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Cushion|Natural|GIA

5.02ct G SI1 Cushion Natural Diamond

ID • G/SI1 • GIA 101

Certificate GIA 101

Diamond specifications and retailer prices

From $148,046 NZD
$83,298 USD
As of November 2, 2026
Save $30,141 NZD (17%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $178,187 NZD at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 5.02ct natural cushion diamond

This 5.02ct natural cushion sits in the over five 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. Listed at 4 retailers as of October 31, 2026, with prices from $148,046 to $178,187, a $30,141 spread on the same certified stone. Blue Nile lists it at $178,187. 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

5.02
Carat
G
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 101
Dimensions10.40 × 9.67 × 6.38 mm
L/W Ratio1.08
Top View
10.40 mm9.67 mm5.02 ctG / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 101
Side View
Table 66.0%CrownGirdle: Slightly Thick to Very ThickPavilionCulet: NDepth 66.0%

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 2
Current: $178,187 NZD|Low: $148,046 NZD|High: $204,899 NZD|Avg: $178,101 NZD|-3.5%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
October 30, 2026
Retailer 2$148,046 NZD
Retailer 3$167,427 NZD
Blue Nile$178,187 NZD
Retailer 4$204,899 NZD

16 data points across 4 retailers

4 retailers$148,046 NZD to $178,187 NZD

A
Cheapest Retailer
-
$148,046 NZD
$83,298 USD
Retailer 2
-
$159,266 NZD
$89,611 USD
View
Price last confirmed 7 days ago
B+
Retailer 3
-
$167,427 NZD
$94,203 USD
View
Most Expensive
B
Blue Nile
30081550 · Oct 31
$178,187 NZD
$100,257 USD
View
3 more retailers have this diamond
Prices start from $148,046 NZDSave up to $30,141 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
5.02ct Cushion
$148,046 NZD