 NZD
As of November 4, 2026
Save $1,648 NZD (54%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,036 NZD at MOH London · As of November 4, 2026
View at MOH London

About this 0.51ct natural cushion diamond

This 0.51ct natural cushion sits in the half to three-quarter carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 1182022177. Listed at 14 retailers as of November 4, 2026, with prices from $1,387 to $3,036, a $1,648 spread on the same certified stone. MOH London lists it at $3,036. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.51
Carat
G
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1182022177
Dimensions4.90 × 4.33 × 2.92 mm
L/W Ratio1.13
Top View
4.90 mm4.33 mm0.51 ctG / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 1182022177
Side View
Table 55.0%CrownGirdle: ThickPavilionCulet: NoneDepth 67.5%

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: $3,036 NZD|Low: $1,387 NZD|High: $3,077 NZD|Avg: $2,068 NZD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 7$1,387 NZD
Retailer 5$1,488 NZD
Retailer 8$1,488 NZD
Retailer 6$1,678 NZD
Retailer 3$1,921 NZD
Retailer 4$2,033 NZD
Retailer 9$2,495 NZD
Retailer 2$2,562 NZD
MOH London$3,036 NZD

41 data points across 9 retailers

14 retailers$1,387 NZD to $3,036 NZD

B+
Cheapest Retailer
-
$1,387 NZD
Final sale: no returns
B+
Retailer 2
-
$1,488 NZD
View
Retailer 3
-
$1,488 NZD
View
Price last confirmed 19 days ago
B
Retailer 4
-
$1,488 NZD
View
B
Retailer 5
-
$1,678 NZD
View
B
Retailer 6
-
$1,714 NZD
View
B
Retailer 7
-
$1,840 NZD
View
B
Retailer 8
-
$1,840 NZD
View
B
Retailer 9
-
$1,912 NZD
View
B
Retailer 10
-
$1,921 NZD
View
B
Retailer 11
-
$2,033 NZD
View
Retailer 12
-
$2,495 NZD
View
Price last confirmed 33 days ago
B
Retailer 13
-
$2,562 NZD
View
Most Expensive
B
MOH London
EEA28D4CE · Nov 4
$3,036 NZD
£1,325 GBP
View
13 more retailers have this diamond
Prices start from $1,387 NZDSave up to $1,648 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+
0.51ct Cushion
$1,387 NZD