CaratHunter
Plans
Cushion|Natural|GIA

4.50ct K SI2 Cushion Natural Diamond

EX • K/SI2 • GIA 6233821676

Certificate GIA 6233821676

Diamond specifications and retailer prices

From $71,151 NZD
As of November 6, 2026
Save $17,734 NZD (20%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $88,885 NZD at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

About this 4.5ct natural cushion diamond

This 4.5ct natural cushion sits in the three to five carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6233821676. Listed at 6 retailers as of November 6, 2026, with prices from $71,151 to $88,885, a $17,734 spread on the same certified stone. 77 Diamonds lists it at $88,885. 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

4.50
Carat
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6233821676
Dimensions11.52 × 8.75 × 5.58 mm
L/W Ratio1.32
Top View
11.52 mm8.75 mm4.50 ctK / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6233821676
Side View
Table 62.0%CrownGirdle: THK-XTKPavilionCulet: NoneDepth 63.8%

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 6
Current: $88,885 NZD|Low: $71,151 NZD|High: $90,680 NZD|Avg: $78,673 NZD|+0.5%
77 Diamonds
Retailer 2
Retailer 3
November 6, 2026
Retailer 3$71,151 NZD
Retailer 2$73,830 NZD
77 Diamonds$88,885 NZD

45 data points across 3 retailers

6 retailers$71,151 NZD to $88,885 NZD

A
Cheapest Retailer
-
$71,151 NZD
A
Retailer 2
-
$73,830 NZD
View
B+
Retailer 3
-
$75,390 NZD
View
B+
Retailer 4
-
$76,456 NZD
View
B+
Retailer 5
-
$77,165 NZD
View
Most Expensive
B
77 Diamonds
CUSMBUYEU8PMX · Nov 6
$88,885 NZD
£38,798 GBP
View
5 more retailers have this diamond
Prices start from $71,151 NZDSave up to $17,734 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
4.50ct Cushion
$71,151 NZD