Cushion|Natural|GIA

0.80ct D SI1 Cushion Natural Diamond

ID • D/SI1 • GIA 6545253341

Certificate GIA 6545253341

Diamond specifications and retailer prices

From $666 USD
HK$5,200 HKD
As of October 29, 2026
Save $1,008 USD (60%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,674 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 6545253341. Listed at 13 retailers as of October 29, 2026, with prices from $666 to $1,674, a $1,008 spread on the same certified stone. MOH London lists it at $1,674. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6545253341
Dimensions5.19 × 5.15 × 3.47 mm
L/W Ratio1.01
Top View
5.19 mm5.15 mm0.80 ctD / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6545253341
Side View
Table 61.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 67.3%

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 29
Current: $1,674 USD|Low: $642 USD|High: $1,685 USD|Avg: $1,004 USD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 7$666 USD
Retailer 2$676 USD
Retailer 5$706 USD
Retailer 3$823 USD
Retailer 8$995 USD
Retailer 4$1,055 USD
Retailer 6$1,367 USD
MOH London$1,674 USD

40 data points across 8 retailers

13 retailers$666 USD to $1,674 USD

A
Cheapest Retailer
-
$666 USD
HK$5,200 HKD
A
Retailer 2
-
$676 USD
₹64,385 INR
View
A
Retailer 3
-
$706 USD
View
Final sale: no returns
A
Retailer 4
-
$823 USD
€784 EUR
View
A
Retailer 5
-
$840 USD
View
A
Retailer 6
-
$941 USD
SGD 1,272 SGD
View
A
Retailer 7
-
$995 USD
View
A
Retailer 8
-
$1,051 USD
View
A
Retailer 9
-
$1,055 USD
View
A
Retailer 10
-
$1,156 USD
A$1,778 AUD
View
A
Retailer 11
-
$1,246 USD
View
A
Retailer 12
-
$1,367 USD
A$2,104 AUD
View
Price last confirmed 25 days ago
Most Expensive
B+
MOH London
C3C6DA488 · Oct 29
$1,674 USD
£1,318 GBP
View
12 more retailers have this diamond
Prices start from $666 USDSave up to $1,008 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
$666 USD