Cushion|Natural|GIA

0.80ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 1408820623

Certificate GIA 1408820623

Diamond specifications and retailer prices

From $1,335 USD
As of October 30, 2026
Save $1,580 USD (54%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,915 USD at MOH London · As of October 29, 2026
View at MOH London

About this 0.8ct natural cushion diamond

This 0.8ct natural cushion sits in the just-under-one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1408820623. Listed at 10 retailers as of October 29, 2026, with prices from $1,335 to $2,915, a $1,580 spread on the same certified stone. MOH London lists it at $2,915. 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

0.80
Carat
D
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1408820623
Dimensions5.58 × 5.01 × 3.46 mm
L/W Ratio1.11
Top View
5.58 mm5.01 mm0.80 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1408820623
Side View
Table 61.0%CrownGirdle: Sli. ThickPavilionCulet: NoneDepth 69.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $2,915 USD|Low: $1,214 USD|High: $2,934 USD|Avg: $2,050 USD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 7$1,335 USD
Retailer 5$1,695 USD
Retailer 8$1,765 USD
Retailer 2$1,831 USD
Retailer 6$2,212 USD
Retailer 3$2,312 USD
Retailer 4$2,501 USD
MOH London$2,915 USD

44 data points across 8 retailers

10 retailers$1,335 USD to $2,915 USD

A
Cheapest Retailer
-
$1,335 USD
Final sale: no returns
B+
Retailer 2
-
$1,515 USD
View
B+
Retailer 3
-
$1,695 USD
View
B+
Retailer 4
-
$1,765 USD
View
B+
Retailer 5
-
$1,831 USD
£1,441 GBP
View
B+
Retailer 6
-
$1,832 USD
View
Retailer 7
-
$2,212 USD
A$3,403 AUD
View
Price last confirmed 24 days ago
B+
Retailer 8
-
$2,312 USD
€2,202 EUR
View
B
Retailer 9
-
$2,501 USD
ZAR 40,406 ZAR
View
Most Expensive
B
MOH London
9CD2311BC · Oct 29
$2,915 USD
£2,295 GBP
View
9 more retailers have this diamond
Prices start from $1,335 USDSave up to $1,580 USD

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
0.80ct Cushion
$1,335 USD