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Cushion|Natural|GIA

1.51ct G SI1 Cushion Natural Diamond

VG • G/SI1 • GIA 1318328824

Certificate GIA 1318328824

Diamond specifications and retailer prices

From $14,913 NZD
$8,391 USD
As of November 2, 2026
Save $11,568 NZD (44%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $26,481 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 1.51ct natural cushion diamond

This 1.51ct natural cushion sits in the one-and-a-half to two 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 1318328824. Listed at 21 retailers as of November 1, 2026, with prices from $14,913 to $26,481, a $11,568 spread on the same certified stone. MOH London lists it at $26,481. 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

1.51
Carat
G
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1318328824
Dimensions7.07 × 6.26 × 4.33 mm
L/W Ratio1.13
Top View
7.07 mm6.26 mm1.51 ctG / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1318328824
Side View
Table 66.0%CrownGirdle: MED-MEDPavilionCulet: NoneDepth 69.1%

Caratlytics Score

How it works →
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 2
Current: $26,481 NZD|Low: $14,130 NZD|High: $26,802 NZD|Avg: $19,197 NZD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 10$14,913 NZD
Retailer 6$15,098 NZD
Retailer 7$16,955 NZD
Retailer 8$16,955 NZD
Retailer 3$18,562 NZD
Retailer 5$18,656 NZD
Retailer 9$18,854 NZD
Retailer 2$20,362 NZD
Retailer 4$24,910 NZD
MOH London$26,481 NZD

44 data points across 10 retailers

21 retailers$14,913 NZD to $26,481 NZD

B
Cheapest Retailer
-
$14,913 NZD
$8,391 USD
B
Retailer 2
-
$15,098 NZD
$8,495 USD
View
B
Retailer 3
-
$15,688 NZD
$8,827 USD
View
B
Retailer 4
-
$15,733 NZD
$8,852 USD
View
B
Retailer 5
-
$16,142 NZD
$9,083 USD
View
B
Retailer 6
-
$16,312 NZD
CA$12,747 CAD
View
B
Retailer 7
-
$16,795 NZD
$9,450 USD
View
B
Retailer 8
-
$16,955 NZD
$9,540 USD
View
Final sale: no returns
B
Retailer 9
-
$16,955 NZD
$9,540 USD
View
B
Retailer 10
-
$17,252 NZD
$9,707 USD
View
B
Retailer 11
-
$18,562 NZD
£8,224 GBP
View
Retailer 12
-
$18,656 NZD
A$16,149 AUD
View
Price last confirmed 9 days ago
B
Retailer 13
-
$18,854 NZD
$10,608 USD
View
B
Retailer 14
-
$19,554 NZD
$11,002 USD
View
B
Retailer 15
-
$19,924 NZD
$11,210 USD
View
B
Retailer 16
-
$19,924 NZD
$11,210 USD
View
B
Retailer 17
-
$20,362 NZD
€10,911 EUR
View
B
Retailer 18
-
$20,581 NZD
$11,580 USD
View
Retailer 19
-
$22,312 NZD
$12,554 USD
View
Price last confirmed 10 days ago
B
Retailer 20
-
$24,910 NZD
ZAR 226,428 ZAR
View
Most Expensive
B
MOH London
D51304D46 · Nov 1
$26,481 NZD
£11,732 GBP
View
20 more retailers have this diamond
Prices start from $14,913 NZDSave up to $11,568 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
1.51ct Cushion
$14,913 NZD